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dr hab. (D.Sc., Ph.D.)
Leszek Gasiński
orcid.org/0000-0001-8692-6442
profesor UKEN (pracownik badawczo-dydaktyczny) (associate professor)
Chair of Mathematical Analysis and Applications

room: 110

phone: 12 662-62-89

e-mail: leszek.gasinski@uken.krakow.pl

Consultation hours:

Konsultacje: poniedziałki i czwarteki 9:45-10:45 MSTeamsy: proszę o wczesniejszego emaila.

Classes hours:

Curriculum Vitae

Publications

Articles:

L. Gasiński, Y. Bai, N.S. Papageorgiou, Singular double phase equations with a sign changing reaction, Commun. Nonlinear Sci. Numer. Simul. 142 (2025), art. id: 108566
G Failla, L. Gasiński, A. Petiurenko, Existence and uniqueness of positive solutions for singular asymmetric multi-phase equations, Symmetry 17 (2025), art. id: 573
L. Gasiński, G Failla, N.S. Papageorgiou, M. Skupień , Existence and uniqueness of solutions for singular double phase equations, Appl. Anal. (2025), :
G Failla, L. Gasiński, N.S. Papageorgiou, Constant Sign and Nodal Solutions for Variable Exponent Double Phase Problem, Results Math. 80 (2025), 147-
F Borer, L. Gasiński, M Stapenhorst, P. Winkert, Least energy sign-changing solution for logarithmic double phase problems with nonlinear boundary condition, Calc. Var. 64 (2025), art no 258: 64
G Failla, L. Gasiński, N.S. Papageorgiou, Existence and Uniqueness of Solutions for Singular Double-Phase Variable Exponent Equations, Math. Methods Appl. Sci. 48 (2025), 14736-14749
M Carvalho, L. Gasiński, J.R. Santos Junior, E Silva, Quasilinear elliptic problems via nonlinear Rayleigh quotient, Asymptot. Anal. 145 (2025), 1706-1730
J.P.P. Da Silva, G Failla, L. Gasiński, N.S. Papageorgiou, Anisotropic singular logistic equations, Opuscula Math. 45 (2025), 765-783
Y. Bai, L. Gasiński, N.S. Papageorgiou, Positive solutions for singular problems with multivalued convection, Commun. Nonlinear Sci. Numer. Simul. 128 (2024), Art. no.: 107621
L. Gasiński, N.S. Papageorgiou, Y Zhang, Positive solutions for a class of nonlinear parametric Robin problems, Rend. Circ. Mat. Palermo (2) 73 (2024), 429-454
L. Gasiński, N.S. Papageorgiou, On an Anisotropic Logistic Equation, mathematics 12 (2024), Art. no.: 1280
L. Gasiński, N.S. Papageorgiou, An eigenvalue problem for the Dirichlet (p,q)-Laplacian, Complex Var. Elliptic Equ. 69 (2024), 1214-1223
Á Crespo-Blanco, L. Gasiński, P. Winkert, Least energy sign-changing solution for degenerate Kirchhoff double phase problems, J. Differential Equations 411 (2024), 51-89
L. Gasiński, G. Makrides, N.S. Papageorgiou, Anisotropic (p, q) Equation with Partially Concave Terms, Symmetry 16 (2024), 1188-
L. Gasiński, N.S. Papageorgiou, Double phase logistic equations with superdiffusive reaction, Nonlinear Anal. Real World Appl. 70 (2023), art no: 103782
Y. L. Liu, S. Zeng, L. Gasiński, Y.-H. K. Kim, Convergence analysis of a power penalty approach for a class of nonlocal double phase complementarity systems, J. Geom. Anal. 2023, art no: 33:6
S. Zeng, L. Gasiński, V.D. Radulescu, P. Winkert, Anisotropic and isotropic implicit obstacle problems with nonlocal terms and multivalued boundary conditions, Commun. Nonlinear Sci. Numer. Simul. 2023, art no: 106997
O. Andrusenko, L. Gasiński, N.S. Papageorgiou, Existence and nonexistence of positive solutions for perturbations of the anisotropic eigenvalue problem, Symmetry 2023, art no: 495
Y. Bai, L. Gasiński, N.S. Papageorgiou, Superlinear elliptic hemivariational inequalities, Hacet. J. Math. Stat. 52 (2023), 1631-1657
J Cen, L. Gasiński, C Vetro, S. Zeng, Parametric anisotropic double phase free boundary problems with nonlocal terms and convection: existence, stability and asymptotic behavior, Discrete Contin. Dyn. Syst. Ser. S 16 (2023), 3014-3034
L. Gasiński, N.S. Papageorgiou, Singular equations with variable exponents and concave-convex nonlinearities, Discrete Contin. Dyn. Syst. Ser. S 16 (2023), 1414-1434
P. Candito, L. Gasiński, R. Livrea, J.R. Santos Junior, Multiplicity of positive solutions for a degenerate nonlocal problem with p-Laplacian, Adv. Nonlinear Anal. 11 (2022), 357-368
S. Zeng, Y. Bai, L. Gasiński, Nonlinear nonhomogeneous obstacle problems with multivalued convection term, J. Geom. Anal. 32 (2022), 75-
Y. Bai, L. Gasiński, N.S. Papageorgiou, Nonlinear eigenvalue problems for the Dirichlet (p,2)-Laplacian, Axioms 11 (2022), 58-
Á Crespo-Blanco, L. Gasiński, P Harjulehto, P. Winkert, A new class of double phase variable exponent problems: Existence and uniqueness, J. Differential Equations 323 (2022), 182-228
L. Gasiński, J.R. Santos Junior, G Siciliano, Positive solutions for a class of nonlocal problems with possibly singular nonlinearity, J. Fixed Point Theory Appl. 24 (2022), 65-
L. Gasiński, N.S. Papageorgiou, A. Petiurenko, Schrödinger Robin problems with indefinite potential and logistic reaction, Complex Variables and Elliptic Equations 66 (2021), 118-143
S. Zeng, Y. Bai, L. Gasiński, P. Winkert, Convergence analysis for double phase obstacle problems with multivalued convection term, Adv. Nonlinear Anal. 10 (2021), 659-672
L. Gasiński, N.S. Papageorgiou, Constant sign and nodal solutions for superlinear double phase problems, Adv. Calc. Var. 14 (2021), 613-626
S. Zeng, L. Gasiński, V.T. Nguyen, Y. Bai, Topological properties of the solution sets for parametric nonlinear Dirichlet problems, Complex Var. Elliptic Equ. 66 (2021), 144-153
L. Gasiński, P. Winkert, Sign changing solution for a double phase problem with nonlinear boundary condition via the Nehari manifold, J. Differential Equations 274 (2021), 1037-1066
S. Zeng, Y. Bai, L. Gasiński, I. Krech, Existence of solutions for implicit obstacle problems involving nonhomogeneous partial differential operators and multivalued terms, Electron. J. Differential Equations 2021, 1-17
S. Zeng, L. Gasiński, P. Winkert, Y. Bai, Existence of solutions for double phase obstacle problems with multivalued convection term, J. Math. Anal. Appl. 501 (2021), 123997-
L. Gasiński, N.S. Papageorgiou, Multiple solutions with sign information for a class of parametric superlinear (p,2)-equations, Appl. Math. Optim. 83 (2021), 1523-1545
L. Gasiński, N.S. Papageorgiou, Eigenvalue problems and their perturbations for the weighted (p,q)-Laplacian, Commun. Nonlinear. Sci. Numer. Simulat. 101 (2021), 105887-
B. Deręgowska, L. Gasiński, N.S. Papageorgiou, A Multiplicity Theorem for Superlinear Double Phase Problems, 13 (2021), art id: 1556
L. Gasiński, P. Winkert, Constant sign solutions for double phase problems with superlinear nonlinearity, Nonlinear Anal. 195 (2020), Art. No.: 111739
L. Gasiński, P. Winkert, Existence and uniqueness results for double phase problems with convection term, J. Differential Equations 268 (2020), 4183-4193
L. Gasiński, I. Krech, N.S. Papageorgiou, Nonlinear nonhomogeneous Robin problems with gradient dependent reaction, Nonlinear Anal. Real World Appl. 55 (2020), Art. No.: 103135
Y. Bai, L. Gasiński, P. Winkert, S. Zeng, W^1,p versus C^1: The nonsmooth case involving critical growth, Bull. Math. Sci. 10 (2020), Art.id.: 2050009
L. Gasiński, I. Krech, N.S. Papageorgiou, Positive solutions for parametric (p(z), q(z))-equations, Open Math. 18 (2020), 1076-1096
L. Gasiński, J.R. Santos Junior, Nonexistence and multiplicity of positive solutions for an equation with degenerate nonlocal diffusion, Bull. Lond. Math. Soc. 52 (2020), 489-497
L. Gasiński, N.S. Papageorgiou, Resonant anisotropic (p,q)-equations, 2227-7390 8 (2020), 1332-
S. Zeng, Y. Bai, L. Gasiński, P. Winkert, Existence results for double phase implicit obstacle problems involving multivalued operators, Calc. Var. Partial Differential Equations 59 (2020), 176:1-176:18
L. Gasiński, P. Kalita, On dynamic contact problem with generalized Coulomb friction, normal compliance and damage, Evol. Equ. Control Theory 9 (2020), 1009-1026
L. Gasiński, N.S. Papageorgiou, Relaxation of optimal control problems driven by nonlinear evolution equations, Evol. Equ. Control Theory 9 (2020), 1027-1040
L. Gasiński, N.S. Papageorgiou, Nonlinear Dirichlet problems with sign changing drift coefficient, Appl. Math. Lett. 90 (2019), 209-214
L. Gasiński, N.S. Papageorgiou, On a nonlinear parametric Robin problem with a locally defined reaction, Nonlinear Anal. 185 (2019), 374-387
L. Gasiński, N.S. Papageorgiou, Multiple solutions for (p,2)-equations with resonance and concave terms, Results Math. 74:79 (2019), 1-34
L. Gasiński, N.S. Papageorgiou, Convergence theorems for adapted sequences of random sets, Stoch. Anal. Appl. 37 (2019), 189-218
Y. Bai, L. Gasiński, N.S. Papageorgiou, Nonlinear Dirichlet problems with the combined effects of singular and convection terms, Electron. J. Differential Equations 2019:57 (2019), 1-13
L. Gasiński, N.S. Papageorgiou, Multivalued periodic Lienard systems, J. Math. Anal. Appl. 477 (2019), 196-221
L. Gasiński, J.R. Santos Junior, Multiplicity of positive solutions for an equation with degenerate nonlocal diffusion, Comput. Math. Appl. 78 (2019), 136-143
P. Candito, L. Gasiński, N.S. Papageorgiou, Nonlinear nonhomogeneous Robin problems with convection, Ann. Acad. Sci. Fenn. Math. 44 (2019), 755-767
P. Candito, L. Gasiński, R. Livrea, Three solutions for parametric problems with nonhomogeneous (a,2)-type differential operators and reaction terms sublinear at zero, J. Math. Anal. Appl. 480 (2019), 1-24
Y. Bai, L. Gasiński, N.S. Papageorgiou, Positive solutions for nonlinear singular superlinear elliptic equations, Positivity 23 (2019), 761-778
L. Gasiński, N.S. Papageorgiou, K. Winowski, Positive solutions for nonlinear Robin problems with concave terms, J. Convex Anal. 26 (2019), 1145-1174