Yavdat Il’yasov

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All published works

Action	Title	Year	Authors
+	An extension of the Perron-Frobenius theory to arbitrary matrices and cones	2024	Yavdat Il’yasov Н. Ф. Валеев
+ PDF Chat	On degenerate (p,q)$(p,q)$‐Laplace equations corresponding to an inverse spectral problem	2024	Yavdat Il’yasov Н. Ф. Валеев
+ PDF Chat	On finding bifurcations for non-variational elliptic systems by the extended quotients method	2024	Yavdat Il’yasov
+ PDF Chat	Existence and uniqueness of a saddle-node bifurcation point for nonlinear equations in general domains	2024	Yavdat Il’yasov
+ PDF Chat	A new proof of the Perron-Frobeniuos theorem, a variational approach	2024	Yavdat Il’yasov Н. Ф. Валеев
+ PDF Chat	On periodic and compactly supported least energy solutions to semilinear elliptic equations with non-Lipschitz nonlinearity	2023	Jacques Giacomoni Yavdat Il’yasov Deepak Kumar
+ PDF Chat	A finding of the maximal saddle-node bifurcation for systems of differential equations	2023	Yavdat Il’yasov
+ PDF Chat	Prescribed energy saddle-point solutions of nonlinear indefinite problems	2023	Yavdat Il’yasov Edcarlos Domingos da Silva Maxwell Lizete da Silva
+	A finding of the maximal saddle-node bifurcation for systems of differential equations	2023	Yavdat Il’yasov
+	A Finding of the Maximal Saddle-Node Bifurcation for Systems of Differential Equations	2023	Yavdat Il’yasov
+ PDF Chat	On ground states for the 2D Schrödinger equation with combined nonlinearities and harmonic potential	2022	Rémi Carles Yavdat Il’yasov
+ PDF Chat	Existence of S-shaped type bifurcation curve with dual cusp catastrophe via variational methods	2022	Marcos L. M. Carvalho Yavdat Il’yasov Carlos Alberto Santos
+	On periodic and compactly supported least energy solutions to semilinear elliptic equations with non-Lipschitz nonlinearity	2022	Jacques Giacomoni Yavdat Il’yasov Deepak Kumar
+	On prescribed energy saddle-point solutions to indefinite problems	2022	Yavdat Il’yasov Edcarlos D. Silva Maxwell L. Silva
+	Separating solutions of nonlinear problems using nonlinear generalized Rayleigh quotients	2021	Marcos L. M. Carvalho Yavdat Il’yasov Carlos Alberto Santos
+	Rayleigh quotients of the level set manifolds related to the nonlinear PDE	2021	Yavdat Il’yasov
+	Recovery of the nearest potential field from the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="d1e22" altimg="si7.svg"><mml:mi>m</mml:mi></mml:math> observed eigenvalues	2021	Yavdat Il’yasov Н. Ф. Валеев
+	On orbital stability of the physical ground states of the NLS equations	2021	Yavdat Il’yasov
+	Finding Saddle-Node Bifurcations via a Nonlinear Generalized Collatz–Wielandt Formula	2021	Yavdat Il’yasov
+	Rayleigh quotients of the level set manifolds related to the nonlinear PDE	2021	Yavdat Il’yasov
+	On orbital stability of the physical ground states of the NLS equations	2021	Yavdat Il’yasov
+	On ground states for the 2D Schrodinger equation with combined nonlinearities and harmonic potential	2021	Rémi Carles Yavdat Il’yasov
+	Existence of S-shaped type bifurcation curve with dual cusp catastrophe via variational methods	2021	Marcos L. M. Carvalho Yavdat Il’yasov Carlos Alberto Santos
+	On a generalized Collatz-Wielandt formula and finding saddle-node bifurcations.	2020	Yavdat Il’yasov
+ PDF Chat	Estimates on the spectral interval of validity of the anti-maximum principle	2020	Vladimir Bobkov Pavel Drábek Yavdat Il’yasov
+ PDF Chat	Inverse spectral problem for Sturm - Liouville operator with prescribed partial trace	2020	Н. Ф. Валеев Yavdat Il’yasov
+	On a generalized Collatz-Wielandt formula and finding saddle-node bifurcations	2020	Yavdat Il’yasov
+ PDF Chat	On full Zakharov equation and its approximations	2019	Vladimir Bobkov Pavel Drábek Yavdat Il’yasov
+	On an optimal potential of Schrödinger operator with prescribed $m$ eigenvalue	2019	Yavdat Il’yasov Н. Ф. Валеев
+	On partially free boundary solutions for elliptic problems with non-Lipschitz nonlinearities	2019	Vladimir Bobkov Pavel Drábek Yavdat Il’yasov
+	On an optimal potential of Schrödinger operator with prescribed $m$ eigenvalue	2019	Yavdat Il’yasov Н. Ф. Валеев
+	Estimates on spectral interval of validity of anti-maximum principle	2018	Vladimir Bobkov Pavel Drábek Yavdat Il’yasov
+ PDF Chat	On inverse spectral problem and generalized Sturm nodal theorem for nonlinear boundary value problems	2018	Yavdat Il’yasov Н. Ф. Валеев
+	On an Inverse Optimization Spectral Problem and a Corresponding Nonlinear Boundary-Value Problem	2018	Н. Ф. Валеев Yavdat Il’yasov
+	On branches of positive solutions for 𝑝-Laplacian problems at the extreme value of the Nehari manifold method	2017	Yavdat Il’yasov Kaye Silva
+ PDF Chat	On extreme values of Nehari manifold method via nonlinear Rayleigh's quotient	2017	Yavdat Il’yasov
+	Flat solutions of some non-Lipschitz autonomous semilinear equations may be stable for N ≥ 3	2017	Jesús Ildefonso Díaz Díaz Jesús Hernández Yavdat Il’yasov
+ PDF Chat	On global instability of solutions to hyperbolic equations with non-Lipschitz nonlinearity	2017	Yavdat Il’yasov Emil Eduardovich Kholodnov
+	Bifurcation and blow-up results for equations with p-Laplacian and convex-concave nonlinearity	2017	Yavdat Il’yasov
+	On critical exponents curve for nonlinear elliptic equations in zero mass case	2016	Yavdat Il’yasov
+	Flat solutions of some non-Lipschitz autonomous semilinear equations may be stable for $N\geq 3$	2016	Jesús Ildefonso Díaz Díaz Jesús Hernández Yavdat Il’yasov
+ PDF Chat	Maximal existence domains of positive solutions for two-parametric systems of elliptic equations	2015	Vladimir Bobkov Yavdat Il’yasov
+	On extreme values of Nehari manifold method via nonlinear Rayleigh's quotient	2015	Yavdat Il’yasov
+	Computation of maximal turning points to nonlinear equations by nonsmooth optimization	2015	Yavdat Il’yasov Aleksandr Ivanov
+	On the existence of positive solutions and solutions with compact support for a spectral nonlinear elliptic problem with strong absorption	2015	Jesús Ildefonso Díaz Díaz Jesús Hernández Yavdat Il’yasov
+	On extreme values of Nehari manifold method via nonlinear Rayleigh's quotient	2015	Yavdat Il’yasov
+	Computation of maximal turning points by a variational approach	2014	Yavdat Il’yasov А. Г. Иванов
+	Positive solutions of indefinite equations with<i>p</i>-Laplacian and supercritical nonlinearity	2011	Yavdat Il’yasov Thomas Runst
+	On critical exponent for an elliptic equation with non-Lipschitz nonlinearity	2011	Yavdat Il’yasov
+	An anti-maximum principle for degenerate elliptic boundary value problems with indefinite weights	2010	Yavdat Il’yasov Thomas Runst
+	Hopf boundary maximum principle violation for semilinear elliptic equations	2010	Yavdat Il’yasov Youri V. Egorov
+	Hopf maximum principle violation for elliptic equations with non-Lipschitz nonlinearity	2009	Yavdat Il’yasov Youri V. Egorov
+	Hopf maximum principle violation for elliptic equations with non-Lipschitz nonlinearity	2009	Yavdat Il’yasov Youri V. Egorov
+	On the existence of pair positive-negative solutions for resonance problems	2009	Yavdat Il’yasov Thomas Runst Abdellah Youssfi
+	On the existence of pair positive–negative solutions for resonance problems	2008	Yavdat Il’yasov Thomas Runst Abdellah Youssfi
+	A duality principle corresponding to the parabolic equations	2007	Yavdat Il’yasov
+	ON MULTIPLE SOLUTIONS FOR ELLIPTIC BOUNDARY VALUE PROBLEM WITH TWO CRITICAL EXPONENTS	2007	Yu. V. Egorov Yavdat Il’yasov
+	On conformal invariants for elliptic systems with multiple critical exponents	2007	Youri V. Egorov Yavdat Il’yasov
+ PDF Chat	Исчисление бифуркаций методом продолженного функционала	2007	Явдат Шавкатович Ильясов Yavdat Il’yasov
+	On nonlocal existence results for elliptic equations with convex–concave nonlinearities	2005	Yavdat Il’yasov
+ PDF Chat	Solutions of minimal period for a Hamiltonian system with a changing sign potential	2005	Yavdat Il’yasov Nadir Sari
+	On the stationary solutions of generalized reaction diffusion equations with $p\& q$-Laplacian	2005	Laurence Cherfils Yavdat Il’yasov
+	On the stationary solutions of generalized reaction diffusion equations with p&q -Laplacian	2005	Laurence Cherfils Yavdat Il’yasov
+ PDF Chat	On positive solutions of indefinite inhomogeneous Neumann boundary value problems	2004	Yavdat Il’yasov Thomas Runst
+	On nonlocal calculation for inhomogeneous indefinite Neumann boundary value problems	2004	Yavdat Il’yasov Thomas Runst
+	Positive solutions for indefinite inhomogeneous Neumann elliptic problems	2003	Yavdat Il’yasov Thomas Runst
+	Nonlocal Investigations of Inhomogeneous Indefinite Elliptic Equations via Variational Methods	2003	Yavdat Il’yasov Thomas Runst
+ PDF Chat	Нелокальные исследования бифуркаций решений нелинейных эллиптических уравнений	2002	Явдат Шавкатович Ильясов Yavdat Il’yasov
+	On positive solutions of indefinite elliptic equations	2001	Yavdat Il’yasov
+	Action as function of period for ground states of semilinear elliptic equations	2000	Yavdat Il’yasov
+ PDF Chat	On equations of the type $Au = g(x,u,Du)$ with degenerate and nonlinear boundary conditions	1999	Yavdat Il’yasov Thomas Runst
+ PDF Chat	Об одном необходимом условии существования положительных решений для класса уравнений с $p$-Лапласом	1999	Явдат Шавкатович Ильясов Yavdat Il’yasov
+ PDF Chat	Об асимптотике решений полулинейных эллиптических уравнений вблизи первого собственного значения невозмущенной задачи	1998	Явдат Шавкатович Ильясов Yavdat Il’yasov

Common Coauthors

Coauthor	Papers Together
Н. Ф. Валеев	9
Thomas Runst	9
Vladimir Bobkov	5
Явдат Шавкатович Ильясов	4
Youri V. Egorov	4
Pavel Drábek	4
Marcos L. M. Carvalho	3
Jesús Hernández	3
Carlos Alberto Santos	3
Jesús Ildefonso Díaz Díaz	3
Laurence Cherfils	2
Rémi Carles	2
Deepak Kumar	2
Jacques Giacomoni	2
Abdellah Youssfi	2
Aleksandr Ivanov	1
Kaye Silva	1
Emil Eduardovich Kholodnov	1
Yu. V. Egorov	1
А. Г. Иванов	1
Maxwell L. Silva	1
Nadir Sari	1
Edcarlos Domingos da Silva	1
Edcarlos D. Silva	1
Maxwell Lizete da Silva	1

Commonly Cited References

Action	Title	Year	Authors	# of times referenced
+	Variational methods for indefinite superlinear homogeneous elliptic problems	1995	Henri Berestycki Italo Capuzzo-Dolcetta Louis Nirenberg	13
+	On positive solutions of indefinite elliptic equations	2001	Yavdat Il’yasov	13
+	On harnack type inequalities and their application to quasilinear elliptic equations	1967	Neil S. Trudinger	12
+	Variational methods: Applications to nonlinear partial differential equations and Hamiltonian systems	1990	Michaël Struwe	10
+	Bifurcation calculus by the extended functional method	2007	Ya. Sh. Il’yasov	9
+	Boundary regularity for solutions of degenerate elliptic equations	1988	Gary M. Lieberman	9
+ PDF Chat	On extreme values of Nehari manifold method via nonlinear Rayleigh's quotient	2017	Yavdat Il’yasov	9
+	Non-local investigation of bifurcations of solutions of non-linear elliptic equations	2002	Ya. Sh. Il’yasov	9
+ PDF Chat	Action minima among solutions to a class of Euclidean scalar field equations	1978	Sidney Coleman V. Glaser A.D. Martin	9
+	A duality principle corresponding to the parabolic equations	2007	Yavdat Il’yasov	8
+	Positive solutions for the <i>p</i>-Laplacian: application of the fibrering method	1997	Pavel Drábek Stanislav I. Pohožaev	8
+	Regularity for a more general class of quasilinear elliptic equations	1984	Peter Tolksdorf	8
+	Combined Effects of Concave and Convex Nonlinearities in Some Elliptic Problems	1994	Antonio Ambrosetti Haı̈m Brezis G. Cerami	7
+	Bifurcation, perturbation of simple eigenvalues, itand linearized stability	1973	Michael G. Crandall Paul H. Rabinowitz	7
+	Hopf boundary maximum principle violation for semilinear elliptic equations	2010	Yavdat Il’yasov Youri V. Egorov	7
+ PDF Chat	Elliptic Partial Differential Equations of Second Order	2001	David Gilbarg Neil S. Trudinger	7
+	Dual variational methods in critical point theory and applications	1973	Antonio Ambrosetti Paul H. Rabinowitz	6
+	Asymptotic behaviour of branches for ground states of elliptic systems	2013	Vladimir Bobkov	6
+	Some global results for nonlinear eigenvalue problems	1971	Paul H. Rabinowitz	6
+	On semilinear elliptic equations with indefinite nonlinearities	1993	Stan Alama Gabriella Tarantello	6
+	A Strong Maximum Principle for some quasilinear elliptic equations	1984	Juan-Luis V�zquez	6
+	Nonlinear Functional Analysis and its Applications: III: Variational Methods and Optimization	1984	Eberhard Zeidler	6
+	On nonlinear boundary value problem corresponding to N-dimensional inverse spectral problem	2018	Y.Sh. Ilyasov Н. Ф. Валеев	5
+	Positive solutions of a semilinear elliptic equation on a compact manifold	1994	Manuel del Pino	5
+	Nonlinear scalar field equations, I existence of a ground state	1983	Henri Berestycki P. L. Lions	5
+	Positive solutions of indefinite equations with<i>p</i>-Laplacian and supercritical nonlinearity	2011	Yavdat Il’yasov Thomas Runst	5
+	Estimates near the boundary for solutions of elliptic partial differential equations satisfying general boundary conditions. I	1959	Shmuel Agmon Avron Douglis Louis Nirenberg	5
+	Multiple positive solutions of some quasilinear neumann problems	2000	Stanislav I. Pohožaev Лаурент Верон	5
+	On nonlocal existence results for elliptic equations with convex–concave nonlinearities	2005	Yavdat Il’yasov	5
+	A Picone's identity for the p-Laplacian and applications	1998	W. Allegretto Huang Xi	5
+ PDF Chat	Symmetry results for reaction-diffusion equations	1993	Hans G. Kaper Man Kam Kwong Yi Li	5
+ PDF Chat	Free boundary problems for Emden-Fowler equations	1990	Hans G. Kaper Man Kam Kwong	5
+	Topological Methods in the Theory of Nonlinear Integral Equations.	1968	E. H. Rothe M. A. Krasnosel’skii A. H. Armstrong J. Burlak	5
+ PDF Chat	Symmetry of Ground States of Quasilinear Elliptic Equations	1999	James Serrin Henghui Zou	5
+	On the existence of positive solutions and solutions with compact support for a spectral nonlinear elliptic problem with strong absorption	2015	Jesús Ildefonso Díaz Díaz Jesús Hernández Yavdat Il’yasov	5
+	Elliptic Problems with Nonlinearities Indefinite in Sign	1996	Stan Alama Gabriella Tarantello	5
+ PDF Chat	Maximal existence domains of positive solutions for two-parametric systems of elliptic equations	2015	Vladimir Bobkov Yavdat Il’yasov	5
+	Nonlinear partial differential equations and free boundaries	1985	Jesús Ildefonso Díaz Díaz	5
+	Computation of maximal turning points to nonlinear equations by nonsmooth optimization	2015	Yavdat Il’yasov Aleksandr Ivanov	5
+	On nonlocal calculation for inhomogeneous indefinite Neumann boundary value problems	2004	Yavdat Il’yasov Thomas Runst	4
+ PDF Chat	On the exact multiplicity of stable ground states of non-Lipschitz semilinear elliptic equations for some classes of starshaped sets	2019	Jesús Ildefonso Díaz Díaz Jesús Hernández Y.Sh. Ilyasov	4
+	Symmetry in an elliptic problem and the blow—up set of	1996	Carmen Cortázar Manuel Elqueta Patricio Felmer	4
+	Methods of Nonlinear Analysis	2013	Pavel Drábek Jaroslav Milota	4
+ PDF Chat	On a class of nonlinear second-order differential equations	1960	Zeev Nehari	4
+	On the variational principle	1974	Ivar Ekeland	4
+ PDF Chat	On the positive solutions of semilinear equations $\Delta u+\lambda u-hu\sp p=0$ on the compact manifolds	1992	Tiancheng Ouyang	4
+	Fixed Point Equations and Nonlinear Eigenvalue Problems in Ordered Banach Spaces	1976	Herbert Amann	4
+	On indefinite superlinear elliptic equations	1996	Hossein Tehrani	4
+	Global bifurcation and continua of nonnegative solutions for a quasilinear elliptic problem	1999	Jesús Ildefonso Díaz Díaz Jesús Hernández	4
+	Branches of positive and free boundary solutions for some singular quasilinear elliptic problems	2008	Jesús Ildefonso Díaz Díaz Jesús Hernández Francisco J. Mancebo	4