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Found 97 items.

Three solutions for second-order impulsive differential inclusions with Sturm-Liouville boundary conditions via nonsmooth critical point theory

Yu Tian, John R. Graef, Lingju Kong, Min Wang

1 - 18

2016-03-01
Bifurcation and multiplicity results for critical p-Laplacian problems

Kanishka Perera, Marco Squassina, Yang Yang

187 - 194

2016-03-01
Finding critical points whose polarization is also a critical point

Marco Squassina, Jean Van Schaftingen

371 - 379

2012-04-23
On positive viscosity solutions of fractional Lane-Emden systems

Edir Junior Ferreira Leite, Marcos Montenegro

407 - 425

2019-03-31
Multiple solutions for an impulsive boundary value problems on the halfline via Morse theory

Karima Ait-Mahiout, Smail Djebali, Toufik Moussaoui

219 - 240

2016-03-01
Localization of positive critical points in Banach spaces and applications

Radu Precup, Csaba Varga

817 - 833

2017-05-22
Some remarks on the critical point theory

Chong Li

223 - 234

2007-12-01
Resonant Robin problems with indefinite and unbounded potential

Nikolaos S. Papageorgiou, George Smyrlis

51 - 74

2016-10-05
Nonlinear noncoercive Neumann problems with a reaction concave near the origin

Pasquale Candito, Giuseppina D'Aguì, Nikolaos S. Papageorgiou

289 - 317

2016-03-01
Moser-Harnack inequality, Krasnosel'skii type fixed point theorems in cones and elliptic problems

Radu Precup

301 - 313

2012-04-23
On a singular semilinear elliptic problem: multiple solutions via critical point theory

George Smyrlis, Francesca Faraci

459 - 491

2018-05-23
Existence of solutions for a Kirchhoff type fractional differential equations via minimal principle and Morse theory

Nemat Nyamoradi, Yong Zhou

617 - 630

2015-12-01
Nonhomogeneous Dirichlet problems without the Ambrosetti-Rabinowitz condition

Gang Li, Vicenţiu D. Rădulescu, Dušan D. Repovš, Qihu Zhang

55 - 77

2017-10-28
Positive solutions for singular impulsive Dirichlet boundary value problems

Liang Bai, Juan J. Nieto

561 - 584

2018-11-03
Positive solutions for generalized nonlinear logistic equations of superdiffusive type

Antonio Iannizzotto, Nikolaos S. Papageorgiou

95 - 113

2011-04-23
Realization of a graph as the Reeb graph of a Morse function on a manifold

Łukasz Patryk Michalak

749 - 762

2018-08-04
Multiplicity of solutions for polyharmonic Dirichlet problems with exponential nonlinearities and broken symmetry

Edger Sterjo

27 - 63

2017-06-25
Global existence for reaction-diffusion systems modeling ions electro-migration through biological membranes with mass control and critical growth with respect to the gradient

Bassam Al-hamzah, Naji Yebari

225 - 256

2019-02-16
On representation of the Reeb graph as a sub-complex of manifold

Wacław Marzantowicz, Nelson Silva, Marek Kaluba

287 - 308

2015-03-01
On a generalized critical point theory on gauge spaces and applications to elliptic problems on ${\mathbb R}^N$

Marlène Frigon

67 - 89

2001-03-01
On the existence of periodic solutions for a class of non-autonomous differential delay equations

Rong Cheng, Junxiang Xu, Dongfebg Zhang

139 - 154

2010-04-23
Bifurcation analysis of a singular elliptic problem modelling the equilibrium of anisotropic continuous media

Giovanni Molica Bisci, Vicentiu D. Radulescu

493 - 508

2015-06-01
Homoclinic orbits of first order nonlinear Hamiltonian systems with asymptotically linear nonlinearities at infinity

Guanwei Chen

499 - 510

2016-06-01
Concentration of ground state solutions for fractional Hamiltonian systems

César Torres, Ziheng Zhang

623 - 642

2017-10-01
Existence of solutions to a semilinear elliptic boundary value problem with augmented Morse index bigger than two

Alfonso Castro, Ivan Ventura

233 - 244

2016-11-23
An application of nonsmooth critical point theory

Zhouxin Li, Yaotian Shen, Yumin Zhang

203 - 219

2010-04-23
Infinitely many solutions for systems of multi-point boundary value problems using variational methods

John R. Graef, Shapour Heidarkhani, Lingju Kong

105 - 118

2013-04-22
Critical points for some functionals of the calculus of variations

Benedetta Pellacci

285 - 305

2001-06-01
Componentwise localization of critical points for functionals defined on product spaces

Radu Precup

51 - 77

2021-09-12
Existence of non-collision periodic solutions for second order singular dynamical systems

Shuqing Liang

127 - 137

2010-04-23
Schrödinger-Poisson systems with radial potentials and discontinuous quasilinear nonlinearity

Anmin Mao, Hejie Chang

79 - 89

2017-10-09
Existence of a weak solution for the fractional $p$-Laplacian equations with discontinuous nonlinearities via the Berkovits-Tienari degree theory

Yun-Ho Kim

371 - 388

2018-03-18
Relative homological linking in critical point theory

Alexandre Girouard

211 - 221

2007-12-01
Constant-sign and nodal solutions for a Neumann problem with $p$-Laplacian and equi-diffusive reaction term

Salvatore A. Marano, Nikolaos S. Papageorgiou

233 - 248

2011-04-23
Existence and multiplicity of solutions for resonant nonlinear Neumann problems

Sergiu Aizicovici, Nikolaos S. Papageorgiou, Vasile Staicu

235 - 252

2010-04-23
Resonant Neumann equations with indefinite linear part

Roberto Livrea, Nikolaos S. Papageorgiou, Giuseppina Barletta

469 - 491

2015-06-01
Morse theory for normal geodesics in sub-Riemannian manifolds with codimension one distributions

Roberto Giambò, Fabio Giannoni, Paolo Piccione, Daniel V. Tausk

273 - 291

2003-06-01
Existence and multiplicity results for semilinear ellipctic equations with measure data and jumping nonlinearities

Alberto Ferrero, Claudio Saccon

37 - 65

2007-09-01
On the three critical points theorem

Vitaly Moroz, Alfonso Vignoli, Petr P. Zabreĭko

103 - 113

1998-03-01
A deformation theorem and some critical point results for non-differentiable functions

Salvatore A. Marano, Dumitru Motreanu

139 - 158

2003-09-01
The existence of nontrivial critical point for a class of strongly indefinite asymptotically quadratic functional without compactness

Guanggang Liu, Shaoyun Shi, Yucheng Wei

323 - 344

2016-04-12
The effect of diffusion on critical quasilinear elliptic problems

Renato José de Moura, Marcos Montenegro

517 - 534

2016-04-12
Existence of nontrivial solutions to Schrödinger systems with linear and nonlinear couplings via Morse theory

Zhitao Zhang, Meng Yu, Xiaotian Zheng

701 - 716

2023-06-23
Neumann-type boundary value problem associated with Hamiltonian systems

Natnael Gezahegn Mamo

151 - 162

2024-09-15
Critical points when there is no saddle point geometry

Martin Schechter

295 - 308

1995-12-01
Resonant nonlinear periodic problems with the scalar $p$-Laplacian and a nonsmooth potential

Sergiu Aizicovici, Nikolaos S. Papageorgiou, Vasile Staicu

269 - 288

2006-06-01
Homoclinic solutions of difference equations with variable exponents

Mihai Mihăilescu, Vicenţiu D. Rădulescu, Stepan Tersian

277 - 289

2011-04-23
On the second deformation lemma

Jean-Noël Corvellec

55 - 66

2001-03-01
Multiplicity results to a class of variational-hemivariational inequalities

Gabriele Bonanno, Patrick Winkert

493 - 516

2016-04-12
On the existence of three solutions for jumping problems involving quasilinear operators

Annamaria Canino

1 - 16

2001-09-01
Quasilinear elliptic equations with singular potentials and bounded discontinuous nonlinearities

Anran Li, Hongrui Cai, Jiabao Su

439 - 450

2016-04-12
On the existence of positive entire solutions of nonlinear elliptic equations

Marco Squassina

23 - 39

2001-03-01
On a class of nonhomogeneous elliptic problems involving exponential critical growth

Manassés de Souza, Everaldo Souto de Medeiros, Uberlandio Severo

399 - 412

2016-04-12
Elliptic problems on weighted locally finite graphs

Maurizio Imbesi, Giovanni Molica Bisci, Dušan D. Repovš

501 - 526

2023-03-04
On the existence of two solutions for a general class of jumping problems

Alessandro Groli, Marco Squassina

325 - 344

2003-06-01
The splitting lemmas for nonsmooth functional on Hilbert spaces II. The case at infinity.

Guangcun Lu

277 - 335

2016-04-12
Equilibria of vortex type Hamiltonians on closed surfaces

Mohameden Ahmedou, Thomas Bartsch, Tim Fiernkranz

239 - 256

2023-02-26
Poincaré-Hopf type formulas on convex sets of Banach spaces

Thomas Bartsch, E. Norman Dancer

213 - 229

2009-12-01
Critical point approaches to quasilinear second order differential equations depending on a parameter

Shapour Heidarkhani, Johnny Henderson

177 - 197

2016-04-12
Positive entire solutions of quasilinear elliptic problems via nonsmooth critical point theory

Monica Conti, Filippo Gazzola

275 - 294

1996-12-01
Existence of multiple solutions of some second order impulsive differential equations

Jing Xiao, Juan J. Nieto, Zhiguo Luo

287 - 296

2016-04-12
Concentration of solutions for a nonlinear elliptic problem with nearly critical exponent

Jan Chabrowski, Shusen Yan

199 - 233

1999-06-01
Index theory for linear elliptic equation and multiple solutions for asymptotically linear elliptic equation with resonance

Yuan Shan, Keqiang Li

89 - 104

2016-04-12
An existence result for a class of quasilinear elliptic boundary value problems with jumping nonlinearities

Kanishka Perera

135 - 144

2002-09-01
Critical Kirchhoff-type equation with singular potential

Yu Su, Senli Liu

611 - 636

2023-06-23
A planar Schrödinger-Poisson system with vanishing potentials and exponential critical growth

Francisco S. B. Albuquerque, Jonison L. Carvalho, Marcelo F. Furtado, Everaldo S. Medeiros

159 - 180

2023-09-23
Effect of the domain geometry on the existence of multipeak solutions for an elliptic problem

E. Norman Dancer, Shusen Yan

1 - 38

1999-09-01
A three critical points theorem and its applications to the ordinary Dirichlet problem

Diego Averna, Gabriele Bonanno

93 - 103

2003-09-01
Topological structure of solution sets to parabolic problems

Vladimír Ďurikovič, Monika Ďurikovičová

313 - 349

2005-06-01
Multiple positive solutions for a singularly perturbed Dirichlet problem in "geometrically trivial" domains

Giovanna Cerami, Caterina Maniscalco

63 - 76

2002-03-01
A deformation lemma with an application to a mean field equation

Marcello Lucia

113 - 138

2007-09-01
Existence and multiplicity results for semilinear equations with measure data

Alberto Ferrero, Claudio Saccon

285 - 318

2006-12-01
Geodesics in conical manifolds

Marco Ghimenti

235 - 261

2005-06-01
Non-autonomous quasilinear elliptic equations and Ważewski's principle

Matteo Franca

213 - 238

2004-06-01
Existence of many sign-changing nonradial solutions for semilinear elliptic problems on thin annuli

Alfonso Castro, Marcel B. Finan

273 - 279

1999-06-01
On a $p$-superlinear Neumann $p$-Laplacian equation

Sergiu Aizicovici, Nikolaos S. Papageorgiou, Vasile Staicu

111 - 130

2009-09-01
A semilinear elliptic equation with convex and concave nonlinearities

Elliot Tonkes

251 - 271

1999-06-01
Nontrivial solutions for a class of gradient-type quasilinear elliptic systems

Anna Maria Candela, Caterina Sportelli

957 - 986

2022-06-12
Positive solutions of elliptic equations with discontinuous nonlinearities

Gabriele Bonanno, Salvatore A. Marano

263 - 273

1996-12-01
Periodic solutions for nonautonomous systems with nonsmooth quadratic or superquadratic potential

Dumitru Motreanu, Viorica V. Motreanu, Nikolaos S. Papageorgiou

269 - 296

2004-12-01
A bifurcation result of Böhme-Marino type for quasilinear elliptic equations

Elisabetta Benincasa, Annamaria Canino

1 - 17

2008-03-01
Multiplicity of solutions for quasilinear elliptic equations

Annamaria Canino

357 - 370

1995-12-01
The jumping nonlinearity problem revisited: an abstract approach

David G. Costa, Hossein Tehrani

249 - 272

2003-06-01
Orthogonal trajectories on stationary spacetimes under intrinsic assumptions

Rossella Bartolo, Anna Germinario, Miguel Sanchez

239 - 268

2004-12-01
Lagrangian systems with Lipschitz obstacle on manifolds

Sergio Lancelotti, Marco Marzocchi

229 - 253

2006-06-01
Morse theory for Riemannian geodesics without nondegeneracy assumptions

Anna Germinario, Fabio Giannoni

295 - 325

1997-12-01
Some multiplicity results for a superlinear elliptic problem in $\mathbb R^N$

Addolorata Salvatore

29 - 39

2003-03-01
On the existence of sign changing solutions for semilinear Dirichlet problems

Thomas Bartsch, Zhi-Qiang Wang

115 - 131

1996-03-01
Nontrivial solutions of variational inequalities. The degenerate case

Sergio Lancelotti

303 - 319

2001-12-01
Deformation properties for continuous functionals and critical point theory

Jean-Noël Corvellec, Marco Degiovanni, Marco Marzocchi

151 - 171

1993-03-01
On the solvability of a resonant elliptic equation with asymmetric nonlinearity

Ana Rute Domingos, Miguel Ramos

45 - 57

1998-03-01
Multiplicity for symmetric indefinite functionals: applications to Hamiltonian and elliptic systems

Patricio Felmer, Zhi-Qiang Wang

207 - 226

1998-12-01
Multiplicity of 2-nodal solutions of the Yamabe equation

Jorge Dávila Ortiz, Héctor Barrantes González, Isidro H. Munive Lima

361 - 379

2024-09-21
The regularized free fall II. Homology computation via heat flow

Urs Frauenfelder, Joa Weber

343 - 361

2022-08-31
Multiple nontrivial solutions of elliptic semilinear equations

Kanishka Perera, Martin Schechter

1 - 15

2000-09-01
The limiting case for strongly indefinite functionals

Gilles Fournier, M Timoumi, Michael Willem

203 - 209

1993-06-01
The intrinsic mountain pass principle

Nadezhda Ribarska, Tsvetomir Tsachev, Mikhail Krastanov

309 - 322

1998-12-01

1 - 97 of 97 items