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Non-rotational measures in the Bargmann space, and entanglement of
bipartite squeezed coherent states
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2024
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K. Górska
A. Horzela
Damian Kołaczek
B. J. Spisak
Franciszek Hugon Szafraniec
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Composition in Reproducing Kernel Hilbert Spaces à Rebours
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2024
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Franciszek Hugon Szafraniec
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PDF
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Christoffel–Darboux Kernels in Several Real Variables
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2023
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Dariusz Cichoń
Franciszek Hugon Szafraniec
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PDF
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Transporting positive definiteness
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2022
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Franciszek Hugon Szafraniec
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Christoffel-Darboux kernels in several real variables
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2022
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Dariusz Cichoń
Franciszek Hugon Szafraniec
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The complex moment problem of Dirichlet type
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2021
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Franciszek Hugon Szafraniec
Michał Wojtylak
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PDF
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Revitalising Pedrick’s Approach to Reproducing Kernel Hilbert Spaces
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2021
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Franciszek Hugon Szafraniec
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The complex moment problem: determinacy and extendibility
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2019
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Dariusz Cichoń
Jan Stochel
Franciszek Hugon Szafraniec
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Holomorphic Hermite polynomials in two variables
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2018
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K. Górska
A. Horzela
Franciszek Hugon Szafraniec
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PDF
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Coherence, Squeezing and Entanglement: An Example of Peaceful Coexistence
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2018
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K. Górska
A. Horzela
Franciszek Hugon Szafraniec
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Dissymmetrising Inner Product Spaces
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2018
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Franciszek Hugon Szafraniec
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Holomorphic Hermite polynomials in two variables
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2017
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K. Górska
A. Horzela
Franciszek Hugon Szafraniec
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PDF
Chat
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Three paths toward the quantum angle operator
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2016
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Jean‐Pierre Gazeau
Franciszek Hugon Szafraniec
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The Sobolev moment problem and Jordan dilations
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2016
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Franciszek Hugon Szafraniec
Michał Wojtylak
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Three paths toward quantum angle operators
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2016
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Jean‐Pierre Gazeau
Franciszek Hugon Szafraniec
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The Sobolev moment problem and Jordan dilations
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2016
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Franciszek Hugon Szafraniec
Michał Wojtylak
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Operators of the quantum harmonic oscillator and its relatives
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2015
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Franciszek Hugon Szafraniec
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Non‐Selfadjoint Operators in Quantum Physics
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2015
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Фабио Багарелло
Jean‐Pierre Gazeau
Franciszek Hugon Szafraniec
Miloslav Znojil
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Introduction
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2015
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Фабио Багарелло
J.P. Gazeau
Franciszek Hugon Szafraniec
Miloslav Znojil
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Index
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2015
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Фабио Багарелло
Jean‐Pierre Gazeau
Franciszek Hugon Szafraniec
Miloslav Znojil
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The Reproducing Kernel Property and Its Space: More or Less Standard Examples of Applications
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2015
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Franciszek Hugon Szafraniec
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The Reproducing Kernel Property and Its Space: The Basics
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2015
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Franciszek Hugon Szafraniec
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+
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The Reproducing Kernel Property and Its Space: The Basics
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2015
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Franciszek Hugon Szafraniec
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+
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The Reproducing Kernel Property and Its Space: More or Less Standard Examples of Applications
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2015
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Franciszek Hugon Szafraniec
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PDF
Chat
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Squeezing of arbitrary order: the ups and downs
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2014
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K. Górska
A. Horzela
Franciszek Hugon Szafraniec
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Normal intermediate extensions of symmetric relations
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2014
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Seppo Hassi
H. S. V. de Snoo
Franciszek Hugon Szafraniec
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PDF
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Squeezed states and Hermite polynomials in a complex variable
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2014
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S. Twareque Ali
K. Górska
A. Horzela
Franciszek Hugon Szafraniec
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Framings and dilations
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2013
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David R. Larson
Franciszek Hugon Szafraniec
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Framings and dilations
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2013
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David R. Larson
Franciszek Hugon Szafraniec
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Framings and dilations
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2013
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David R. Larson
Franciszek Hugon Szafraniec
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Infinite-dimensional perturbations, maximally nondensely defined symmetric operators, and some matrix representations
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2012
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Seppo Hassi
H. S. V. de Snoo
Franciszek Hugon Szafraniec
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Naĭmark dilations and Naĭmark extensions in favour of moment problems
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2012
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Franciszek Hugon Szafraniec
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John Williams Calkin: a short biography
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2012
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Seppo Hassi
H. S. V. de Snoo
Franciszek Hugon Szafraniec
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Operator Methods for Boundary Value Problems
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2012
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Seppo Hassi
H. S. V. de Snoo
Franciszek Hugon Szafraniec
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Infinite-dimensional perturbations, maximally nondensely defined symmetric operators, and some matrix representations
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2012
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Seppo Hassi
H. S. V. de Snoo
Franciszek Hugon Szafraniec
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Holomorphic Hermite polynomials and a non-commutative plane
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2011
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Jean‐Pierre Gazeau
Franciszek Hugon Szafraniec
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PDF
Chat
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Analytic Kramer kernels, Lagrange-type interpolation series and de Branges spaces
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2011
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Antonio G. Garcı́a
Miguel Á. Hernández-Medina
Franciszek Hugon Szafraniec
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Riesz–Haviland criterion for incomplete data
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2011
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Dariusz Cichoń
Jan Stochel
Franciszek Hugon Szafraniec
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Analytic Kramer kernels, Lagrange-type interpolation series and de Branges spaces
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2011
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Antonio G. Garcı́a
Miguel Angel Hernández Medina
Franciszek Hugon Szafraniec
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Selfadjoint operators in S-spaces
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2010
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Friedrich Philipp
Franciszek Hugon Szafraniec
Carsten Trunk
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PDF
Chat
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Extending positive definiteness
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2010
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Dariusz Cichoń
Jan Stochel
Franciszek Hugon Szafraniec
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PDF
Chat
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Pontryagin space structure in reproducing kernel Hilbert spaces over *-semigroups
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2010
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Franciszek Hugon Szafraniec
Michał Wojtylak
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Naimark extensions for indeterminacy in the moment problem. An example
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2010
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Dariusz Cichoń
Jan Stochel
Franciszek Hugon Szafraniec
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Murphy's ``Positive definite kernels and Hilbert C<sup>*</sup>-modules'' reorganized
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2010
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Franciszek Hugon Szafraniec
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PDF
Chat
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Normals, subnormals and an open question
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2010
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Franciszek Hugon Szafraniec
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Decomposing numerical ranges along with spectral sets
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2009
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Franciszek Hugon Szafraniec
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Normals, subnormals and an open question
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2009
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Franciszek Hugon Szafraniec
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Murphy's {\em Positive definite kernels and Hilbert C${}^*$--modules} reorganized
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2009
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Franciszek Hugon Szafraniec
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PDF
Chat
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Componentwise and Cartesian decompositions of linear relations
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2009
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Seppo Hassi
H. S. V. de Snoo
Franciszek Hugon Szafraniec
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DE BRANGES SPACES, ANALYTIC KRAMER KERNELS AND LAGRANGE-TYPE INTERPOLATION SERIES
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2009
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Antonio G. Garc Ia
Miguel A. Hern Andez-Medina
Franciszek Hugon Szafraniec
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Extending positive definiteness
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2009
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Dariusz Cichoń
Jan Stochel
Franciszek Hugon Szafraniec
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Componentwise and Cartesian decompositions of linear relations
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2009
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Seppo Hassi
H. S. V. de Snoo
Franciszek Hugon Szafraniec
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Pontryagin Space Structure in Reproducing Kernel Hilbert Spaces over *-semigroups
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2009
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Franciszek Hugon Szafraniec
Micha L Wojtylak
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Decomposing numerical ranges along with spectral sets
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2009
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Franciszek Hugon Szafraniec
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Adjoints and formal adjoints of matrices of unbounded operators
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2008
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Manfred Möller
Franciszek Hugon Szafraniec
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Two-sided Weighted Shifts Are ‘Almost Krein’ Normal
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2008
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Franciszek Hugon Szafraniec
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PDF
Chat
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UNITARY PROPAGATION OF OPERATOR DATA
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2007
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Zenon Jan Jabłoński
Jan Stochel
Franciszek Hugon Szafraniec
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How To Recognize The Creation Operator
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2007
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Franciszek Hugon Szafraniec
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PDF
Chat
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A canonical decomposition for linear operators and linear relations
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2007
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Seppo Hassi
Zoltán Sebestyén
H. S. V. de Snoo
Franciszek Hugon Szafraniec
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Moments from their very truncations
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2007
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Franciszek Hugon Szafraniec
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Operators of the $q$-oscillator
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2007
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Franciszek Hugon Szafraniec
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Subnormality from bounded vectors
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2007
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Franciszek Hugon Szafraniec
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Adjoints and Formal Adjoints of Matrices of Unbounded Operators
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2007
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Manfred Möller
Franciszek Hugon Szafraniec
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Operators of the q-oscillator
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2007
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Franciszek Hugon Szafraniec
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Moments from their very truncations
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2007
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Franciszek Hugon Szafraniec
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q-positive definiteness and related operators
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2006
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Schôichi Ôta
Franciszek Hugon Szafraniec
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On Normal Extensions of Unbounded Operators: IV. A Matrix Construction
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2006
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Franciszek Hugon Szafraniec
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Bounded Normal Operators in Pontryagin Spaces
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2006
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Heinz Langer
Franciszek Hugon Szafraniec
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A canonical decomposition for linear operators and linear relations
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2006
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Seppo Hassi
Zoltán Sebestyén
H. S. V. de Snoo
Franciszek Hugon Szafraniec
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Favard’s Theorem Modulo an Ideal
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2005
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Franciszek Hugon Szafraniec
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PDF
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LAGUERRE AND MEIXNER POLYNOMIALS IN DUALITY
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2005
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Franciszek Hugon Szafraniec
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Three term recurrence relation modulo ideal and orthogonality of polynomials of several variables
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2005
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Dariusz Cichoń
Jan Stochel
Franciszek Hugon Szafraniec
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PDF
Chat
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Subnormality and cyclicity
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2005
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Franciszek Hugon Szafraniec
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Orthogonality of analytic polynomials: a little step further
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2004
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Franciszek Hugon Szafraniec
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Integral representations on equipotential and harmonic sets
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2004
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Francisco Marcellán
Franciszek Hugon Szafraniec
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A characterization of the Hamiltonian
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2004
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Franciszek Hugon Szafraniec
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PDF
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Notes on q-deformed operators
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2004
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Schôichi Ôta
Franciszek Hugon Szafraniec
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PDF
Chat
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Bounded vectors for subnormality via a group of unbounded operators
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2004
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Franciszek Hugon Szafraniec
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Noncommuting Domination
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2004
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Dariusz Cichoń
Jan Stochel
Franciszek Hugon Szafraniec
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PDF
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THE DUAL OF A FORMULA OF VISKOV
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2003
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Franciszek Hugon Szafraniec
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PDF
Chat
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Domination of unbounded operators and commutativity
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2003
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Jan Stochel
Franciszek Hugon Szafraniec
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None
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2003
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Franciszek Hugon Szafraniec
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Multipliers in the Reproducing Kernel Hilbert Space, Subnormality and Noncommutative Complex Analysis
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2003
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Franciszek Hugon Szafraniec
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PDF
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A peculiarity of the creation operator
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2002
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Jan Stochel
Franciszek Hugon Szafraniec
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Duality in the quantum harmonic oscillator
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2001
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Franciszek Hugon Szafraniec
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On matrix integration of matrix polynomials
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2001
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Franciszek Hugon Szafraniec
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A matrix algorithm towards solving the moment problem of Sobolev type
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2001
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Francisco Marcellán
Franciszek Hugon Szafraniec
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Unitary dilation of several contractions
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2001
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Jan Stochel
Franciszek Hugon Szafraniec
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On harmonic oscillators described by non-Hermitian operators and generalized Heisenberg relations
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2000
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N. Debergh
J. Beckers
Franciszek Hugon Szafraniec
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Subnormality in the Quantum Harmonic Oscillator
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2000
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Franciszek Hugon Szafraniec
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The Sobolev-type moment problem
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2000
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Francisco Marcellán
Franciszek Hugon Szafraniec
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The reproducing kernel Hilbert space and its multiplication operators
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2000
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Franciszek Hugon Szafraniec
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On oscillatorlike Hamiltonians and squeezing
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2000
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J. Beckers
N. Debergh
Franciszek Hugon Szafraniec
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The Complex Moment Problem and Subnormality: A Polar Decomposition Approach
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1998
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Jan Stochel
Franciszek Hugon Szafraniec
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An inductive limit procedure within the quantum harmonic oscillator
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1998
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Franciszek Hugon Szafraniec
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C 1 -vectors and boundedness
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1997
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Jan Stochel
Franciszek Hugon Szafraniec
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+
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vectors and boundedness
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1997
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Jan Stochel
Franciszek Hugon Szafraniec
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+
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Operators preserving orthogonality of polynomials
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1996
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Francisco Marcellán
Franciszek Hugon Szafraniec
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A method of localizing the spectra of sequences of orthogonal polynomials
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1995
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Franciszek Hugon Szafraniec
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Yet Another Face of the Creation Operator
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1995
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Franciszek Hugon Szafraniec
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Algebraic operators and moments on algebraic sets.
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1994
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Jan Stochel
Franciszek Hugon Szafraniec
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A (little) step towards orthogonality of analytic polynomials
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1993
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Franciszek Hugon Szafraniec
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Cosine representations of Bochner type
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1990
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Jan Niechwiej
Franciszek Hugon Szafraniec
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A RKHS of Entire Functions and its Multiplication Operator. An Explicit Example
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1990
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Franciszek Hugon Szafraniec
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PDF
Chat
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Kato-Protter type inequalities, bounded vectors and the exponential function
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1990
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Franciszek Hugon Szafraniec
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PDF
Chat
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On Normal Extensions of Unbounded Operators. III. Spectral Properties
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1989
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Jan Stochel
Franciszek Hugon Szafraniec
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The normal part of an unbounded operator
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1989
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Jan Stochel
Franciszek Hugon Szafraniec
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+
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Unbounded weighted shifts and subnormality
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1989
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Jan Stochel
Franciszek Hugon Szafraniec
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+
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On bounded holomorphic interpolation in several variables
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1986
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Franciszek Hugon Szafraniec
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PDF
Chat
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Equivalent definitions of positive definiteness
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1984
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P. H. Maserick
Franciszek Hugon Szafraniec
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PDF
Chat
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On interpolation of completely monotonic sequences
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1983
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Franciszek Hugon Szafraniec
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Subnormals in C ∗ -Algebras
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1982
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Franciszek Hugon Szafraniec
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PDF
Chat
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Subnormals in 𝐶*-algebras
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1982
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Franciszek Hugon Szafraniec
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PDF
Chat
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Boundedness in dilation theory
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1982
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Franciszek Hugon Szafraniec
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PDF
Chat
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Boundedness of the shift operator related to positive definite forms: An application to moment problems
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1981
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Franciszek Hugon Szafraniec
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+
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Dilations with operator multipliers
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1980
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W. Mlak
Franciszek Hugon Szafraniec
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PDF
Chat
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Note on a general dilation theorem
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1979
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Franciszek Hugon Szafraniec
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PDF
Chat
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Dilations on Involution Semigroups
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1977
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Franciszek Hugon Szafraniec
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PDF
Chat
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Dilations on involution semigroups
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1977
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Franciszek Hugon Szafraniec
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+
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On Hammerstein integral equations
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1975
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Andrzej Lasota
Franciszek Hugon Szafraniec
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PDF
Chat
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Decompositions of non-contractive operator-valued representations of Banach algebras
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1972
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Franciszek Hugon Szafraniec
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PDF
Chat
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Some spectral properties of operator-valued representations of function algebras
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1971
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Franciszek Hugon Szafraniec
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PDF
Chat
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Note on the existence of periodic solutions of a second order differential equation
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1969
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Franciszek Hugon Szafraniec
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PDF
Chat
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Existence theorems for discrete boundary problems
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1968
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Franciszek Hugon Szafraniec
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Sur les solutions périodiques d'une équation différentielle ordinaire d'ordre n
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1966
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Andrzej Lasota
Franciszek Hugon Szafraniec
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