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On Some Cauchy Problems and Positive Linear Operators
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2024
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Ulrich Abel
Ana Maria Acu
Margareta Heilmann
Ioan Raşa
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Commutativity and spectral properties for a general class of Szász–Mirakjan–Durrmeyer operators
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2024
|
Ulrich Abel
Ana Maria Acu
Margareta Heilmann
Ioan Raşa
|
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+
PDF
Chat
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Commutativity and spectral properties for a general class of
Szasz-Mirakjan-Durrmeyer operators
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2024
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Ulrich Abel
Ana Maria Acu
Margareta Heilmann
Ioan Raşa
|
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+
PDF
Chat
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Asymptotic properties for a general class of Szasz-Mirakjan-Durrmeyer
operators
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2024
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Ulrich Abel
Ana Maria Acu
Margareta Heilmann
Ioan Raşa
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Asymptotic expansions for variants of the gamma and Post–Widder operators preserving 1 and xj$$ {x}^j $$
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2024
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Ulrich Abel
Ana Maria Acu
Margareta Heilmann
Ioan Raşa
|
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+
PDF
Chat
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Bernstein–Kantorovich operators, approximation and shape preserving properties
|
2024
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Ana Maria Acu
Ioan Raşa
Ancuţa Emilia Şteopoaie
|
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PDF
Chat
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Steklov Type Operators and Functional Equations
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2024
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Gabriela Motronea
Dorian Popa
Ioan Raşa
|
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+
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Explicit upper bounds for Touchard polynomials and Bell numbers
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2024
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Ana Maria Acu
José A. Adell
Ioan Raşa
|
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+
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Aldaz-Kounchev-Render operators on simplices
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2024
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Ana Maria Acu
Stefano De Marchı
Ioan Raşa
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+
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Composition of some positive linear integral operators
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2024
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Ana Maria Acu
Ioan Raşa
Florin Sofonea
|
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PDF
Chat
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Bernstein polynomials and dual functionals
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2023
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Ana Maria Acu
Gabriela Motronea
Ioan Raşa
|
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+
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Voronovskaja formula for Aldaz–Kounchev–Render operators: uniform convergence
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2023
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Ulrich Abel
Ana Maria Acu
Margareta Heilmann
Ioan Raşa
|
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Genuine Bernstein–Durrmeyer type operators preserving 1 and $$x^j$$
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2023
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Ulrich Abel
Ana Maria Acu
Margareta Heilmann
Ioan Raşa
|
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Poisson approximation to the binomial distribution: extensions to the convergence of positive operators
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2023
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Ana Maria Acu
Margareta Heilmann
Ioan Raşa
Andra Seserman
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Remarks on a Lemma of Schmidt
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2023
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Horst Alzer
Man Kam Kwong
Ioan Raşa
|
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Rates of convergence for Jakimovski–Leviatan operators in terms of the Ditzian–Totik modulus
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2023
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Ana Maria Acu
José A. Adell
Ioan Raşa
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On the Modification of Mellin Convolution Operator and Its Associated Information Potential
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2023
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Fırat Özsaraç
Ana Maria Acu
Ali Aral
Ioan Raşa
|
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Convergence of Linking Durrmeyer-Type Modifications of Generalized Baskakov Operators
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2023
|
Ana Maria Acu
Margareta Heilmann
Ioan Raşa
Andra Seserman
|
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PDF
Chat
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Composition and Decomposition of Positive Linear Operators (VIII)
|
2023
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Ana Maria Acu
Ioan Raşa
Andra Seserman
|
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PDF
Chat
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Some Functionals and Approximation Operators Associated with a Family of Discrete Probability Distributions
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2023
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Ana Maria Acu
Ioan Raşa
H. M. Srivastava
|
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Some results for the inverse of a Bernstein–Schnabl type operator
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2023
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Ana Maria Acu
Margareta Heilmann
Ioan Raşa
|
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+
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An asymptotic formula for Aldaz-Kounchev-Render operators on the hypercube
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2023
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Ana Maria Acu
Ioan Raşa
|
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+
PDF
Chat
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Remarks on q-Monotone Functions and the Bernstein polynomials
|
2022
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Ulrich Abel
D. Leviatan
Ioan Raşa
|
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+
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A Discrete Probability Distribution and Some Applications
|
2022
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Ana Maria Acu
Ioan Raşa
|
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+
PDF
Chat
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Aldaz–Kounchev–Render Operators and Their Approximation Properties
|
2022
|
Ana Maria Acu
Stefano De Marchı
Ioan Raşa
|
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+
PDF
Chat
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Positive linear operators and exponential functions
|
2022
|
Ana Maria Acu
Ioan Raşa
Andra Seserman
|
|
+
PDF
Chat
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Relations Between the Bernstein Polynomials and q-monotone Functions
|
2022
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Ulrich Abel
D. Leviatan
Ioan Raşa
|
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+
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New properties of operators preserving exponentials
|
2022
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Ana Maria Acu
Ali̇ Aral
Ioan Raşa
|
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+
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Generalized Subharmonic and Weakly Convex Functions
|
2022
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Ana Maria Acu
Ioan Raşa
|
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+
PDF
Chat
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Convergence of Special Sequences of Semi-Exponential Operators
|
2022
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Ana Maria Acu
Vijay Gupta
Ioan Raşa
Florin Sofonea
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PDF
Chat
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A Voronovskaja type formula for Soardi’s operators
|
2022
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Ulrich Abel
Ioan Raşa
|
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+
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Functional equations related to Appell polynomials and Heun functions
|
2022
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Ana Maria Acu
Ioan Raşa
|
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+
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Nonlinear algebraic systems with positive coefficients and positive solutions
|
2022
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Ana Maria Acu
Ioan Raşa
|
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+
PDF
Chat
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Algebraic Systems with Positive Coefficients and Positive Solutions
|
2022
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Ana Maria Acu
Ioan Raşa
Ancuţa Emilia Şteopoaie
|
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+
PDF
Chat
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Generalized Kantorovich modifications of positive linear operators
|
2022
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Ana Maria Acu
Ioan Cristian Buşcu
Ioan Raşa
|
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+
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Aldaz-Kounchev-Render operators and their approximation properties
|
2022
|
Ana Maria Acu
Stefano De Marchi
Ioan Raşa
|
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+
PDF
Chat
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A Bernstein-Schnabl type operator: Applications to difference equations
|
2022
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Ana Maria Acu
Mădălina Dancs
Margareta Heilmann
Vlad Paşca
Ioan Raşa
|
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+
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Poisson approximation to the binomial distribution: extensions to the convergence of positive operators
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2022
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Ana Maria Acu
Margareta Heilmann
Ioan Raşa
Andra Seserman
|
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+
PDF
Chat
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Generalized Bernstein Kantorovich operators: Voronovskaya type results, convergence in variation
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2021
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Ana Maria Acu
Ali̇ Aral
Ioan Raşa
|
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+
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Voronovskaya type results for special sequences of operators
|
2021
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Ana Maria Acu
Mădălina Dancs
Margareta Heilmann
Vlad Paşca
Ioan Raşa
|
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+
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Iterates and Invariant Measures for Markov Operators
|
2021
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Ana Maria Acu
Ioan Raşa
|
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+
PDF
Chat
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Modified Operators Interpolating at Endpoints
|
2021
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Ana Maria Acu
Ioan Raşa
Rekha Srivastava
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+
PDF
Chat
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Voronovskaja-Type Quantitative Results for Differences of Positive Linear Operators
|
2021
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Ana Maria Acu
Gülen Başcanbaz‐Tunca
Ioan Raşa
|
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PDF
Chat
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VORONOVSKAYA TYPE RESULTS AND OPERATORS FIXING TWO FUNCTIONS
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2021
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Ana Maria Acu
Alexandra-Ioana Măduţa
Ioan Raşa
|
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PDF
Chat
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On the q-Monotonicity Preservation of Durrmeyer-Type Operators
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2021
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Ulrich Abel
D. Leviatan
Ioan Raşa
|
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Eigenstructure and iterates for uniquely ergodic Kantorovich modifications of operators II
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2021
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Ana Maria Acu
Margareta Heilmann
Ioan Raşa
|
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+
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A sequence of Appell polynomials and the associated Jakimovski–Leviatan operators
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2021
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Ana Maria Acu
Ioan Cristian Buşcu
Ioan Raşa
|
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PDF
Chat
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Differences of Positive Linear Operators on Simplices
|
2021
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Ana Maria Acu
Gülen Başcanbaz‐Tunca
Ioan Raşa
|
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+
PDF
Chat
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On the composition and decomposition of positive linear operators (VII)
|
2021
|
Ana Maria Acu
Ioan Raşa
|
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+
PDF
Chat
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Strong Converse Results for Linking Operators and Convex Functions
|
2020
|
Ana Maria Acu
Margareta Heilmann
Ioan Raşa
|
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+
PDF
Chat
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Inequalities for Information Potentials and Entropies
|
2020
|
Ana Maria Acu
Alexandra Măduţa
Diana Otrocol
Ioan Raşa
|
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+
PDF
Chat
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Elementary hypergeometric functions, Heun functions, and moments of MKZ operators
|
2020
|
Ana Maria Acu
Ioan Raşa
|
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+
PDF
Chat
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A C0-Semigroup of Ulam Unstable Operators
|
2020
|
Ana Maria Acu
Ioan Raşa
|
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+
PDF
Chat
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Discrete operators associated with linking operators
|
2020
|
Margareta Heilmann
Fadel Nasaireh
Ioan Raşa
|
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+
PDF
Chat
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Ulam Stability of a Second Linear Differential Operator with Nonconstant Coefficients
|
2020
|
Liviu Cădariu
Dorian Popa
Ioan Raşa
|
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+
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Information potential for some probability density functions
|
2020
|
Ana Maria Acu
Gülen Başcanbaz‐Tunca
Ioan Raşa
|
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+
PDF
Chat
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Ulam Stability for the Composition of Operators
|
2020
|
Ana Maria Acu
Ioan Raşa
|
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+
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Iterates of convolution-type operators
|
2020
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Ana Maria Acu
Margareta Heilmann
Ioan Raşa
|
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+
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Iterated Boolean Sums of Bernstein Type Operators
|
2020
|
Tuncer Acar
Ali̇ Aral
Ioan Raşa
|
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+
PDF
Chat
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Estimates for the Differences of Certain Positive Linear Operators
|
2020
|
Ana Maria Acu
Sever Hodiş
Ioan Raşa
|
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+
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Ulam stability of a successive approximation equation
|
2020
|
Alina Ramona Baias
Dorian Popa
Ioan Raşa
|
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+
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Note on a Proof for the Representation of the kth Order Kantorovich Modification of Linking Baskakov Type Operators
|
2020
|
Margareta Heilmann
Ioan Raşa
|
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+
PDF
Chat
|
Multivariate weighted kantorovich operators
|
2020
|
Ana Maria Acu
Laura Hodis
Ioan Raşa
|
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+
PDF
Chat
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Bounds for solutions of linear differential equations and Ulam stability
|
2020
|
F. Blaga
Laura Mesaroş
Dorian Popa
Georgiana Pugna
Ioan Raşa
|
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+
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Hypergeometric functions and moments of operators.
|
2019
|
Ana Maria Acu
Ioan Raşa
|
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+
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Elementary hypergeometric functions, Heun functions, and moments of MKZ operators
|
2019
|
Ana Maria Acu
Ioan Raşa
|
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+
PDF
Chat
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Estimates for the differences of positive linear operators and their derivatives
|
2019
|
Ana Maria Acu
Ioan Raşa
|
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+
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Extrapolation Properties of Multivariate Bernstein Polynomials
|
2019
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Michele Campıtı
Ioan Raşa
|
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+
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Convexity Properties of Some Entropies (II)
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2019
|
Ioan Raşa
|
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+
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On approximation by some Bernstein–Kantorovich exponential-type polynomials
|
2019
|
Ali̇ Aral
Diana Otrocol
Ioan Raşa
|
|
+
PDF
Chat
|
Positive Linear Operators Preserving $\tau $ and $\tau ^{2}$
|
2019
|
Tuncer Acar
Ali̇ Aral
Ioan Raşa
|
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+
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Power Series of Positive Linear Operators
|
2019
|
Tuncer Acar
Ali̇ Aral
Ioan Raşa
|
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+
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Inequalities for indices of coincidence and entropies
|
2019
|
Alexandra Măduţa
Diana Otrocol
Ioan Raşa
|
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+
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Elementary hypergeometric functions, Heun functions, and moments of MKZ operators
|
2019
|
Ana Maria Acu
Ioan Raşa
|
|
+
PDF
Chat
|
A Nice Representation for a Link Between Baskakov- and Szász–Mirakjan–Durrmeyer Operators and Their Kantorovich Variants
|
2018
|
Margareta Heilmann
Ioan Raşa
|
|
+
PDF
Chat
|
A Survey on Estimates for the Differences of Positive Linear Operators
|
2018
|
Ana Maria Acu
Sever Hodiş
Ioan Raşa
|
|
+
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Estimates for the differences of positive linear operators and their derivatives
|
2018
|
Ana Maria Acu
Ioan Raşa
|
|
+
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A Nice Representation for a Link between Baskakov- and Sz\'asz-Mirakjan-Durrmeyer Operators and their Kantorovich Variants
|
2018
|
Margareta Heilmann
Ioan Raşa
|
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+
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Discrete Operators associated with Linking Operators
|
2018
|
Margareta Heilmann
Fadel Nasaireh
Ioan Raşa
|
|
+
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Approximation properties of Szász–Mirakyan operators preserving exponential functions
|
2018
|
Ali̇ Aral
Daniela Inoan
Ioan Raşa
|
|
+
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Convexity Properties of Some Entropies
|
2018
|
Ioan Raşa
|
|
+
PDF
Chat
|
On Ulam stability of the second order linear differential equation
|
2018
|
Dorian Popa
Georgiana Pugna
Ioan Raşa
|
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+
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Approximate solutions of the logistic equation and Ulam stability
|
2018
|
Dorian Popa
Ioan Raşa
Adrian Viorel
|
|
+
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Smoothness and Shape Preserving Properties of Bernstein Semigroup
|
2018
|
Sever Hodiş
Laura Mesaroş
Ioan Raşa
|
|
+
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On differences of linear positive operators
|
2018
|
Ali̇ Aral
Daniela Inoan
Ioan Raşa
|
|
+
PDF
Chat
|
Heun functions related to entropies
|
2018
|
Adina Bărar
Gabriela Mocanu
Ioan Raşa
|
|
+
PDF
Chat
|
Hyers-Ulam stability of the Laplace operator
|
2018
|
Dorian Popa
Ioan Raşa
|
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+
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Bounds for some entropies and special functions
|
2018
|
Adina Bărar
Gabriela Raluca Mocanu
Ioan Raşa
|
|
+
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Heun functions related to entropies
|
2018
|
Adina Bărar
Gabriela Raluca Mocanu
Ioan Raşa
|
|
+
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Heun functions and combinatorial identities
|
2018
|
Adina Bărar
Gabriela Raluca Mocanu
Ioan Raşa
|
|
+
PDF
Chat
|
Another look at Voronovskaja type formulas
|
2018
|
Fadel Nasaireh
Ioan Raşa
|
|
+
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Complements to Voronovskaya’s Formula
|
2018
|
Margareta Heilmann
Fadel Nasaireh
Ioan Raşa
|
|
+
PDF
Chat
|
A sharpening of a problem on Bernstein polynomials and convex functions
|
2018
|
Ulrich Abel
Ioan Raşa
|
|
+
PDF
Chat
|
Bounds for some entropies and special functions
|
2018
|
Adina Bărar
Gabriela Raluca Mocanu
Ioan Raşa
|
|
+
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Estimates for the differences of positive linear operators and their derivatives
|
2018
|
Ana Maria Acu
Ioan Raşa
|
|
+
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A Nice Representation for a Link between Baskakov- and Szász-Mirakjan-Durrmeyer Operators and their Kantorovich Variants
|
2018
|
Margareta Heilmann
Ioan Raşa
|
|
+
|
Discrete Operators associated with Linking Operators
|
2018
|
Margareta Heilmann
Fadel Nasaireh
Ioan Raşa
|
|
+
|
Bounds for some entropies and special functions
|
2018
|
Adina Bărar
Gabriela Raluca Mocanu
Ioan Raşa
|
|
+
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Heun functions related to entropies
|
2018
|
Adina Bărar
Gabriela Raluca Mocanu
Ioan Raşa
|
|
+
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$$C_0$$ C 0 -semigroups associated with uniquely ergodic Kantorovich modifications of operators
|
2017
|
Margareta Heilmann
Ioan Raşa
|
|
+
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Elliptic differential operators and positive semigroups associated with generalized Kantorovich operators
|
2017
|
Francesco Altomare
Mirella Cappellettı Montano
Vita Leonessa
Ioan Raşa
|
|
+
PDF
Chat
|
Bernstein operators of second kind and blending systems
|
2017
|
Daniela Inoan
Fadel Nasaireh
Ioan Raşa
|
|
+
PDF
Chat
|
Systems of nonlinear algebraic equations with positive solutions
|
2017
|
Anca Ciurte
Sergiu Nedevschi
Ioan Raşa
|
|
+
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A sharpening of a problem on Bernstein polynomials and convex functions
|
2017
|
Ulrich Abel
Ioan Raşa
|
|
+
PDF
Chat
|
Convergence properties of nets of operators
|
2017
|
Fadel Nasaireh
Dorian Popa
Ioan Raşa
|
|
+
PDF
Chat
|
A generalization of Kantorovich operators for convex compact subsets
|
2017
|
Francesco Altomare
Mirella Cappellettı Montano
Vita Leonessa
Ioan Raşa
|
|
+
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Hyers–Ulam stability with respect to gauges
|
2017
|
Janusz Brzdęk
Dorian Popa
Ioan Raşa
|
|
+
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Approximation of C0-Semigroups Generated by Differential Operators on the Unit Interval
|
2017
|
Gabriela Mocanu
Ioan Raşa
|
|
+
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Hörmander Representations and Hill Trajectories for Certain Partial Differential Operators
|
2017
|
Gabriela Raluca Mocanu
Ioan Raşa
|
|
+
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A Nice Representation for a Link Between Bernstein-Durrmeyer and Kantorovich Operators
|
2017
|
Margareta Heilmann
Ioan Raşa
|
|
+
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The index of coincidence for the binomial distribution is log-convex
|
2017
|
Ioan Raşa
|
|
+
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Differential Operators and Approximation Processes Generated by Markov Operators
|
2017
|
Francesco Altomare
Mirella Cappellettı Montano
Vita Leonessa
Ioan Raşa
|
|
+
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A sharpening of a problem on Bernstein polynomials and convex functions
|
2017
|
Ulrich Abel
Ioan Raşa
|
|
+
PDF
Chat
|
Complete monotonicity of some entropies
|
2016
|
Ioan Raşa
|
|
+
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Voronovskaya Type Theorems in Weighted Spaces
|
2016
|
Ayşegül Erençin
Ioan Raşa
|
|
+
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On the Composition and Decomposition of Positive Linear Operators (V)
|
2016
|
Heiner Gonska
Ioan Raşa
|
|
+
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Approximation by k-th order modifications of Szász—Mirakyan operators
|
2016
|
Tuncer Acar
Ali̇ Aral
Ioan Raşa
|
|
+
|
Eigenstructure and iterates for uniquely ergodic Kantorovich modifications of operators
|
2016
|
Margareta Heilmann
Ioan Raşa
|
|
+
|
Complete monotonicity of some entropies
|
2016
|
Ioan Raşa
|
|
+
|
New estimates for the differences of positive linear operators
|
2016
|
Ana Maria Acu
Ioan Raşa
|
|
+
|
Best constant in stability of some positive linear operators
|
2016
|
Dorian Popa
Ioan Raşa
|
|
+
PDF
Chat
|
Steklov averages as positive linear operators
|
2016
|
Dorian Popa
Ioan Raşa
|
|
+
PDF
Chat
|
Function Spaces, Approximation Theory, and Their Applications
|
2016
|
Carlo Bardaro
Ioan Raşa
R. L. Stens
Gianluca Vıntı
|
|
+
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On the Best Hyers–Ulam Stability Constants for Some Equations and Operators
|
2016
|
Dorian Popa
Georgiana Pugna
Ioan Raşa
|
|
+
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Complete monotonicity of some entropies
|
2016
|
Ioan Raşa
|
|
+
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Concavity of some entropies
|
2015
|
Ioan Raşa
|
|
+
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Further Results for kth order Kantorovich Modification of Linking Baskakov Type Operators
|
2015
|
Katharina Baumann
Margareta Heilmann
Ioan Raşa
|
|
+
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Entropies and Heun functions associated with positive linear operators
|
2015
|
Ioan Raşa
|
|
+
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The new forms of Voronovskaya’s theorem in weighted spaces
|
2015
|
Tuncer Acar
Ali̇ Aral
Ioan Raşa
|
|
+
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Entropies and the derivatives of some Heun functions
|
2015
|
Ioan Raşa
|
|
+
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C 0-Semigroups Associated with Markov Operators
|
2015
|
Gabriela Mocanu
Ioan Raşa
|
|
+
|
kth Order Kantorovich Modification of Linking Baskakov-Type Operators
|
2015
|
Margareta Heilmann
Ioan Raşa
|
|
+
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F. Altomare, M. Cappelletti Montano, V. Leonessa and I. Rasa, A generalization of Kantorovich operators for convex compact subsets, preprint.
|
2015
|
Francesco Altomare
Mirella Cappelletti Montano
Vita Leonessa
Ioan Raşa
|
|
+
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Concavity of some entropies
|
2015
|
Ioan Raşa
|
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+
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Entropies and the derivatives of some Heun functions
|
2015
|
Ioan Raşa
|
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+
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Markov Operators, Positive Semigroups and Approximation Processes
|
2014
|
Francesco Altomare
Mirella Cappelletti Montano
Vita Leonessa
Ioan Raşa
|
|
+
|
Power series of Beta operators
|
2014
|
Tuncer Acar
Ali̇ Aral
Ioan Raşa
|
|
+
|
On the Decomposition of Bernstein Operators
|
2014
|
Margareta Heilmann
Ioan Raşa
|
|
+
|
Power series of the operators $$U_n^{\varrho }$$ U n ϱ
|
2014
|
Heiner Gonska
Ioan Raşa
Elena Dorina Stănilă
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Systems of nonlinear algebraic equations with unique solution
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2014
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Anca Ciurte
Sergiu Nedevschi
Ioan Raşa
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Lagrange-type operators associated with $U_n^{\varrho}$
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2014
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Heiner Gonska
Ioan Raşa
Elena-Dorina Stănilă
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Beta operators with Jacobi weights
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2014
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Heiner Gonska
Ioan Raşa
Elena Dorina Stùanilùa
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On differential operators associated with Markov operators
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2014
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Francesco Altomare
Mirella Cappellettı Montano
Vita Leonessa
Ioan Raşa
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Approximation properties of Bernstein–Durrmeyer type operators
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2014
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Daniel Cárdenas-Morales
Pedro Garrancho
Ioan Raşa
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PDF
Chat
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The eigenstructure of some positive linear operators
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2014
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Antonio Attalienti
Ioan Raşa
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On Markov operators preserving polynomials
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2014
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Francesco Altomare
Mirella Cappellettı Montano
Vita Leonessa
Ioan Raşa
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Rényi entropy and Tsallis entropy associated with positive linear operators
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2014
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Ioan Raşa
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Chebyshev-Grüss-type inequalities via discrete oscillations
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2014
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Heiner Gonska
Ioan Raşa
Maria-Daniela Rusu
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PDF
Chat
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Lagrange-type operators associated with Uan
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2014
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Heiner Gonska
Ioan Raşa
Elena-Dorina Stănilă
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Special functions associated with positive linear operators
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2014
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Ioan Raşa
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Power series of the operators $U_n^{\varrho}$
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2014
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Heiner Gonska
Ioan Raşa
Elena Dorina Stănilă
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PDF
Chat
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Approximation processes and asymptotic relations
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2014
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Ioan Raşa
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PDF
Chat
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Best constant in Hyers-Ulam stability of some functional equations
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2014
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Dorian Popa
Ioan Raşa
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Hyers-Ulam Stability of Some Differential Equations and Differential Operators
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2014
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Dorian Popa
Ioan Raşa
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Lagrange-type operators associated with $U_n^{\varrho}$
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2014
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Heiner Gonska
Ioan Raşa
Elena-Dorina Stănilă
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Beta operators with Jacobi weights
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2014
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Heiner Gonska
Ioan Raşa
Elena Dorina Stănilă
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Sur la suite des opérateurs Bernstein composés
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2014
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Heiner Gonska
Ioan Raşa
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On the Generalized Szász–Mirakyan Operators
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2013
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Ali̇ Aral
Daniela Inoan
Ioan Raşa
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On the best constant in Hyers–Ulam stability of some positive linear operators
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2013
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Dorian Popa
Ioan Raşa
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The Eigenstructure of Operators Linking the Bernstein and the Genuine Bernstein–Durrmeyer operators
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2013
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Heiner Gonska
Ioan Raşa
Elena-Dorina Stănilă
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PDF
Chat
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Čebyšev-Grüss-type inequalities revisited
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2013
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Heiner Gonska
Ioan Raşa
Maria-Daniela Rusu
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PDF
Chat
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Sur la suite des opérateurs Bernstein composés
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2013
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Heiner Gonska
Ioan Raşa
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Sur la suite des opérateurs Bernstein composés (On the sequence of composite Bernstein operators)
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2013
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Heiner Gonska
Ioan Raşa
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Complete monotonicity and limit of a generalized Euler sequence
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2013
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Dorian Popa
Ioan Raşa
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Optimality of piecewise -linear interpolating operators
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2013
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Daniel Cárdenas-Morales
Pedro Garrancho
Ioan Raşa
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A recursive algorithm for Bernstein operators of second kind
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2013
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Daniela Inoan
Ioan Raşa
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On the stability of some classical operators from approximation theory
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2013
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Dorian Popa
Ioan Raşa
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ˇ CEBY ˇ ¨ USS-TYPE INEQUALITIES REVISITED
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2013
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Heiner Gonska
Ioan Raşa
Maria-Daniela Rusu
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PDF
Chat
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Asymptotic relations for the Bernstein-Schnabl operators on the unit interval
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2013
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Ioan Raşa
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Hyers–Ulam stability of the linear differential operator with nonconstant coefficients
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2012
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Dorian Popa
Ioan Raşa
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The Genuine Bernstein–Durrmeyer Operators Revisited
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2012
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Heiner Gonska
Daniela Kacsó
Ioan Raşa
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Generalized Ostrowski–Grüss-type Inequalities
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2012
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Heiner Gonska
Ioan Raşa
Maria-Daniela Rusu
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PDF
Chat
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AN ALGORITHM FOR SOLVING SOME NONLINEAR SYSTEMS WITH APPLICATIONS TO EXTREMUM PROBLEMS
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2012
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Anca Ciurte
Sergiu Nedevschi
Ioan Raşa
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A majorization inequality for Wright-convex functions revisited
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2012
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Daniela Inoan
Ioan Raşa
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AN ALGORITHM FOR SOLVING SOME NONLINEAR SYSTEMS WITH APPLICATIONS TO EXTREMUM PROBLEMS
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2012
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Anca Ciurte
Sergiu Nedevschi
Ioan Raşa
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On the composition and decomposition of positive linear operators III: A non-trivial decomposition of the Bernstein operator
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2012
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Heiner Gonska
Margareta Heilmann
Alexandru Lupaş
Ioan Raşa
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PDF
Chat
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Asymptotic Formulae via a Korovkin-Type Result
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2012
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Daniel Cárdenas-Morales
Pedro Garrancho
Ioan Raşa
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PDF
Chat
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Estimates for the semigroup associated with Bernstein-Schnabl operators
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2012
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Ioan Raşa
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On infinite products of positive linear operators reproducing linear functions
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2011
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Heiner Gonska
Ioan Raşa
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PDF
Chat
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Grüss-type and Ostrowski-type inequalities in approximation theory
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2011
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Ana Maria Acu
Heiner Gonska
Ioan Raşa
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The Fréchet functional equation with application to the stability of certain operators
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2011
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Dorian Popa
Ioan Raşa
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Power Series of Bernstein Operators and Approximation of Resolvents
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2011
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Ioan Raşa
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Bernstein-type operators which preserve polynomials
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2011
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Daniel Cárdenas-Morales
Pedro Garrancho
Ioan Raşa
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Kantorovich Operators of Order <i>k</i>
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2011
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Heiner Gonska
Margareta Heilmann
Ioan Raşa
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On the Hyers–Ulam stability of the linear differential equation
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2011
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Dorian Popa
Ioan Raşa
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Gamma-type operators and the Black–Scholes semigroup
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2010
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Antonio Attalienti
Rosa Maria Mininni
Ioan Raşa
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On the composition and decomposition of positive linear operators (II)
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2009
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Heiner Gonska
Ioan Raşa
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General King-Type Operators
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2009
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Heiner Gonska
Paula Piţul
Ioan Raşa
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Asymptotic behaviour of certain semigroups generated by differential operators
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2009
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Ioan Raşa
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Asymptotic behaviour of iterates of positive linear operators
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2009
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Ioan Raşa
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Convergence of iterates of genuine and ultraspherical Durrmeyer operators to the limiting semigroup: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msup><mml:mrow><mml:mi>C</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msup></mml:math>-estimates
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2008
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Heiner Gonska
Margareta Heilmann
Ioan Raşa
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PDF
Chat
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On Bernstein–Schnabl Operators on the Unit Interval
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2008
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Francesco Altomare
Vita Leonessa
Ioan Raşa
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Overiterated Linear Operators and Asymptotic Behaviour of Semigroups
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2008
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Antonio Attalienti
Ioan Raşa
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PDF
Chat
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Shape-preserving properties and asymptotic behaviour of the semigroup generated by the Black-Scholes operator
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2008
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Antonio Attalienti
Ioan Raşa
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Steklov operators and semigroups in weighted spaces of continuous real functions
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2008
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Michele Campiti
Ioan Raşa
Cristian Tacelli
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Remarks on Voronovskaya's theorem
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2008
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Heiner Gonska
Ioan Raşa
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On Genuine Bernstein–Durrmeyer Operators
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2007
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Heiner Gonska
Daniela Kacsó
Ioan Raşa
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Over-iterates of Bernstein-Stancu operators
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2007
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Heiner Gonska
Paula Piţul
Ioan Raşa
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PDF
Chat
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Total Positivity: an application to positive linear operators and to their limiting semigroups
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2007
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Antonio Attalienti
Ioan Raşa
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A quantitative version of Trotter's approximation theorem
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2007
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Elisabetta M. Mangino
Ioan Raşa
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The limiting semigroup of the Bernstein iterates: degree of convergence
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2006
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Heiner Gonska
Ioan Raşa
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PDF
Chat
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Iterated boolean sums of Bernstein and related operators
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2006
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Ioan Raşa
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Inequalities Involving the Inner Product
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2006
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Dorian Popa
Ioan Raşa
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PDF
Chat
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Classes of convex functions associated with Bernstein operators of second kind
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2006
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Ioan Raşa
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On a class of exponential-type operators and their limit semigroups
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2005
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Francesco Altomare
Ioan Raşa
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One-Dimensional Diffusions and Approximation
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2005
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Ioan Raşa
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Semigroups Associated to Mache Operators (II)
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2005
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Ioan Raşa
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On Some Classes of Diffusion Equations and Related Approximation Problems
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2005
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Francesco Altomare
Ioan Raşa
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PDF
Chat
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Estimates for the semigroup associated with Bernstein operators
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2004
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Ioan Raşa
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Qualitative properties of a class of Fleming-Viot operators
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2004
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Michele Campiti
Ioan Raşa
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Semigroups Associated to Mache Operators
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2002
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Ioan Raşa
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PDF
Chat
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A Voronovskaya-type theorem
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2001
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Mircea Ivan
Ioan Raşa
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None
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2001
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G. Mastroianni
Ioan Raşa
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PDF
Chat
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On Soardi's Bernstein operators of second kind
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2000
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Ioan Raşa
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On an Index Set Function
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2000
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Josip Pečarić
Ioan Raşa
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On an Index Set Function
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2000
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Josip Pečarić
Ioan Raşa
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Lototsky-Schabl operators on the unit interval
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1999
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José A. Adell
Jesús de la Cal
Ioan Raşa
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Feller Semigroups, Bernstein type Operators and Generalized Convexity Associated with Positive Projections
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1999
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Francesco Altomare
Ioan Raşa
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A Popoviciu-type mean value theorem
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1997
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Mircea Ivan
Ioan Raşa
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Some inequalities with integral means.
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1996
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Gheorghe Toader
Ioan Raşa
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Bernstein-type operators, convexity and Lipschitz classes
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1995
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Biancamaria Della Vecchia
Ioan Raşa
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The Gleason-Kahane-Zelazko property and Korovkin systems in symmetric involutive Banach algebras
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1993
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Cătălin Badea
Ioan Raşa
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Remarks on some quantitative Korovkin-type results
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1993
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Ioan Gavrea
Ioan Raşa
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Approximation by positive operators in the space \(C^{(p)}([a,b])\)
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1989
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Francesco Altomare
Ioan Raşa
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On some systems of linear inequalities
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1988
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Ioan Raşa
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On the monotonicity of sequences of Bernstein-Schnabl operators
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1988
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Ioan Raşa
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Norm-one projections on some function spaces
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1988
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Ioan Raşa
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Sets on which concave functions are affine and Korovkin closures
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1986
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Ioan Raşa
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Strictly concave and strictly superharmonic functions
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1986
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Ioan Raşa
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On some Korovkin subspaces
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1985
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Ioan Raşa
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The Jensen inequality: refinements and applications
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1985
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D. Andrica
Ioan Raşa
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Approximation of twice differentiable functions by positive linear operators
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1985
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Ioan Raşa
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On the barycenter formula
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1984
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Ioan Raşa
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On some inequalities involving convex sequences
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1984
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D. Andrica
Ioan Raşa
Gh. Toader
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On the inequalities of Popoviciu and Rado
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1982
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Ioan Raşa
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Fonctionnelles \(P_n\)-exactes et fonctionnelles \(P_n\)-simples
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1981
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Ioan Raşa
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Sur certaines algèbres de fonctions continues et sur les suites de variables aléatoires uniformément bornées
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1977
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Ioan Raşa
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