Edit Profile (opens in new tab) Górniewicz, Lech Co-Author Distance Author ID: gorniewicz.lech Published as: Górniewicz, Lech; Górniewicz, L.; Gorniewicz, Lech; Gorniewicz, L.; Gòrniewicz, Lech; Gòrniewicz, L. more...less External Links: MGP · Wikidata · IdRef Documents Indexed: 135 Publications since 1970, including 6 Books 4 Contributions as Editor Reviewing Activity: 203 Reviews Co-Authors: 43 Co-Authors with 112 Joint Publications 1,793 Co-Co-Authors all top 5 Co-Authors 25 single-authored 27 Andres, Jan 23 Ntouyas, Sotiris K. 19 Benchohra, Mouffak 12 Ouahab, Abdelghani 8 O’Regan, Donal 7 Granas, Andrzej 6 Kryszewski, Wojciech 6 Nistri, Paolo 5 Djebali, Smail 5 Gatsori, Efrosini P. 5 Ślosarski, Mirosław 4 Fournier, Gilles 4 Gabor, Grzegorz 4 Jezierski, Jerzy 3 Abbas, Said 3 Bryszewski, Jozef 3 De Blasi, Francesco Saverio 3 Gęba, Kazimierz 3 Pianigiani, Giulio 3 Plaskacz, Sławomir 2 Belmekki, Mohammed 2 Kaczynski, Tomasz 2 Marano, Salvatore Angelo 2 Pruszko, Tadeusz 2 Rozpłoch-Nowakowska, Danuta 1 Agarwal, Ravi P. 1 Arara, Amaria 1 Brown, Robert F. 1 Dylawerski, Grzegorz 1 Fišer, Jiří 1 Frigon, Marlène 1 Fryszkowski, Andrzej 1 Furi, Massimo 1 Górniewicz, Oskar 1 Ingarden, Roman Stanislaw 1 Jiang, Boju 1 Kucharski, Zygfryd 1 Lassonde, Marc 1 Lewicka, Marta 1 Peitgen, Heinz-Otto 1 Schmidt, Mirosław 1 Sficas, G. Y. 1 Zecca, Pietro all top 5 Serials 12 Topological Methods in Nonlinear Analysis 8 Fixed Point Theory 6 Bulletin de l’Académie Polonaise des Sciences, Série des Sciences Mathématiques, Astronomiques et Physiques 4 Journal of Mathematical Analysis and Applications 4 Reports on Mathematical Physics 4 Fundamenta Mathematicae 3 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 3 Topology and its Applications 3 Zeitschrift für Analysis und ihre Anwendungen 3 Journal de Mathématiques Pures et Appliquées. Neuvième Série 3 Bulletin of the Polish Academy of Sciences, Mathematics 3 Nonlinear Analysis Forum 3 Discussiones Mathematicae. Differential Inclusions, Control and Optimization 3 Fixed Point Theory and Applications 3 Lecture Notes in Nonlinear Analysis 2 Archivum Mathematicum 2 Zeszyty Naukowe Wydziału Matematyki, Fizyki i Chemii. Matematyka 2 Dynamic Systems and Applications 2 Bulletin de l’Académie Polonaise des Sciences. Série des Sciences Mathématiques 2 Comptes Rendus de l’Académie des Sciences. Série I 2 International Journal of Bifurcation and Chaos in Applied Sciences and Engineering 2 Journal of Nonlinear and Convex Analysis 2 Topological Fixed Point Theory and its Applications 2 Matematychnyĭ Visnyk Naukovogo Tovarystva Im. Shevchenka 1 Applicable Analysis 1 Bulletin of the Australian Mathematical Society 1 Rocky Mountain Journal of Mathematics 1 Annales Polonici Mathematici 1 Annales des Sciences Mathématiques du Québec 1 Control and Cybernetics 1 Dissertationes Mathematicae 1 Mathematische Nachrichten 1 Mathematica Slovaca 1 Numerical Functional Analysis and Optimization 1 Proceedings of the American Mathematical Society 1 Transactions of the American Mathematical Society 1 Mathematical and Computer Modelling 1 Panamerican Mathematical Journal 1 Bulletin of the Institute of Mathematics. Academia Sinica 1 Serdica 1 Bollettino della Unione Matemàtica Italiana. Serie VII. A 1 Bollettino della Unione Matemàtica Italiana. Serie VII. B 1 Analele Științifice ale Universității Al. I. Cuza din Iași. Serie Nouă. Matematică 1 Set-Valued Analysis 1 Zeszyty Naukowe Uniwersytetu Jagiellońskiego. Universitatis Iagellonicae Acta Mathematica 1 Opuscula Mathematica 1 Matematychni Studiï 1 Journal of Computational Analysis and Applications 1 Annales Mathematicae Silesianae 1 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis 1 Scientiae Mathematicae Japonicae 1 Banach Center Publications 1 De Gruyter Series in Nonlinear Analysis and Applications 1 Mathematics and its Applications (Dordrecht) 1 JP Journal of Fixed Point Theory and Applications 1 Set-Valued and Variational Analysis 1 Libertas Mathematica. New Series 1 Nonlinear Analysis. Theory, Methods & Applications all top 5 Fields 65 Ordinary differential equations (34-XX) 61 Operator theory (47-XX) 58 Algebraic topology (55-XX) 53 General topology (54-XX) 15 Systems theory; control (93-XX) 9 Dynamical systems and ergodic theory (37-XX) 7 Partial differential equations (35-XX) 7 Calculus of variations and optimal control; optimization (49-XX) 5 Global analysis, analysis on manifolds (58-XX) 4 General and overarching topics; collections (00-XX) 4 Real functions (26-XX) 3 Measure and integration (28-XX) 1 History and biography (01-XX) 1 Approximations and expansions (41-XX) 1 Integral equations (45-XX) 1 Convex and discrete geometry (52-XX) 1 Manifolds and cell complexes (57-XX) 1 Computer science (68-XX) 1 Statistical mechanics, structure of matter (82-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 113 Publications have been cited 1,392 times in 876 Documents Cited by ▼ Year ▼ Topological fixed point theory of multivalued mappings. Zbl 0937.55001 Górniewicz, Lech 215 1999 Topological fixed point theory of multivalued mappings. 2nd ed. Zbl 1107.55001 Górniewicz, Lech 158 2006 Topological fixed point principles for boundary value problems. Zbl 1029.55002 Andres, Jan; Górniewicz, Lech 119 2003 Homological methods in fixed-point theory of multi-valued maps. Zbl 0324.55002 Gorniewicz, Lech 50 1976 On the homotopy method in the fixed point index theory of multi-valued mappings of compact absolute neighborhood retracts. Zbl 0757.54019 Górniewicz, Lech; Granas, Andrzej; Kryszewski, Wojciech 48 1991 Boundary value problems on infinite intervals. Zbl 0936.34023 Andres, Jan; Gabor, Grzegorz; Górniewicz, Lech 36 1999 Solution sets for differential equations and inclusions. Zbl 1258.34002 Djebali, Smaïl; Górniewicz, Lech; Ouahab, Abdelghani 35 2013 Some general theorems in coincidence theory. I. Zbl 0482.55002 Gorniewicz, Lech; Granas, Andrzej 29 1981 Controllability of semilinear differential equations and inclusions via semigroup theory in Banach spaces. Zbl 1185.93016 Górniewicz, L.; Ntouyas, S. K.; O’Regan, D. 28 2005 Controllability results for impulsive functional differential inclusions. Zbl 1130.93310 Benchohra, M.; Górniewicz, L.; Ntouyas, S. K.; Ouahab, A. 27 2004 Approximation and fixed points for compositions of \(R_ \delta\)-maps. Zbl 0793.54015 Górniewicz, Lech; Lassonde, Marc 26 1994 Handbook of topological fixed point theory. Zbl 1067.55001 23 2005 Topological degree and periodic solutions of differential inclusions. Zbl 0936.34009 De Blasi, Francesco S.; Górniewicz, Lech; Pianigiani, Giulio 22 1999 On the solution sets of differential inclusions. Zbl 0609.34012 Górniewicz, Lech 21 1986 Existence theory for impulsive partial hyperbolic functional differential equations involving the Caputo fractional derivative. Zbl 1200.26004 Abbas, Saïd; Benchohra, Mouffak; Gòrniewicz, Lech 19 2010 Topological structure of solution sets to multi-valued asymptotic problems. Zbl 0974.34045 Andres, J.; Gabor, G.; Górniewicz, L. 19 2000 Existence and controllability results for first-and second-order functional semilinear differential inclusions with nonlocal conditions. Zbl 1123.34061 Górniewicz, L.; Ntouyas, S. K.; O’Regan, D. 18 2007 Topological approach to differential inclusions. Zbl 0834.34022 Górniewicz, Lech 18 1995 First-order periodic impulsive semilinear differential inclusions: existence and structure of solution sets. Zbl 1202.34110 Djebali, Smaïl; Górniewicz, Lech; Ouahab, Abdelghani 18 2010 A generalized Nielsen number and multiplicity results for differential inclusions. Zbl 0940.55007 Andres, Jan; Górniewicz, Lech; Jezierski, Jerzy 15 2000 Random topological degree and random differential inclusions. Zbl 1286.37053 Andres, Jan; Górniewicz, Lech 14 2012 Acyclicity of solution sets to functional inclusions. Zbl 1012.34011 Andres, Jan; Gabor, Grzegorz; Górniewicz, Lech 13 2002 Filippov-Ważewski theorems and structure of solution sets for first order impulsive semilinear functional differential inclusions. Zbl 1182.34087 Djebali, Smaïl; Górniewicz, Lech; Ouahab, Abdelghani 13 2008 Controllability of some nonlinear systems in Banach spaces (the fixed point theory approach). Zbl 1059.49001 Benchohra, Mofak; Górniewicz, Lech; Ntouyas, Sotiris 12 2003 The Lefschetz fixed point theorem for multi-valued maps of nonmetrizable spaces. Zbl 0342.55006 Fournier, Gilles; Gorniewicz, Lech 12 1976 Existence and structure of solution sets for impulsive differential inclusions. A survey. Zbl 1250.34002 Djebali, Smaïl; Górniewicz, Lech; Ouahab, Abdelghani 12 2012 Topological approach to differential inclusions on closed subset of \(\mathbb{R}{}^ n\). Zbl 0747.34013 Bielawski, R.; Górniewicz, L.; Plaskacz, S. 11 1992 Topological essentiality and differential inclusions. Zbl 0755.34013 Gorniewicz, Lech; Slosarski, Miroslaw 11 1992 Relative versions of the multivalued Lefschetz and Nielsen theorems and their application to admissible semi-flows. Zbl 0991.47040 Andres, Jan; Górniewicz, Lech; Jezierski, Jerzy 11 2000 Controllability results for nondensely defined semilinear functional differential equations. Zbl 1101.93007 Benchohra, M.; Górniewicz, L.; Ntouyas, S. K.; Ouahab, A. 10 2006 A Lefschetz-type fixed point theorem. Zbl 0306.55007 Gorniewicz, L. 10 1975 Topological structure of solution sets: current results. Zbl 1090.54014 Górniewicz, Lech 10 2000 Periodic points of multivalued mappings with applications to differential inclusions on tori. Zbl 1034.34014 Andres, Jan; Górniewicz, Lech; Jezierski, Jerzy 10 2003 Controllability results for evolution inclusions with non-local conditions. Zbl 1052.34073 Benchohra, M.; Gatsori, E. P.; Górniewicz, L.; Ntouyas, S. K. 10 2003 On the Banach contraction principle for multivalued mappings. Zbl 1019.47042 Andres, Jan; Górniewicz, Lech 10 2001 The Lefschetz fixed point theory for morphisms in topological vector spaces. Zbl 1031.55002 Górniewicz, Lech; Rozpłoch-Nowakowska, Danuta 10 2002 Sur la méthode de l’homotopie dans la théorie des points fixes pour les applications multivoques. II: L’indice dans les ANR-s compacts. (On the homotopy method in the fixed point theory for set-valued maps. II: The index in compact ANR-s). Zbl 0678.54033 Górniewicz, Lech; Granas, Andrzej; Kryszewski, Wojciech 10 1989 Sur la méthode de l’homotopie dans la théorie des point fixes pour les applications multivoques. I: Transversalité topologique. (On the homotopy method in fixed point theory for multivalued maps. I: Topological transversality). Zbl 0665.54030 Górniewicz, Lech; Granas, Andrzej; Kryszewski, Wojciech 10 1988 Functional differential equations with fractional order and infinite delay. Zbl 1162.26302 Belmekki, Mohammed; Benchohra, Mouffak; Gòrniewicz, Lech 9 2008 Topological structure of solution sets for impulsive differential inclusions in Fréchet spaces. Zbl 1215.34070 Djebali, Smaïl; Górniewicz, Lech; Ouahab, Abdelghani 9 2011 Controllability on infinite time horizon for first- and second-order functional differential inlcusions in Banach spaces. Zbl 1020.93004 Benchohra, Mouffak; Górniewicz, Lech; Ntouyas, Sotiris K. 8 2001 Controllability results for first and second order evolution inclusions with nonlocal conditions. Zbl 1104.93015 Górniewicz, L.; Ntouyas, S. K.; O’Regan, D. 8 2006 Generalized topological essentiality and coincidence points of multivalued maps. Zbl 1182.54052 Gabor, Grzegorz; Górniewicz, Lech; Ślosarski, Mirosław 8 2009 Note on topological degree for monotone-type multivalued maps. Zbl 1118.47051 Andres, J.; Górniewicz, L. 7 2006 Coincidence of k-set contraction pairs. Zbl 0578.55002 Górniewicz, L.; Kucharski, Z. 7 1985 A fixed point index approach to some differential equations. Zbl 0685.55001 Bielawski, R.; Górniewicz, L. 7 1989 Mixed semicontinuous mappings and their applications to differential inclusions. Zbl 0979.34006 Fryszkowski, Andrzej; Górniewicz, Lech 7 2000 Controllability of neutral functional differential and integrodifferential inclusions in Banach spaces with nonlocal conditions. Zbl 1040.93005 Benchohra, M.; Górniewicz, L.; Ntouyas, S. K. 6 2002 Nondensely defined evolution impulsive differential equations with nonlocal conditions. Zbl 1060.34027 Benchohra, M.; Gatsori, E. P.; Górniewicz, L.; Ntouyas, S. K. 6 2003 Periodic solutions of differential inclusions in \(\mathbb{R}^ n\). Zbl 0798.34018 Górniewicz, Lech; Plaskacz, Sławomir 6 1993 Fixed points of contractive multivalued maps. Zbl 0863.47040 Górniewicz, L.; Marano, S. A.; Ślosarski, M. 6 1996 On the set of solutions of the Darboux problem for some hyperbolic equations. Zbl 0478.35076 Gorniewicz, Lech; Pruszko, Tadeusz 6 1980 On a theorem of C. Bowszyc concerning the relative-version of the Lefschetz fixed point theorem. Zbl 0588.55001 Górniewicz, Lech; Granas, Andrzej 5 1985 The Lefschetz fixed point theorem for some non-compact multi-valued maps. Zbl 0342.55007 Fournier, Gilles; Gorniewicz, Lech 5 1977 Fixed point theorems for multi-valued mappings of the absolute neighbourhood retracts. Zbl 0203.25203 Górniewicz, L.; Granas, A. 5 1970 Existence results for semilinear functional differential inclusions with infinite delay. Zbl 1079.34061 Gatsori, E. P.; Górniewicz, L.; Ntouyas, S. K.; Sficas, G. Y. 5 2005 Noncompact version of the multivalued Nielsen theory and its application to differential inclusions. Zbl 1095.47502 Andres, Jan; Górniewicz, Lech; Jezierski, Jerzy 5 1998 On essential fixed points of compact mappings on arbitrary absolute neighborhood retracts and their application to multivalued fractals. Zbl 1336.37018 Andres, Jan; Górniewicz, Lech 5 2016 Fixed points and sets of multivalued contractions: an advanced survey with some new results. Zbl 1538.54100 Andres, Jan; Fišer, Jiří; Górniewicz, Lech 5 2021 Periodic solutions of dissipative systems revisited. Zbl 1130.34318 Andres, Jan; Górniewicz, Lech 5 2006 A Poincaré type coincidence theorem for multi-valued maps. Zbl 0332.54016 Bryszewski, J.; Gorniewicz, L. 4 1976 Note on nonejective topological fractals on Peano’s continua. Zbl 1304.54068 Andres, Jan; Górniewicz, Lech 4 2014 Topology of morphisms and fixed point problems for set-valued maps. Zbl 0760.54030 Górniewicz, Lech; Granas, Andrzej 4 1991 A remark on Krasnosel’skij’s translation operator along trajectories of ordinary differential equations. Zbl 0533.34033 Dylawerski, G.; Górniewicz, L. 4 1983 Existence results for impulsive hyperbolic differential inclusions. Zbl 1047.34071 Benchohra, M.; Gòrniewicz, L.; Ntouyas, S. K.; Ouahab, A. 3 2003 On the Schauder fixed point theorem. Zbl 0852.55005 Górniewicz, Lech; Rozpłoch-Nowakowska, Danuta 3 1996 Some applications of the Leray-Schauder alternative to differential equations. Zbl 0595.34002 Bielawski, R.; Gorniewicz, L. 3 1986 Controllability of evolution inclusions in Banach spaces with nonlocal conditions. Zbl 1395.93116 Górniewicz, L.; Ntouyas, S. K.; O’Regan, D. 3 2007 Multi-valued maps of subsets of Euclidean spaces. Zbl 0355.55013 Bryszewski, J.; Gorniewicz, L. 3 1976 From the Schauder fixed-point theorem to the applied multivalued Nielsen theory. Zbl 0958.34015 Andres, Jan; Górniewicz, Lech 3 1999 Impulsive hyperbolic differential inclusions with variable times. Zbl 1050.35159 Benchohra, M.; Górniewicz, L.; Ntouyas, S. K.; Ouahab, A. 3 2003 Controllability results for semilinear functional differential inclusions with unbounded delay. Zbl 1150.34594 Arara, Amaria; Benchohra, Mouffak; Górniewicz, Lech; Ouahab, Abdelghani 3 2006 On the fixed point set of multivalued contractions. Zbl 0883.47069 Górniewicz, L.; Marano, S. A. 3 1996 Existence results for first and second order semilinear impulsive differential inclusions. Zbl 1097.34046 Górniewicz, Lech; Ntouyas, Sotiris K.; O’Regan, Donal 3 2005 On the Lefschetz coincidence theorem. Zbl 0477.55004 Gorniewicz, Lech 3 1981 Existence results for first and second order semilinear differential inclusions with nonlocal conditions. Zbl 1131.34045 Górniewicz, L.; Ntouyas, S. K.; O’Regan, D. 3 2007 Aronszajn type results for Volterra equations and inclusions. Zbl 1064.45010 Agarwal, Ravi P.; Górniewicz, Lech; O’Regan, Donal 2 2004 Feedback stability of closed sets for nonlinear control systems. Zbl 0944.93002 Górniewicz, Lech; Nistri, Paolo 2 2000 Fixed point theorems for multi-valued maps of subsets of Euclidean spaces. Zbl 0409.55002 Gorniewicz, Lech 2 1979 Differential inclusions and implicit equations on closed subsets of \(\mathbb{R}^ n\). Zbl 0846.34011 Frigon, Marlène; Górniewicz, Lech; Kaczynski, Tomasz 2 1996 Partially dissipative periodic processes. Zbl 0845.34026 Andres, Jan; Górniewicz, Lech; Lewicka, Marta 2 1996 Controllability results for multivalued semilinear differential equations with nonlocal conditions. Zbl 1028.34013 Benchohra, M.; Górniewicz, L.; Ntouyas, S. K. 2 2002 Remarks on the Lefschetz fixed point theorem. Zbl 0267.55009 Gorniewicz, L. 2 1973 Present state of the Brouwer fixed point theorem for multivalued mappings. Zbl 1079.54522 Górniewicz, Lech 2 1998 Some consequences of the Lefschetz fixed point theorem for multi-valued maps. Zbl 0249.54022 Gorniewicz, L. 2 1973 Existence results for nondensely defined impulsive semilinear functional differential equations. Zbl 1051.34068 Benchohra, M.; Górniewicz, L.; Ntouyas, S. K.; Ouahab, A. 2 2003 Extension theorems and topological essentiality in \(\alpha\)-weakly convex metric spaces. Zbl 1188.54009 de Blasi, F. S.; Górniewicz, L.; Pianigiani, G. 2 2009 Fixed points of mapping in Klee admissible spaces. Zbl 1194.47062 Górniewicz, Lech; Ślosarski, Mirosław 2 2007 Some fixed point theorems of a Krasnosel’skii type and application to differential inclusions. Zbl 1341.47070 Górniewicz, Lech; Ouahab, Abelghani 2 2016 Recent results on the topological fixed point theory of multivalued mappings: a survey. Zbl 1338.54001 Andres, Jan; Górniewicz, Lech 2 2015 Once more on the Lefschetz fixed point theorem. Zbl 1122.55002 Górniewicz, Lech; Ślosarski, Mirosław 2 2007 Fixed point index and ejective fixed points of compact absorbing contraction multivalued mappings. Zbl 1325.55002 Andres, Jan; Górniewicz, Lech 2 2015 Degeneracy, non-ejective fixed points and the fixed point index. Zbl 0425.55001 Gorniewicz, Lech; Peitgen, Heinz-Otto 1 1979 An invariance problem for control systems with deterministic uncertainty. Zbl 0867.93041 Górniewicz, Lech; Nistri, Paolo 1 1996 Bifurcation invariants for acyclic mappings. Zbl 0831.55001 Górniewicz, Lech; Kryszewski, Wojciech 1 1992 Fractional order impulsive partial hyperbolic functional differential equations with variable times and state-dependent delay. Zbl 1289.26009 Abbas, Saïd; Benchohra, Mouffak; Gorniewicz, Lech 1 2010 Fractional order impulsive partial hyperbolic differential inclusions with variable times. Zbl 1269.26002 Abbas, Saïd; Benchohra, Mouffak; Górniewicz, Lech 1 2011 Topological degree theory for acyclic mappings related to the bifurcation problem. Zbl 0760.55002 Górniewicz, Lech; Kryszewski, Wojciech 1 1992 Bifurcations of compactifying maps. Zbl 0824.47051 Górniewicz, Lech; Schmidt, Mirosław 1 1994 Differential inclusions – the theory initiated by Cracow Mathematical School. Zbl 1263.34003 Górniewicz, Lech 1 2012 Fixed points and sets of multivalued contractions: an advanced survey with some new results. Zbl 1538.54100 Andres, Jan; Fišer, Jiří; Górniewicz, Lech 5 2021 Implicit differential inclusions with acyclic right-hand sides: an essential fixed points approach. Zbl 1456.34015 Andres, Jan; Górniewicz, Lech 1 2017 On essential fixed points of compact mappings on arbitrary absolute neighborhood retracts and their application to multivalued fractals. Zbl 1336.37018 Andres, Jan; Górniewicz, Lech 5 2016 Some fixed point theorems of a Krasnosel’skii type and application to differential inclusions. Zbl 1341.47070 Górniewicz, Lech; Ouahab, Abelghani 2 2016 Note on essential fixed points of approximable multivalued mappings. Zbl 1372.55002 Andres, Jan; Górniewicz, Lech 1 2016 Recent results on the topological fixed point theory of multivalued mappings: a survey. Zbl 1338.54001 Andres, Jan; Górniewicz, Lech 2 2015 Fixed point index and ejective fixed points of compact absorbing contraction multivalued mappings. Zbl 1325.55002 Andres, Jan; Górniewicz, Lech 2 2015 Note on nonejective topological fractals on Peano’s continua. Zbl 1304.54068 Andres, Jan; Górniewicz, Lech 4 2014 Solution sets for differential equations and inclusions. Zbl 1258.34002 Djebali, Smaïl; Górniewicz, Lech; Ouahab, Abdelghani 35 2013 On the Lefschetz fixed point theorem for random multivalued mappings. Zbl 1301.55001 Andres, Jan; Górniewicz, Lech 1 2013 Random topological degree and random differential inclusions. Zbl 1286.37053 Andres, Jan; Górniewicz, Lech 14 2012 Existence and structure of solution sets for impulsive differential inclusions. A survey. Zbl 1250.34002 Djebali, Smaïl; Górniewicz, Lech; Ouahab, Abdelghani 12 2012 Differential inclusions – the theory initiated by Cracow Mathematical School. Zbl 1263.34003 Górniewicz, Lech 1 2012 Topological structure of solution sets for impulsive differential inclusions in Fréchet spaces. Zbl 1215.34070 Djebali, Smaïl; Górniewicz, Lech; Ouahab, Abdelghani 9 2011 Fractional order impulsive partial hyperbolic differential inclusions with variable times. Zbl 1269.26002 Abbas, Saïd; Benchohra, Mouffak; Górniewicz, Lech 1 2011 Fixed point theorems on admissible multiretracts applicable to dynamical systems. Zbl 1237.37024 Andres, Jan; Górniewicz, Lech 1 2011 Existence theory for impulsive partial hyperbolic functional differential equations involving the Caputo fractional derivative. Zbl 1200.26004 Abbas, Saïd; Benchohra, Mouffak; Gòrniewicz, Lech 19 2010 First-order periodic impulsive semilinear differential inclusions: existence and structure of solution sets. Zbl 1202.34110 Djebali, Smaïl; Górniewicz, Lech; Ouahab, Abdelghani 18 2010 Fractional order impulsive partial hyperbolic functional differential equations with variable times and state-dependent delay. Zbl 1289.26009 Abbas, Saïd; Benchohra, Mouffak; Gorniewicz, Lech 1 2010 Generalized topological essentiality and coincidence points of multivalued maps. Zbl 1182.54052 Gabor, Grzegorz; Górniewicz, Lech; Ślosarski, Mirosław 8 2009 Extension theorems and topological essentiality in \(\alpha\)-weakly convex metric spaces. Zbl 1188.54009 de Blasi, F. S.; Górniewicz, L.; Pianigiani, G. 2 2009 Filippov-Ważewski theorems and structure of solution sets for first order impulsive semilinear functional differential inclusions. Zbl 1182.34087 Djebali, Smaïl; Górniewicz, Lech; Ouahab, Abdelghani 13 2008 Functional differential equations with fractional order and infinite delay. Zbl 1162.26302 Belmekki, Mohammed; Benchohra, Mouffak; Gòrniewicz, Lech 9 2008 Existence results for semilinear perturbed functional differential inclusions with infinite delay. Zbl 1293.34076 Belmekki, M.; Benchohra, M.; Gòrniewicz, L.; Ntouyas, S. K. 1 2008 Existence and controllability results for first-and second-order functional semilinear differential inclusions with nonlocal conditions. Zbl 1123.34061 Górniewicz, L.; Ntouyas, S. K.; O’Regan, D. 18 2007 Controllability of evolution inclusions in Banach spaces with nonlocal conditions. Zbl 1395.93116 Górniewicz, L.; Ntouyas, S. K.; O’Regan, D. 3 2007 Existence results for first and second order semilinear differential inclusions with nonlocal conditions. Zbl 1131.34045 Górniewicz, L.; Ntouyas, S. K.; O’Regan, D. 3 2007 Fixed points of mapping in Klee admissible spaces. Zbl 1194.47062 Górniewicz, Lech; Ślosarski, Mirosław 2 2007 Once more on the Lefschetz fixed point theorem. Zbl 1122.55002 Górniewicz, Lech; Ślosarski, Mirosław 2 2007 Existence results for nondensely defined impulsive semilinear functional differential inclusions with infinite delay. Zbl 1141.34050 Benchohra, Mouffak; Górniewicz, Lech 1 2007 Topological fixed point theory of multivalued mappings. 2nd ed. Zbl 1107.55001 Górniewicz, Lech 158 2006 Controllability results for nondensely defined semilinear functional differential equations. Zbl 1101.93007 Benchohra, M.; Górniewicz, L.; Ntouyas, S. K.; Ouahab, A. 10 2006 Controllability results for first and second order evolution inclusions with nonlocal conditions. Zbl 1104.93015 Górniewicz, L.; Ntouyas, S. K.; O’Regan, D. 8 2006 Note on topological degree for monotone-type multivalued maps. Zbl 1118.47051 Andres, J.; Górniewicz, L. 7 2006 Periodic solutions of dissipative systems revisited. Zbl 1130.34318 Andres, Jan; Górniewicz, Lech 5 2006 Controllability results for semilinear functional differential inclusions with unbounded delay. Zbl 1150.34594 Arara, Amaria; Benchohra, Mouffak; Górniewicz, Lech; Ouahab, Abdelghani 3 2006 Controllability of semilinear differential equations and inclusions via semigroup theory in Banach spaces. Zbl 1185.93016 Górniewicz, L.; Ntouyas, S. K.; O’Regan, D. 28 2005 Handbook of topological fixed point theory. Zbl 1067.55001 23 2005 Existence results for semilinear functional differential inclusions with infinite delay. Zbl 1079.34061 Gatsori, E. P.; Górniewicz, L.; Ntouyas, S. K.; Sficas, G. Y. 5 2005 Existence results for first and second order semilinear impulsive differential inclusions. Zbl 1097.34046 Górniewicz, Lech; Ntouyas, Sotiris K.; O’Regan, Donal 3 2005 Controllability results for nondensely defined evolution impulsive differential inclusions with nonlocal conditions. Zbl 1075.93003 Gatsori, E. P.; Górniewicz, L.; Ntouyas, S. K. 1 2005 Controllability results for impulsive functional differential inclusions. Zbl 1130.93310 Benchohra, M.; Górniewicz, L.; Ntouyas, S. K.; Ouahab, A. 27 2004 Aronszajn type results for Volterra equations and inclusions. Zbl 1064.45010 Agarwal, Ravi P.; Górniewicz, Lech; O’Regan, Donal 2 2004 Topological fixed point principles for boundary value problems. Zbl 1029.55002 Andres, Jan; Górniewicz, Lech 119 2003 Controllability of some nonlinear systems in Banach spaces (the fixed point theory approach). Zbl 1059.49001 Benchohra, Mofak; Górniewicz, Lech; Ntouyas, Sotiris 12 2003 Periodic points of multivalued mappings with applications to differential inclusions on tori. Zbl 1034.34014 Andres, Jan; Górniewicz, Lech; Jezierski, Jerzy 10 2003 Controllability results for evolution inclusions with non-local conditions. Zbl 1052.34073 Benchohra, M.; Gatsori, E. P.; Górniewicz, L.; Ntouyas, S. K. 10 2003 Nondensely defined evolution impulsive differential equations with nonlocal conditions. Zbl 1060.34027 Benchohra, M.; Gatsori, E. P.; Górniewicz, L.; Ntouyas, S. K. 6 2003 Existence results for impulsive hyperbolic differential inclusions. Zbl 1047.34071 Benchohra, M.; Gòrniewicz, L.; Ntouyas, S. K.; Ouahab, A. 3 2003 Impulsive hyperbolic differential inclusions with variable times. Zbl 1050.35159 Benchohra, M.; Górniewicz, L.; Ntouyas, S. K.; Ouahab, A. 3 2003 Existence results for nondensely defined impulsive semilinear functional differential equations. Zbl 1051.34068 Benchohra, M.; Górniewicz, L.; Ntouyas, S. K.; Ouahab, A. 2 2003 Acyclicity of solution sets to functional inclusions. Zbl 1012.34011 Andres, Jan; Gabor, Grzegorz; Górniewicz, Lech 13 2002 The Lefschetz fixed point theory for morphisms in topological vector spaces. Zbl 1031.55002 Górniewicz, Lech; Rozpłoch-Nowakowska, Danuta 10 2002 Controllability of neutral functional differential and integrodifferential inclusions in Banach spaces with nonlocal conditions. Zbl 1040.93005 Benchohra, M.; Górniewicz, L.; Ntouyas, S. K. 6 2002 Controllability results for multivalued semilinear differential equations with nonlocal conditions. Zbl 1028.34013 Benchohra, M.; Górniewicz, L.; Ntouyas, S. K. 2 2002 On the Lefschetz fixed point theorem. Zbl 1006.55002 Górniewicz, Lech 1 2002 On the Banach contraction principle for multivalued mappings. Zbl 1019.47042 Andres, Jan; Górniewicz, Lech 10 2001 Controllability on infinite time horizon for first- and second-order functional differential inlcusions in Banach spaces. Zbl 1020.93004 Benchohra, Mouffak; Górniewicz, Lech; Ntouyas, Sotiris K. 8 2001 Topological structure of solution sets to multi-valued asymptotic problems. Zbl 0974.34045 Andres, J.; Gabor, G.; Górniewicz, L. 19 2000 A generalized Nielsen number and multiplicity results for differential inclusions. Zbl 0940.55007 Andres, Jan; Górniewicz, Lech; Jezierski, Jerzy 15 2000 Relative versions of the multivalued Lefschetz and Nielsen theorems and their application to admissible semi-flows. Zbl 0991.47040 Andres, Jan; Górniewicz, Lech; Jezierski, Jerzy 11 2000 Topological structure of solution sets: current results. Zbl 1090.54014 Górniewicz, Lech 10 2000 Mixed semicontinuous mappings and their applications to differential inclusions. Zbl 0979.34006 Fryszkowski, Andrzej; Górniewicz, Lech 7 2000 Feedback stability of closed sets for nonlinear control systems. Zbl 0944.93002 Górniewicz, Lech; Nistri, Paolo 2 2000 Topological fixed point theory of multivalued mappings. Zbl 0937.55001 Górniewicz, Lech 215 1999 Boundary value problems on infinite intervals. Zbl 0936.34023 Andres, Jan; Gabor, Grzegorz; Górniewicz, Lech 36 1999 Topological degree and periodic solutions of differential inclusions. Zbl 0936.34009 De Blasi, Francesco S.; Górniewicz, Lech; Pianigiani, Giulio 22 1999 From the Schauder fixed-point theorem to the applied multivalued Nielsen theory. Zbl 0958.34015 Andres, Jan; Górniewicz, Lech 3 1999 Topological essentiality and nonlinear boundary value control problems. Zbl 0935.34016 Górniewicz, Lech; Nistri, Paolo 1 1999 Noncompact version of the multivalued Nielsen theory and its application to differential inclusions. Zbl 1095.47502 Andres, Jan; Górniewicz, Lech; Jezierski, Jerzy 5 1998 Present state of the Brouwer fixed point theorem for multivalued mappings. Zbl 1079.54522 Górniewicz, Lech 2 1998 Fixed points of contractive multivalued maps. Zbl 0863.47040 Górniewicz, L.; Marano, S. A.; Ślosarski, M. 6 1996 On the Schauder fixed point theorem. Zbl 0852.55005 Górniewicz, Lech; Rozpłoch-Nowakowska, Danuta 3 1996 On the fixed point set of multivalued contractions. Zbl 0883.47069 Górniewicz, L.; Marano, S. A. 3 1996 Differential inclusions and implicit equations on closed subsets of \(\mathbb{R}^ n\). Zbl 0846.34011 Frigon, Marlène; Górniewicz, Lech; Kaczynski, Tomasz 2 1996 Partially dissipative periodic processes. Zbl 0845.34026 Andres, Jan; Górniewicz, Lech; Lewicka, Marta 2 1996 An invariance problem for control systems with deterministic uncertainty. Zbl 0867.93041 Górniewicz, Lech; Nistri, Paolo 1 1996 Topological approach to differential inclusions. Zbl 0834.34022 Górniewicz, Lech 18 1995 Approximation and fixed points for compositions of \(R_ \delta\)-maps. Zbl 0793.54015 Górniewicz, Lech; Lassonde, Marc 26 1994 Bifurcations of compactifying maps. Zbl 0824.47051 Górniewicz, Lech; Schmidt, Mirosław 1 1994 Periodic solutions of differential inclusions in \(\mathbb{R}^ n\). Zbl 0798.34018 Górniewicz, Lech; Plaskacz, Sławomir 6 1993 Topological approach to differential inclusions on closed subset of \(\mathbb{R}{}^ n\). Zbl 0747.34013 Bielawski, R.; Górniewicz, L.; Plaskacz, S. 11 1992 Topological essentiality and differential inclusions. Zbl 0755.34013 Gorniewicz, Lech; Slosarski, Miroslaw 11 1992 Bifurcation invariants for acyclic mappings. Zbl 0831.55001 Górniewicz, Lech; Kryszewski, Wojciech 1 1992 Topological degree theory for acyclic mappings related to the bifurcation problem. Zbl 0760.55002 Górniewicz, Lech; Kryszewski, Wojciech 1 1992 On the homotopy method in the fixed point index theory of multi-valued mappings of compact absolute neighborhood retracts. Zbl 0757.54019 Górniewicz, Lech; Granas, Andrzej; Kryszewski, Wojciech 48 1991 Topology of morphisms and fixed point problems for set-valued maps. Zbl 0760.54030 Górniewicz, Lech; Granas, Andrzej 4 1991 Shape as an information-thermodynamical concept and the pattern recognition problem. Zbl 0713.55006 Ingarden, Roman S.; Górniewicz, Lech 1 1990 Sur la méthode de l’homotopie dans la théorie des points fixes pour les applications multivoques. II: L’indice dans les ANR-s compacts. (On the homotopy method in the fixed point theory for set-valued maps. II: The index in compact ANR-s). Zbl 0678.54033 Górniewicz, Lech; Granas, Andrzej; Kryszewski, Wojciech 10 1989 A fixed point index approach to some differential equations. Zbl 0685.55001 Bielawski, R.; Górniewicz, L. 7 1989 Sur la méthode de l’homotopie dans la théorie des point fixes pour les applications multivoques. I: Transversalité topologique. (On the homotopy method in fixed point theory for multivalued maps. I: Topological transversality). Zbl 0665.54030 Górniewicz, Lech; Granas, Andrzej; Kryszewski, Wojciech 10 1988 On the solution sets of differential inclusions. Zbl 0609.34012 Górniewicz, Lech 21 1986 Some applications of the Leray-Schauder alternative to differential equations. Zbl 0595.34002 Bielawski, R.; Gorniewicz, L. 3 1986 Coincidence of k-set contraction pairs. Zbl 0578.55002 Górniewicz, L.; Kucharski, Z. 7 1985 On a theorem of C. Bowszyc concerning the relative-version of the Lefschetz fixed point theorem. Zbl 0588.55001 Górniewicz, Lech; Granas, Andrzej 5 1985 Survey of some applications of the fixed point index. Zbl 0575.55001 Fournier, G.; Górniewicz, L. 1 1985 A remark on Krasnosel’skij’s translation operator along trajectories of ordinary differential equations. Zbl 0533.34033 Dylawerski, G.; Górniewicz, L. 4 1983 Some general theorems in coincidence theory. I. Zbl 0482.55002 Gorniewicz, Lech; Granas, Andrzej 29 1981 On the Lefschetz coincidence theorem. Zbl 0477.55004 Gorniewicz, Lech 3 1981 On the set of solutions of the Darboux problem for some hyperbolic equations. Zbl 0478.35076 Gorniewicz, Lech; Pruszko, Tadeusz 6 1980 ...and 13 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 818 Authors 66 Andres, Jan 58 O’Regan, Donal 46 Benchohra, Mouffak 42 Obukhovskiĭ, Valeriĭ Vladimirovich 26 Ouahab, Abdelghani 23 Agarwal, Ravi P. 23 Górniewicz, Lech 18 Ntouyas, Sotiris K. 17 Nieto Roig, Juan Jose 16 Kornev, Sergeĭ Viktorovich 16 Malaguti, Luisa 15 Ślosarski, Mirosław 14 Kryszewski, Wojciech 14 Yao, Jen-Chih 13 Chang, Yong-Kui 12 Benedetti, Irene 12 Gabor, Grzegorz 12 Henderson, Johnny Lee 12 Zecca, Pietro 11 Huang, Nan-Jing 11 Mahmudov, Nazim Idrisoglu 11 Nguyen Van Loi 11 Sakthivel, Rathinasamy 11 Taddei, Valentina 11 Väth, Martin 10 Tsar’kov, Igor’ Germanovich 9 Gel’man, Boris Danielovich 9 Mrozek, Marian 9 Zhang, Xianmin 9 Zhou, Yong 8 Abbas, Mujahid 8 Abbas, Said 8 Ahmad, Bashir 8 Gou, Haide 8 Pastor, Karel 8 Pavlačková, Martina 8 Petruşel, Adrian 7 Kamenskiĭ, Mikhaĭl Igor’evich 7 Li, Yongxiang 7 Liu, Zuohua 7 Pietkun, Radosław 7 Wang, Rongnian 6 Chen, Yuqing 6 Fečkan, Michal 6 Huang, Lihong 6 Jiang, Yirong 6 Kaczynski, Tomasz 6 Shahzad, Naseer 6 Zvyagin, Viktor Grigor’evich 5 Batko, Bogdan 5 Ben-El-Mechaiekh, Hichem 5 Brykalov, Sergeĭ Arkad’evich 5 Cai, Zuowei 5 De Blasi, Francesco Saverio 5 Ezzinbi, Khalil 5 Gatsori, Efrosini P. 5 Jeribi, Aref 5 Khan, Safeer Hussain 5 Kim, In-Sook 5 Liu, Zhenhai 5 Ma, Zhong-Xin 5 Michta, Mariusz 5 Papageorgiou, Nikolaos S. 5 Rus, Ioan A. 5 Semenov, Pavel Vladimirovič 5 Shu, Tong 5 Wu, Zengbao 5 Yu, Yangyang 4 Abada, Nadjet 4 Al-saedi, Ahmed Eid Salem 4 Ammar, Aymen 4 Bader, Ralf 4 Baghli-Bendimerad, Selma 4 Darwish, Mohamed Abdalla 4 Ding, Wenbin 4 Djebali, Smail 4 Dzedzej, Zdzisław 4 Filippov, Vladimir V. 4 Fürst, Tomáš 4 Gabor, Dorota 4 Gasiński, Leszek 4 Hammouche, Hadda 4 Ke, Tran Dinh 4 Leśniak, Krzysztof 4 Motyl, Jerzy 4 Peng, Hui 4 Precup, Radu 4 Ren, Yong 4 Repovš, Dušan D. 4 Rypka, Miroslav 4 Skiba, Robert 4 Szymánska-Dȩbowska, Katarzyna 4 Vijayakumar, Velusamy 4 Wang, Fulong 4 Wang, Jinrong 4 Yuan, George Xianzhi 4 Zeng, Biao 3 Abdeljawad, Thabet 3 Abdo, Mohammed Salem 3 Aissani, Khalida ...and 718 more Authors all top 5 Cited in 220 Serials 54 Journal of Mathematical Analysis and Applications 53 Nonlinear Analysis. 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