Edit Profile (opens in new tab) Gasiński, Leszek Co-Author Distance Author ID: gasinski.leszek Published as: Gasiński, Leszek; Gasinski, Leszek; Gasiński, L.; Gasińki, Leszek more...less External Links: MGP · Wikidata · GND · IdRef Documents Indexed: 176 Publications since 1997, including 4 Books and 1 Additional arXiv Preprint Reviewing Activity: 263 Reviews Co-Authors: 36 Co-Authors with 158 Joint Publications 1,327 Co-Co-Authors all top 5 Co-Authors 17 single-authored 124 Papageorgiou, Nikolaos S. 12 Filippakis, Michael E. 11 Bai, Yunru 11 Zeng, Shengda 10 Winkert, Patrick 7 Ochal, Anna 5 Denkowski, Zdzislaw 4 Migórski, Stanisław 3 Candito, Pasquale 3 Kalita, Piotr 3 Krech, Ireneusz 3 Liu, Zhenhai 3 Peng, Zijia 3 Santos, João R. jun. 2 Crespo-Blanco, Ángel 2 Kim, Yunho 2 Klimczak, Liliana 2 Livrea, Roberto 2 O’Regan, Donal 2 Shillor, Meir 2 Smołka, Maciej 1 Barboteu, Mikaël 1 Bartosz, Krzysztof 1 Cen, Jinxia 1 Harjulehto, Petteri 1 Júnior, João R. Santos 1 Liu, Yongjian 1 Motreanu, Dumitru 1 Nguyen Van Thien 1 Petiurenko, Anna 1 Rădulescu, Vicenţiu D. 1 Siciliano, Gaetano 1 Szafraniec, Paweł 1 Vetro, Calogero 1 Winowski, Krzysztof 1 Zhang, Youpei all top 5 Serials 16 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 9 Journal of Mathematical Analysis and Applications 5 Journal of Global Optimization 5 Discrete and Continuous Dynamical Systems 5 Communications on Pure and Applied Analysis 4 Journal of Differential Equations 4 Zeitschrift für Analysis und ihre Anwendungen 4 Nonlinear Analysis. Real World Applications 4 Acta Mathematica Scientia. Series B. (English Edition) 4 Advanced Nonlinear Studies 3 Mathematische Nachrichten 3 Proceedings of the Edinburgh Mathematical Society. Series II 3 Publicationes Mathematicae Debrecen 3 The Journal of Geometric Analysis 3 Dynamic Systems and Applications 3 Calculus of Variations and Partial Differential Equations 3 Positivity 3 Communications in Nonlinear Science and Numerical Simulation 2 Applicable Analysis 2 Bulletin of the Australian Mathematical Society 2 Acta Scientiarum Mathematicarum 2 Applied Mathematics and Computation 2 Funkcialaj Ekvacioj. Serio Internacia 2 Rendiconti del Circolo Matemàtico di Palermo. Serie II 2 Stochastic Analysis and Applications 2 Atti del Seminario Matematico e Fisico dell’Università di Modena 2 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 2 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 2 Electronic Journal of Differential Equations (EJDE) 2 Bulletin of the Belgian Mathematical Society - Simon Stevin 2 Journal of Convex Analysis 2 Abstract and Applied Analysis 2 Journal of Dynamical and Control Systems 2 Journal of Nonlinear and Convex Analysis 2 Discussiones Mathematicae. Differential Inclusions, Control and Optimization 2 Boundary Value Problems 2 Complex Variables and Elliptic Equations 2 Series in Mathematical Analysis and Applications 2 Discrete and Continuous Dynamical Systems. Series S 2 Advances in Calculus of Variations 2 Evolution Equations and Control Theory 2 Advances in Nonlinear Analysis 2 Problem Books in Mathematics 1 Computers & Mathematics with Applications 1 Annali di Matematica Pura ed Applicata. Serie Quarta 1 Applied Mathematics and Optimization 1 Bulletin of the London Mathematical Society 1 Canadian Journal of Mathematics 1 Canadian Mathematical Bulletin 1 Czechoslovak Mathematical Journal 1 Journal of Functional Analysis 1 Journal of Optimization Theory and Applications 1 Mathematica Scandinavica 1 Monatshefte für Mathematik 1 Results in Mathematics 1 Yokohama Mathematical Journal 1 Acta Mathematicae Applicatae Sinica. English Series 1 Optimization 1 Applied Mathematics Letters 1 European Journal of Applied Mathematics 1 Advances in Mathematical Sciences and Applications 1 Set-Valued Analysis 1 Zeszyty Naukowe Uniwersytetu Jagiellońskiego. Universitatis Iagellonicae Acta Mathematica 1 NoDEA. Nonlinear Differential Equations and Applications 1 Annales Academiae Scientiarum Fennicae. Mathematica 1 Mathematics and Mechanics of Solids 1 Acta Mathematica Sinica. English Series 1 Communications in Contemporary Mathematics 1 Annales Henri Poincaré 1 Journal of Evolution Equations 1 Dynamical Systems 1 Discrete and Continuous Dynamical Systems. Series B 1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 1 Dynamics of Partial Differential Equations 1 Journal of Fixed Point Theory and Applications 1 Set-Valued and Variational Analysis 1 Kyoto Journal of Mathematics 1 Bulletin of Mathematical Sciences 1 Open Mathematics all top 5 Fields 129 Partial differential equations (35-XX) 40 Calculus of variations and optimal control; optimization (49-XX) 33 Global analysis, analysis on manifolds (58-XX) 29 Ordinary differential equations (34-XX) 24 Operator theory (47-XX) 6 Functional analysis (46-XX) 6 Mechanics of deformable solids (74-XX) 5 Measure and integration (28-XX) 2 General and overarching topics; collections (00-XX) 2 Real functions (26-XX) 2 General topology (54-XX) 2 Probability theory and stochastic processes (60-XX) 1 Potential theory (31-XX) 1 Integral equations (45-XX) 1 Mechanics of particles and systems (70-XX) 1 Optics, electromagnetic theory (78-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 154 Publications have been cited 1,898 times in 851 Documents Cited by ▼ Year ▼ Nonlinear analysis. Zbl 1086.47001 Gasiński, Leszek; Papageorgiou, Nikolaos S. 185 2006 Nonsmooth critical point theory and nonlinear boundary value problems. Zbl 1058.58005 Gasiński, Leszek; Papageorgiou, Nikolaos S. 143 2005 Existence and uniqueness results for double phase problems with convection term. Zbl 1435.35172 Gasiński, Leszek; Winkert, Patrick 94 2020 Existence results for double phase implicit obstacle problems involving multivalued operators. Zbl 1453.35070 Zeng, Shengda; Bai, Yunru; Gasiński, Leszek; Winkert, Patrick 75 2020 Exercises in analysis. II: Nonlinear analysis. Zbl 1351.00006 Gasiński, Leszek; Papageorgiou, Nikolaos S. 73 2016 Constant sign solutions for double phase problems with superlinear nonlinearity. Zbl 1437.35233 Gasiński, Leszek; Winkert, Patrick 69 2020 A new class of double phase variable exponent problems: existence and uniqueness. Zbl 1489.35041 Crespo-Blanco, Ángel; Gasiński, Leszek; Harjulehto, Petteri; Winkert, Patrick 55 2022 Sign changing solution for a double phase problem with nonlinear boundary condition via the Nehari manifold. Zbl 1458.35149 Gasiński, Leszek; Winkert, Patrick 52 2021 Two bounded solutions of opposite sign for nonlinear hemivariational inequalities at resonance. Zbl 1027.35041 Gasiński, L.; Papageorgiou, N. S. 50 2003 Constant sign and nodal solutions for superlinear double phase problems. Zbl 1478.35118 Gasiński, Leszek; Papageorgiou, Nikolaos S. 47 2021 Positive solutions for nonlinear elliptic problems with dependence on the gradient. Zbl 1372.35111 Gasiński, Leszek; Papageorgiou, Nikolaos S. 45 2017 Anisotropic nonlinear Neumann problems. Zbl 1271.35011 Gasiński, Leszek; Papageorgiou, Nikolaos S. 42 2011 Multiple solutions for nonlinear coercive problems with a nonhomogeneous differential operator and a nonsmooth potential. Zbl 1258.35075 Gasiński, Leszek; Papageorgiou, Nikolaos S. 41 2012 Existence and multiplicity of solutions for Neumann \(p\)-Laplacian-type equations. Zbl 1169.35028 Gasiński, Leszek; Papageorgiou, Nikolaos S. 40 2008 Positive solutions for the Robin \(p\)-Laplacian problem with competing nonlinearities. Zbl 1411.35101 Gasiński, Leszek; Papageorgiou, Nikolaos S. 36 2019 Existence of solutions for double phase obstacle problems with multivalued convection term. Zbl 1467.35159 Zeng, Shengda; Gasiński, Leszek; Winkert, Patrick; Bai, Yunru 35 2021 Exercises in analysis. Part 1. Zbl 1298.00007 Gasiński, Leszek; Papageorgiou, Nikolaos S. 34 2014 Nodal and multiple constant sign solutions for resonant \(p\)-Laplacian equations with a nonsmooth potential. Zbl 1176.35088 Gasiński, Leszek; Papageorgiou, Nikolaos S. 31 2009 Convergence analysis for double phase obstacle problems with multivalued convection term. Zbl 1467.35129 Zeng, Shengda; Bai, Yunru; Gasiński, Leszek; Winkert, Patrick 31 2021 Bifurcation-type results for nonlinear parametric elliptic equations. Zbl 1242.35035 Gasińki, Leszek; Papageorgiou, Nikolaos S. 27 2012 Dirichlet (\(p,q\))-equations at resonance. Zbl 1279.35051 Gasiński, Leszek; Papageorgiou, Nikolaos S. 20 2014 Nonlinear elliptic equations with singular terms and combined nonlinearities. Zbl 1247.35033 Gasiński, Leszek; Papageorgiou, Nikolaos S. 18 2012 Existence results for evolutionary inclusions and variational-hemivariational inequalities. Zbl 1317.35135 Gasiński, Leszek; Migórski, Stanisław; Ochal, Anna 16 2015 A pair of positive solutions for the Dirichlet \(p(z)\)-Laplacian with concave and convex nonlinearities. Zbl 1277.35182 Gasiński, Leszek; Papageorgiou, Nikolaos S. 16 2013 Nonlinear nonhomogeneous Robin problems with dependence on the gradient. Zbl 1407.35083 Bai, Yunru; Gasiński, Leszek; Papageorgiou, Nikolaos S. 16 2018 Asymmetric \(8(p,2)\)-equations with double resonance. Zbl 1380.35091 Gasiński, Leszek; Papageorgiou, Nikolaos S. 15 2017 A pair of positive solutions for \((p, q)\)-equations with combined nonlinearities. Zbl 1273.35127 Gasiński, Leszek; Papageorgiou, Nikolaos S. 14 2014 Solutions and multiple solutions for quasilinear hemivariational inequalities at resonance. Zbl 0995.35025 Gasiński, Leszek; Papageorgiou, Nikolaos S. 13 2001 Multiplicity results for nonlinear Neumann problems. Zbl 1209.35161 Filippakis, Michael; Gasiński, Leszek; Papageorgiou, Nikolaos S. 13 2006 A variational approach to nonlinear logistic equations. Zbl 1318.35011 Gasiński, Leszek; O’Regan, Donal; Papageorgiou, Nikolaos S. 13 2015 On the existence of multiple periodic solutions for equations driven by the \(p\)-Laplacian and with a non-smooth potential. Zbl 1046.34070 Gasiński, Leszek; Papageorgiou, Nikolaos S. 13 2003 Multiplicity of positive solutions for an equation with degenerate nonlocal diffusion. Zbl 1442.35121 Gasiński, Leszek; Santos Júnior, João R. 13 2019 Multiplicity of positive solutions for eigenvalue problems of \((p,2)\)-equations. Zbl 1297.35161 Gasiński, Leszek; Papageorgiou, Nikolaos S. 13 2012 Existence and multiplicity of solutions for semilinear hemivariational inequalities at resonance. Zbl 1159.35374 Denkowski, Zdzisław; Gasiński, Leszek; Papageorgiou, Nikolaos S. 12 2007 Dynamic thermoviscoelastic problem with friction and damage. Zbl 1334.74062 Gasiński, Leszek; Ochal, Anna 12 2015 On the existence of positive solutions for hemivariational inequalities driven by the \(p\)-Laplacian. Zbl 1330.35180 Filippakis, Michael; Gasiński, Leszek; Papageorgiou, Nikolaos S. 11 2005 Hemivariational inequality approach to evolutionary constrained problems on star-shaped sets. Zbl 1440.47048 Gasiński, Leszek; Liu, Zhenhai; Migórski, Stanisław; Ochal, Anna; Peng, Zijia 11 2015 Nonlinear elliptic equations with a jumping reaction. Zbl 1346.35066 Gasiński, Leszek; Papageorgiou, Nikolaos S. 11 2016 Nonlinear hemivariational inequalities at resonance. Zbl 0956.49006 Gasiński, Leszek; Papageorgiou, Nikolaos S. 10 2000 Multiple solutions for semilinear hemivariational inequalities at resonance. Zbl 1012.35017 Gasiński, Leszek; Papageorgiou, Nikolaos S. 10 2001 Variational-hemivariational approach to a quasistatic viscoelastic problem with normal compliance, friction and material damage. Zbl 1325.47144 Gasiński, Leszek; Ochal, Anna; Shillor, Meir 10 2015 An existence theorem for wave-type hyperbolic hemivariational inequalities. Zbl 1003.49006 Gasiński, Leszek; Smołka, Maciej 10 2002 Positive solutions for resonant boundary value problems with the scalar \(p\)-Laplacian and nonsmooth potential. Zbl 1119.49016 Gasiński, Leszek 9 2007 Existence of solutions for hyperbolic hemivariational inequalities. Zbl 1022.49014 Gasiński, Leszek 9 2002 Nontrivial solutions for resonant hemivariational inequalities. Zbl 1152.35024 Denkowski, Zdzisław; Gasiński, Leszek; Papageorgiou, Nikolaos S. 9 2006 Multiplicity of solutions for Neumann problems with an indefinite and unbounded potential. Zbl 1268.35064 Gasiński, Leszek; Papageorgiou, Nikolaos S. 9 2013 Multiplicity theorems for periodic systems with a \(p\)-Laplacian-like operator. Zbl 1129.34007 Gasiński, Leszek 8 2007 An existence theorem for nonlinear hemivariational inequalities at resonance. Zbl 0977.35054 Gasiński, Leszek; Papageorgiou, Nikolaos S. 8 2001 Nonlinear second-order multivalued boundary value problems. Zbl 1052.34022 Gasiński, Leszek; Papageorgiou, Nikolaos S. 8 2003 Three nontrivial solutions for periodic problems with the \(p\)-Laplacian and a \(p\)-superlinear nonlinearity. Zbl 1172.34011 Gasiński, Leszek; Papageorgiou, Nikolaos S. 8 2009 Quasistatic thermoviscoelastic problem with normal compliance, multivalued friction and wear diffusion. Zbl 1331.74042 Gasiński, Leszek; Ochal, Anna; Shillor, Meir 8 2016 Multiple solutions for a class of nonlinear Neumann eigenvalue problems. Zbl 1292.35176 Gasiński, Leszek; Papageorgiou, Nikolaos S. 8 2014 Nonlinear Dirichlet problems with the combined effects of singular and convection terms. Zbl 1418.35194 Bai, Yunru; Gasinski, Leszek; Papageorgiou, Nikolaos S. 8 2019 Nonexistence and multiplicity of positive solutions for an equation with degenerate nonlocal diffusion. Zbl 1453.35067 Gasiński, Leszek; Júnior, João R. Santos 8 2020 Existence of three nontrivial smooth solutions for nonlinear resonant Neumann problems driven by the \(p\)-Laplacian. Zbl 1202.35109 Gasinski, Leszek; Papageorgiou, Nikolaos S. 8 2010 Multiplicity of nontrivial solutions for elliptic equations with nonsmooth potential and resonance at higher eigenvalues. Zbl 1173.35421 Gasiński, Leszek; Motreanu, Dumitru; Papageorgiou, Nikolaos S. 6 2006 Existence of solutions and of multiple solutions for eigenvalue problems of hemivariational inequalities. Zbl 0997.49011 Gasiński, Leszek; Papageorgiou, Nikolaos S. 6 2001 A multiplicity result for nonlinear second order periodic equations with nonsmooth potential. Zbl 1056.47056 Gasiński, Leszek; Papageorgiou, Nikolaos S. 6 2002 Evolution hemivariational inequalities with hysteresis. Zbl 1050.49005 Gasiński, Leszek 6 2004 Multiple positive solutions for eigenvalue problems of hemivariational inequalities. Zbl 1151.35332 Filippakis, Michael; Gasiński, Leszek; Papageorgiou, Nikolaos S. 6 2006 A multiplicity result for semilinear resonant elliptic problems with nonsmooth potential. Zbl 1190.35066 Filippakis, Michael; Gasiński, Leszek; Papageorgiou, Nikolaos S. 6 2005 Nonhomogeneous nonlinear Dirichlet problems with a \(p\)-superlinear reaction. Zbl 1246.35087 Gasiński, Leszek; Papageorgiou, Nikolaos S. 6 2012 Positive solutions for nonlinear nonhomogeneous Robin problems. Zbl 1332.35094 Gasiński, Leszek; O’Regan, Donal; Papageorgiou, Nikolaos S. 6 2015 Neumann problems resonant at zero and infinity. Zbl 1276.35065 Gasiński, Leszek; Papageorgiou, Nikolaos S. 6 2012 Nonlinear hemivariational inequalities with eigenvalues near zero. Zbl 1144.35453 Gasiński, Leszek; Papageorgiou, Nikolaos S. 6 2005 Existence of solutions for wave-type hemivariational inequalities with noncoercive viscosity damping. Zbl 1003.49005 Gasiński, Leszek; Smołka, Maciej 6 2002 On a nonlinear parametric Robin problem with a locally defined reaction. Zbl 1426.35106 Gasiński, Leszek; Papageorgiou, Nikolaos S. 6 2019 Nonlinear nonhomogeneous Robin problems with convection. Zbl 1422.35089 Candito, Pasquale; Gasiński, Leszek; Papageorgiou, Nikolaos S. 6 2019 Quasilinear hemivariational inequalities with strong resonance at infinity. Zbl 1035.35047 Filippakis, Michael E.; Gasinski, Leszek; Papageorgiou, Nikolaos S. 5 2004 Positive solutions for nonlinear periodic problems with the scalar \(p\)-Laplacian. Zbl 1172.34005 Denkowski, Zdzisław; Gasiński, Leszek; Papageorgiou, Nikolaos S. 5 2008 Resonant equations with the Neumann \(p\)-Laplacian plus an indefinite potential. Zbl 1308.35117 Gasiński, Leszek; Papageorgiou, Nikolaos S. 5 2015 Positive solutions for the generalized nonlinear logistic equations. Zbl 1338.35145 Gasiński, Leszek; Papageorgiou, Nikolaos S. 5 2016 Nonlinear nonhomogeneous Robin problems with gradient dependent reaction. Zbl 1454.35168 Gasiński, Leszek; Krech, Ireneusz; Papageorgiou, Nikolaos S. 5 2020 On generalized logistic equations with a non-homogeneous differential operator. Zbl 1293.35110 Gasiński, Leszek; Papageorgiou, Nikolaos S. 5 2014 \(W^{1, p}\) versus \(C^1\): the nonsmooth case involving critical growth. Zbl 1471.35111 Bai, Yunru; Gasiński, Leszek; Winkert, Patrick; Zeng, Shengda 5 2020 Pairs of nontrivial solutions for resonant Neumann problems. Zbl 1260.35062 Gasiński, Leszek; Papageorgiou, Nikolaos S. 5 2013 Existence of positive and of multiple solutions for nonlinear periodic problems. Zbl 1120.34012 Denkowski, Zdzisław; Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2007 Multiplicity theorems for scalar periodic problems at resonance with \(p\)-Laplacian-like operator. Zbl 1139.34006 Gasiński, Leszek 4 2007 Optimal shape design problems for a class of systems described by parabolic hemivariational inequality. Zbl 0905.49009 Gasiński, L. 4 1998 Multiple solutions for nonlinear Neumann problems with asymmetric reaction, via Morse theory. Zbl 1233.35083 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2011 Nontrivial solutions for a class of resonant \(p\)-Laplacian Neumann problems. Zbl 1180.35257 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2009 On nonlinear elliptic hemivariational inequalities of second order. Zbl 1078.47036 Gasiński, Leszek; Papageorgiu, Nikolaos S. 4 2004 Dirichlet problems with double resonance and an indefinite potential. Zbl 1254.35098 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2012 On quasi-static contact problem with generalized Coulomb friction, normal compliance and damage. Zbl 1387.74084 Gasiński, Leszek; Kalita, Piotr 4 2016 Positive solutions for nonlinear singular superlinear elliptic equations. Zbl 1432.35098 Bai, Yunru; Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2019 Existence and uniqueness of positive solutions for the Neumann \(p\)-Laplacian. Zbl 1276.35088 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2013 Nontrivial solutions for Neumann problems with an indefinite linear part. Zbl 1202.35100 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2010 Nonlocal double phase complementarity systems with convection term and mixed boundary conditions. Zbl 1497.35142 Liu, Zhenhai; Zeng, Shengda; Gasiński, Leszek; Kim, Yun-Ho 4 2022 Eigenvalue problems and their perturbations for the weighted \((p,q)\)-Laplacian. Zbl 1479.35387 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2021 Multiplicity of positive solutions for a degenerate nonlocal problem with \(p\)-Laplacian. Zbl 1475.35135 Candito, Pasquale; Gasiński, Leszek; Livrea, Roberto; Santos Júnior, João R. 4 2022 Multiple solutions for nonlinear Dirichlet problems with concave terms. Zbl 1284.35173 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2013 Multiplicity theorems for \((p,2)\)-equations. Zbl 1474.35251 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2017 A class of evolution variational inequalities with nonconvex constraints. Zbl 07111797 Peng, Zijia; Gasiński, Leszek; Migórski, Stanisław; Ochal, Anna 4 2019 Three solutions for parametric problems with nonhomogeneous \((a,2)\)-type differential operators and reaction terms sublinear at zero. Zbl 1439.35166 Candito, Pasquale; Gasiński, Leszek; Livrea, Roberto 4 2019 Evolution hemivariational inequality with hysteresis operator in higher order term. Zbl 1152.47058 Gasiński, Leszek 3 2008 Multiple solutions for asymptotically \((p-1)\)-homogeneous \(p\)-Laplacian equations. Zbl 1238.35029 Gasiński, Leszek; Papageorgiou, Nikolaos S. 3 2012 Existence and multiplicity of solutions for second order periodic systems with the \(p\)-Laplacian and a nonsmooth potential. Zbl 1187.34020 Gasiński, Leszek; Papageorgiou, Nikolaos S. 3 2009 Strongly nonlinear multivalued boundary value problems. Zbl 1034.34017 Gasiński, Leszek; Papageorgiou, Nikolaos S. 3 2003 Strongly resonant semilinear and quasilinear hemivariational inequalities. Zbl 1027.35042 Gasiński, Leszek; Papageorgiou, Nikolaos S. 3 2002 Existence result for hyperbolic hemivariational inequalities. Zbl 1042.49511 Gasiński, Leszek 3 2001 Positive solutions for a class of nonlinear parametric Robin problems. Zbl 07797027 Gasiński, Leszek; Papageorgiou, Nikolaos S.; Zhang, Youpei 1 2024 Convergence analysis of a power penalty approach for a class of nonlocal double phase complementarity systems. Zbl 1503.35074 Liu, Yongjian; Zeng, Shengda; Gasiński, Leszek; Kim, Yun-Ho 1 2023 A new class of double phase variable exponent problems: existence and uniqueness. Zbl 1489.35041 Crespo-Blanco, Ángel; Gasiński, Leszek; Harjulehto, Petteri; Winkert, Patrick 55 2022 Nonlocal double phase complementarity systems with convection term and mixed boundary conditions. Zbl 1497.35142 Liu, Zhenhai; Zeng, Shengda; Gasiński, Leszek; Kim, Yun-Ho 4 2022 Multiplicity of positive solutions for a degenerate nonlocal problem with \(p\)-Laplacian. Zbl 1475.35135 Candito, Pasquale; Gasiński, Leszek; Livrea, Roberto; Santos Júnior, João R. 4 2022 Nonlinear nonhomogeneous obstacle problems with multivalued convection term. Zbl 1485.35160 Zeng, Shengda; Bai, Yunru; Gasiński, Leszek 3 2022 Sign changing solution for a double phase problem with nonlinear boundary condition via the Nehari manifold. Zbl 1458.35149 Gasiński, Leszek; Winkert, Patrick 52 2021 Constant sign and nodal solutions for superlinear double phase problems. Zbl 1478.35118 Gasiński, Leszek; Papageorgiou, Nikolaos S. 47 2021 Existence of solutions for double phase obstacle problems with multivalued convection term. Zbl 1467.35159 Zeng, Shengda; Gasiński, Leszek; Winkert, Patrick; Bai, Yunru 35 2021 Convergence analysis for double phase obstacle problems with multivalued convection term. Zbl 1467.35129 Zeng, Shengda; Bai, Yunru; Gasiński, Leszek; Winkert, Patrick 31 2021 Eigenvalue problems and their perturbations for the weighted \((p,q)\)-Laplacian. Zbl 1479.35387 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2021 Topological properties of the solution sets for parametric nonlinear Dirichlet problems. Zbl 1473.35322 Zeng, Shengda; Gasiński, Leszek; Nguyen, Van Thien; Bai, Yunru 2 2021 Schrödinger Robin problems with indefinite potential and logistic reaction. Zbl 1465.35154 Gasiński, Leszek; Papageorgiou, Nikolaos S.; Petiurenko, Anna 1 2021 Existence of solutions for implicit obstacle problems involving nonhomogeneous partial differential operators and multivalued terms. Zbl 1467.35128 Zeng, Shengda; Bai, Yunru; Gasiński, Leszek; Krech, Ireneusz 1 2021 Multiple solutions with sign information for a class of parametric superlinear \((p, 2)\)-equations. Zbl 1479.35294 Gasiński, Leszek; Papageorgiou, Nikolaos S. 1 2021 Existence and uniqueness results for double phase problems with convection term. Zbl 1435.35172 Gasiński, Leszek; Winkert, Patrick 94 2020 Existence results for double phase implicit obstacle problems involving multivalued operators. Zbl 1453.35070 Zeng, Shengda; Bai, Yunru; Gasiński, Leszek; Winkert, Patrick 75 2020 Constant sign solutions for double phase problems with superlinear nonlinearity. Zbl 1437.35233 Gasiński, Leszek; Winkert, Patrick 69 2020 Nonexistence and multiplicity of positive solutions for an equation with degenerate nonlocal diffusion. Zbl 1453.35067 Gasiński, Leszek; Júnior, João R. Santos 8 2020 Nonlinear nonhomogeneous Robin problems with gradient dependent reaction. Zbl 1454.35168 Gasiński, Leszek; Krech, Ireneusz; Papageorgiou, Nikolaos S. 5 2020 \(W^{1, p}\) versus \(C^1\): the nonsmooth case involving critical growth. Zbl 1471.35111 Bai, Yunru; Gasiński, Leszek; Winkert, Patrick; Zeng, Shengda 5 2020 Positive solutions for parametric \((p(z),q(z))\)-equations. Zbl 1480.35134 Gasiński, Leszek; Krech, Ireneusz; Papageorgiou, Nikolaos S. 1 2020 Positive solutions for the Robin \(p\)-Laplacian problem with competing nonlinearities. Zbl 1411.35101 Gasiński, Leszek; Papageorgiou, Nikolaos S. 36 2019 Multiplicity of positive solutions for an equation with degenerate nonlocal diffusion. Zbl 1442.35121 Gasiński, Leszek; Santos Júnior, João R. 13 2019 Nonlinear Dirichlet problems with the combined effects of singular and convection terms. Zbl 1418.35194 Bai, Yunru; Gasinski, Leszek; Papageorgiou, Nikolaos S. 8 2019 On a nonlinear parametric Robin problem with a locally defined reaction. Zbl 1426.35106 Gasiński, Leszek; Papageorgiou, Nikolaos S. 6 2019 Nonlinear nonhomogeneous Robin problems with convection. Zbl 1422.35089 Candito, Pasquale; Gasiński, Leszek; Papageorgiou, Nikolaos S. 6 2019 Positive solutions for nonlinear singular superlinear elliptic equations. Zbl 1432.35098 Bai, Yunru; Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2019 A class of evolution variational inequalities with nonconvex constraints. Zbl 07111797 Peng, Zijia; Gasiński, Leszek; Migórski, Stanisław; Ochal, Anna 4 2019 Three solutions for parametric problems with nonhomogeneous \((a,2)\)-type differential operators and reaction terms sublinear at zero. Zbl 1439.35166 Candito, Pasquale; Gasiński, Leszek; Livrea, Roberto 4 2019 Multiple solutions for \((p,2)\)-equations with resonance and concave terms. Zbl 1423.35126 Gasiński, Leszek; Papageorgiou, Nikolaos S. 3 2019 Nonlinear multivalued periodic systems. Zbl 1421.34017 Gasiński, Leszek; Papageorgiou, Nikolaos S. 3 2019 Positive solutions for nonlinear Robin problems with concave terms. Zbl 1436.35113 Gasiński, Leszek; Papageorgiou, Nikolaos S.; Winowski, Krzysztof 1 2019 Nonlinear Dirichlet problems with sign changing drift coefficient. Zbl 1421.35171 Gasiński, Leszek; Papageorgiou, Nikolaos S. 1 2019 Multivalued periodic Lienard systems. Zbl 1425.34043 Gasiński, Leszek; Papageorgiou, Nikolaos S. 1 2019 Nonlinear nonhomogeneous Robin problems with dependence on the gradient. Zbl 1407.35083 Bai, Yunru; Gasiński, Leszek; Papageorgiou, Nikolaos S. 16 2018 Analysis of a dynamic frictional contact problem for hyperviscoelastic material with non-convex energy density. Zbl 1404.74121 Barboteu, Mikaël; Gasiński, Leszek; Kalita, Piotr 3 2018 Optimal control for doubly nonlinear evolutionary inclusions. Zbl 1426.49004 Gasiński, Leszek; Migórski, Stanisław; Ochal, Anna; Peng, Zijia 3 2018 Nodal solutions for nonlinear non-homogeneous Robin problems with an indefinite potential. Zbl 1422.35050 Gasiński, Leszek; Papageorgiou, Nikolaos S. 3 2018 Resonant Robin problems with indefinite and unbounded potential. Zbl 1398.35088 Gasiński, Leszek; Papageorgiou, Nikolaos S. 2 2018 Periodic solutions for nonlinear nonmonotone evolution inclusions. Zbl 1374.34236 Gasiński, Leszek; Papageorgiou, Nikolaos S. 1 2018 Positive solutions for nonlinear elliptic problems with dependence on the gradient. Zbl 1372.35111 Gasiński, Leszek; Papageorgiou, Nikolaos S. 45 2017 Asymmetric \(8(p,2)\)-equations with double resonance. Zbl 1380.35091 Gasiński, Leszek; Papageorgiou, Nikolaos S. 15 2017 Multiplicity theorems for \((p,2)\)-equations. Zbl 1474.35251 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2017 Convergence of a time discretization for a nonlinear second-order inclusion. Zbl 1386.49011 Bartosz, Krzysztof; Gasiński, Leszek; Liu, Zhenhai; Szafraniec, Paweł 2 2017 Positive solutions for the Neumann \(p\)-Laplacian with superdiffusive reaction. Zbl 1379.35147 Gasiński, Leszek; Papageorgiou, Nikolaos S. 2 2017 Nonlinear Dirichlet problems with no growth restriction on the reaction. Zbl 1372.35098 Gasiński, Leszek; Klimczak, Liliana; Papageorgiou, Nikolaos S. 2 2017 Positive, extremal and nodal solutions for nonlinear parametric problems. Zbl 1372.35118 Gasiński, Leszek; Papageorgiou, Nikolaos S. 1 2017 Exercises in analysis. II: Nonlinear analysis. Zbl 1351.00006 Gasiński, Leszek; Papageorgiou, Nikolaos S. 73 2016 Nonlinear elliptic equations with a jumping reaction. Zbl 1346.35066 Gasiński, Leszek; Papageorgiou, Nikolaos S. 11 2016 Quasistatic thermoviscoelastic problem with normal compliance, multivalued friction and wear diffusion. Zbl 1331.74042 Gasiński, Leszek; Ochal, Anna; Shillor, Meir 8 2016 Positive solutions for the generalized nonlinear logistic equations. Zbl 1338.35145 Gasiński, Leszek; Papageorgiou, Nikolaos S. 5 2016 On quasi-static contact problem with generalized Coulomb friction, normal compliance and damage. Zbl 1387.74084 Gasiński, Leszek; Kalita, Piotr 4 2016 Nonlinear noncoercive Neumann problems. Zbl 1352.35020 Gasiński, Leszek; Klimczak, Liliana; Papageorgiou, Nikolaos S. 2 2016 Existence results for evolutionary inclusions and variational-hemivariational inequalities. Zbl 1317.35135 Gasiński, Leszek; Migórski, Stanisław; Ochal, Anna 16 2015 A variational approach to nonlinear logistic equations. Zbl 1318.35011 Gasiński, Leszek; O’Regan, Donal; Papageorgiou, Nikolaos S. 13 2015 Dynamic thermoviscoelastic problem with friction and damage. Zbl 1334.74062 Gasiński, Leszek; Ochal, Anna 12 2015 Hemivariational inequality approach to evolutionary constrained problems on star-shaped sets. Zbl 1440.47048 Gasiński, Leszek; Liu, Zhenhai; Migórski, Stanisław; Ochal, Anna; Peng, Zijia 11 2015 Variational-hemivariational approach to a quasistatic viscoelastic problem with normal compliance, friction and material damage. Zbl 1325.47144 Gasiński, Leszek; Ochal, Anna; Shillor, Meir 10 2015 Positive solutions for nonlinear nonhomogeneous Robin problems. Zbl 1332.35094 Gasiński, Leszek; O’Regan, Donal; Papageorgiou, Nikolaos S. 6 2015 Resonant equations with the Neumann \(p\)-Laplacian plus an indefinite potential. Zbl 1308.35117 Gasiński, Leszek; Papageorgiou, Nikolaos S. 5 2015 Parametric \(p\)-Laplacian equations with superlinear reactions. Zbl 1335.35033 Gasiński, Leszek; Papageorgiou, Nikolaos S. 1 2015 Nodal and multiple solutions for nonlinear elliptic equations involving a reaction with zeros. Zbl 1318.35053 Gasiński, Leszek; Papageorgiou, Nikolaos S. 1 2015 Extremal, nodal and stable solutions for nonlinear elliptic equations. Zbl 1353.35137 Gasiński, Leszek; Papageorgiou, Nikolaos S. 1 2015 Exercises in analysis. Part 1. Zbl 1298.00007 Gasiński, Leszek; Papageorgiou, Nikolaos S. 34 2014 Dirichlet (\(p,q\))-equations at resonance. Zbl 1279.35051 Gasiński, Leszek; Papageorgiou, Nikolaos S. 20 2014 A pair of positive solutions for \((p, q)\)-equations with combined nonlinearities. Zbl 1273.35127 Gasiński, Leszek; Papageorgiou, Nikolaos S. 14 2014 Multiple solutions for a class of nonlinear Neumann eigenvalue problems. Zbl 1292.35176 Gasiński, Leszek; Papageorgiou, Nikolaos S. 8 2014 On generalized logistic equations with a non-homogeneous differential operator. Zbl 1293.35110 Gasiński, Leszek; Papageorgiou, Nikolaos S. 5 2014 Positive solutions for parametric equidiffusive \(p\)-Laplacian equations. Zbl 1313.35085 Gasiński, Leszek; Papageorgiou, Nikolaos S. 3 2014 Multiplicity of solutions for Neumann problems resonant at any eigenvalue. Zbl 1296.35040 Gasiński, Leszek; Papageorgiou, Nikolaos S. 2 2014 A pair of positive solutions for the Dirichlet \(p(z)\)-Laplacian with concave and convex nonlinearities. Zbl 1277.35182 Gasiński, Leszek; Papageorgiou, Nikolaos S. 16 2013 Multiplicity of solutions for Neumann problems with an indefinite and unbounded potential. Zbl 1268.35064 Gasiński, Leszek; Papageorgiou, Nikolaos S. 9 2013 Pairs of nontrivial solutions for resonant Neumann problems. Zbl 1260.35062 Gasiński, Leszek; Papageorgiou, Nikolaos S. 5 2013 Existence and uniqueness of positive solutions for the Neumann \(p\)-Laplacian. Zbl 1276.35088 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2013 Multiple solutions for nonlinear Dirichlet problems with concave terms. Zbl 1284.35173 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2013 Nonlinear periodic equations driven by a nonhomogeneous differential operator. Zbl 1285.34013 Gasiński, Leszek; Papageorgiou, Nikolaos S. 2 2013 Multiple solutions for nonlinear coercive problems with a nonhomogeneous differential operator and a nonsmooth potential. Zbl 1258.35075 Gasiński, Leszek; Papageorgiou, Nikolaos S. 41 2012 Bifurcation-type results for nonlinear parametric elliptic equations. Zbl 1242.35035 Gasińki, Leszek; Papageorgiou, Nikolaos S. 27 2012 Nonlinear elliptic equations with singular terms and combined nonlinearities. Zbl 1247.35033 Gasiński, Leszek; Papageorgiou, Nikolaos S. 18 2012 Multiplicity of positive solutions for eigenvalue problems of \((p,2)\)-equations. Zbl 1297.35161 Gasiński, Leszek; Papageorgiou, Nikolaos S. 13 2012 Nonhomogeneous nonlinear Dirichlet problems with a \(p\)-superlinear reaction. Zbl 1246.35087 Gasiński, Leszek; Papageorgiou, Nikolaos S. 6 2012 Neumann problems resonant at zero and infinity. Zbl 1276.35065 Gasiński, Leszek; Papageorgiou, Nikolaos S. 6 2012 Dirichlet problems with double resonance and an indefinite potential. Zbl 1254.35098 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2012 Multiple solutions for asymptotically \((p-1)\)-homogeneous \(p\)-Laplacian equations. Zbl 1238.35029 Gasiński, Leszek; Papageorgiou, Nikolaos S. 3 2012 Dirichlet problems with an indefinite and unbounded potential and concave-convex nonlinearities. Zbl 1246.35075 Gasiński, Leszek; Papageorgiou, Nikolaos S. 1 2012 Positive solutions for nonlinear Neumann eigenvalue problems. Zbl 1358.35046 Gasiński, Leszek; Papageorgiou, Nikolaos S. 1 2012 Anisotropic nonlinear Neumann problems. Zbl 1271.35011 Gasiński, Leszek; Papageorgiou, Nikolaos S. 42 2011 Multiple solutions for nonlinear Neumann problems with asymmetric reaction, via Morse theory. Zbl 1233.35083 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2011 Existence of three nontrivial smooth solutions for nonlinear resonant Neumann problems driven by the \(p\)-Laplacian. Zbl 1202.35109 Gasinski, Leszek; Papageorgiou, Nikolaos S. 8 2010 Nontrivial solutions for Neumann problems with an indefinite linear part. Zbl 1202.35100 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2010 A multiplicity theorem for double resonant periodic problems. Zbl 1232.34066 Gasiński, Leszek; Papageorgiou, Nikolaos S. 2 2010 Multiple solutions for nonautonomous second order periodic systems. Zbl 1224.34012 Denkowski, Zdzisław; Gasiński, Leszek; Papageorgiou, Nikolaos S. 1 2010 Multiplicity of solutions for nonlinear elliptic equations with combined nonlinearities. Zbl 1218.35090 Gasiński, Leszek; Papageorgiou, S. 1 2010 Solutions and multiple solutions for periodic \(p\)-Laplacian systems with a non-smooth potential. Zbl 1219.34030 Gasiński, Leszek; Papageorgiou, Nikolaos S. 1 2010 Multiple solutions for noncoercive problems with the \(p\)-Laplacian. Zbl 1185.35079 Gasiński, Leszek; Papageorgiou, Nikolaos S. 1 2010 Nodal and multiple constant sign solutions for resonant \(p\)-Laplacian equations with a nonsmooth potential. Zbl 1176.35088 Gasiński, Leszek; Papageorgiou, Nikolaos S. 31 2009 Three nontrivial solutions for periodic problems with the \(p\)-Laplacian and a \(p\)-superlinear nonlinearity. Zbl 1172.34011 Gasiński, Leszek; Papageorgiou, Nikolaos S. 8 2009 Nontrivial solutions for a class of resonant \(p\)-Laplacian Neumann problems. Zbl 1180.35257 Gasiński, Leszek; Papageorgiou, Nikolaos S. 4 2009 Existence and multiplicity of solutions for second order periodic systems with the \(p\)-Laplacian and a nonsmooth potential. Zbl 1187.34020 Gasiński, Leszek; Papageorgiou, Nikolaos S. 3 2009 ...and 54 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 649 Authors 322 Papageorgiou, Nikolaos S. 100 Gasiński, Leszek 89 Rădulescu, Vicenţiu D. 64 Zeng, Shengda 59 Winkert, Patrick 43 Vetro, Calogero 38 Repovš, Dušan D. 33 Liu, Zhenhai 33 Vetro, Francesca 28 Bai, Yunru 25 Migórski, Stanisław 25 Motreanu, Dumitru 22 Staicu, Vasile 17 Ge, Bin 14 Marano, Salvatore Angelo 12 Cen, Jinxia 11 Aizicovici, Sergiu 11 He, Tieshan 11 Nguyen Van Thien 10 Hu, Shouchuan 10 Ochal, Anna 10 Yao, Jen-Chih 10 Yuan, Ziqing 9 Filippakis, Michael E. 9 Fiscella, Alessio 9 Kyritsi, Sophia Th. 9 Zhang, Youpei 8 Iannizzotto, Antonio 8 Liu, Yongjian 7 Barletta, Giuseppina 7 Candito, Pasquale 7 Jebelean, Petru 7 Livrea, Roberto 7 Papalini, Francesca 7 Tornatore, Elisabetta 7 Zhang, Chao 6 Benslimane, Omar 6 Carl, Siegfried 6 Figueiredo, Giovany Malcher 6 Kalita, Piotr 6 Mugnai, Dimitri 6 O’Regan, Donal 6 Peng, Zijia 6 Scapellato, Andrea 6 Yuan, Wenshuo 6 Zhang, Jian 6 Zhou, Yuying 5 Aberqi, Ahmed 5 Arora, Rakesh 5 Cao, Qinghai 5 Denkowski, Zdzislaw 5 Godoy, Tomás F. 5 Guarnotta, Umberto 5 Han, Jiangfeng 5 Ho, Ky 5 Huang, Yisheng 5 Khan, Akhtar Ali 5 Kim, Yunho 5 Marino, Greta 5 Motreanu, Viorica Venera 5 Mukherjee, Tuhina 5 Rocha, Eugénio A. M. 4 Alves, Claudianor Oliveira 4 Ambrosio, Vincenzo 4 Chen, Tao 4 Fragnelli, Genni 4 Han, Weimin 4 Huang, Lihong 4 Huang, Nan-Jing 4 Huang, Yehui 4 Jureczka, Michal 4 Leonardi, Salvatore 4 Molica Bisci, Giovanni 4 da Silva Montenegro, Marcelo 4 Mosconi, Sunra J. N. 4 Sciammetta, Angela 4 Stapenhorst, Matheus F. 4 Stegliński, Robert 4 Teng, Kaimin 4 Varga, Csaba György 4 Vilches, Emilio 3 Barboteu, Mikaël 3 Bonanno, Gabriele 3 Crespo-Blanco, Ángel 3 dos Santos, Gelson C. G. 3 Farkas, Csaba 3 Filippucci, Roberta 3 Guo, Pengfei 3 Halidias, Nikolaos 3 Harjulehto, Petteri 3 Kefi, Khaled 3 Krech, Ireneusz 3 Li, Chunqiu 3 Lisei, Hannelore 3 Liu, Wulong 3 Moroșanu, Gheorghe 3 Moussaoui, Abdelkrim 3 Pan, Hongjing 3 Pavlenko, Vyacheslav Nikolaevich 3 Potapov, Dmitriĭ Konstantinovich ...and 549 more Authors all top 5 Cited in 167 Serials 70 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 53 Journal of Mathematical Analysis and Applications 28 Nonlinear Analysis. 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