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Topological Methods in Nonlinear Analysis

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Found 89 items.
  • Periodic bifurcation problems for fully nonlinear neutral functional differential equations via an integral operator approach: the multidimensional degeneration case
    Jean-Francois Couchouron, Mikhail I. Kamenskii, Boris Mikhaylenko, Paolo Nistri
    631 - 664
    2015-12-01
  • Multiplicity of solutions of some quasilinear equations in ${\mathbb{R}^{N}}$ with variable exponents and concave-convex nonlinearities
    Claudianor O. Alves, José L. P. Barreiroy, José Valdo Gonçalves
    529 - 559
    2016-06-01
  • Existence and multiplicity of positive solutions for a Schrodinger-Poisson system with a perturbation
    Juntao Sun, Tsung-fang Wu
    967 - 998
    2015-12-01
  • Bifurcation and multiplicity results for classes of $p,q$-Laplacian systems
    Ratnasingham Shivaji, Byungjae Son
    103 - 114
    2016-04-29
  • Multiplicity theorems for resonant and superlinear nonhomogeneous elliptic equations
    Nikolaos S. Papageorgiou, Vicenţiu D. Rădulescu
    283 - 320
    2016-07-06
  • Multiplicity of positive solutions for Kirchhoff type problems in $\mathbb R^3$
    Tingxi Hu, Lu Lu
    231 - 252
    2017-08-19
  • Multiplicity of solutions of asymptotically linear Dirichlet problems associated to second order equations in R^{2n+1}
    Alessandro Margheri, Carlota Rebelo
    1107 - 1118
    2015-12-01
  • Nonlinear noncoercive Neumann problems with a reaction concave near the origin
    Pasquale Candito, Giuseppina D'Aguì, Nikolaos S. Papageorgiou
    289 - 317
    2016-03-01
  • Solutions with sign information for nonlinear nonhomogeneous elliptic equations
    Nikolaos S. Papageorgiou, Vicentiu D. Radulescu
    575 - 600
    2015-06-01
  • Nielsen number, impulsive differential equations and problem of Jean Leray
    Jan Andres
    383 - 400
    2020-08-27
  • Positive solutions of a diffusive predator-prey mutualist model with cross-diffusion
    Jun Zhou
    125 - 145
    2016-03-01
  • Existence of multiple solutions for a quasilinear elliptic problem
    Jorge Cossio, Sigifredo Herrón, Carlos Vélez
    531 - 551
    2017-10-01
  • Multiplicity and concentration for Kirchhoff type equations around topologically critical points in potential
    Yu Chen, Yanheng Ding
    183 - 223
    2019-02-24
  • Multiple positive solutions for a fractional elliptic systems involving sign-changing weight
    Haining Fan
    757 - 781
    2017-05-21
  • On exact multiplicity for a second order equation with radiation boundary conditions
    Pablo Amster, Mariel P. Kuna
    233 - 246
    2019-07-13
  • Multiplicity of positive solutions for fractional Laplacian equations involving critical nonlinearity
    Jinguo Zhang, Xiaochun Liu, Hongying Jiao
    151 - 182
    2019-02-16
  • Multiplicity of solutions for $p$-Laplacian type elliptic problems with electromagnetic fields and critical nonlinearity
    Zhongyi Zhang
    115 - 129
    2016-04-29
  • Multiplicity and concentration results for a class of singularly perturbed critical quasilinear Schrödinger equation
    Yongpeng Chen, Zhongwei Tang
    135 - 171
    2020-08-27
  • Nonhomogeneous Dirichlet problems without the Ambrosetti-Rabinowitz condition
    Gang Li, Vicenţiu D. Rădulescu, Dušan D. Repovš, Qihu Zhang
    55 - 77
    2017-10-28
  • Solutions for quasilinear elliptic systems with vanishing potentials
    Billel Gheraibia
    153 - 175
    2019-07-13
  • Topology of twists, extremising twist paths and multiple solutions to the nonlinear system in variation $\mathscr{L}[u] = \nabla \mathscr{P}$
    George Morrison, Ali Taheri
    833 - 862
    2019-11-09
  • On existence of periodic solutions for Kepler type problems
    Pablo Amster, Julián Haddad
    465 - 476
    2016-08-17
  • Existence and multiplicity results for a non-homogeneous fourth order equation
    Ali Maalaoui, Vittorio Martino
    273 - 300
    2012-04-23
  • On a singular semilinear elliptic problem: multiple solutions via critical point theory
    George Smyrlis, Francesca Faraci
    459 - 491
    2018-05-23
  • Subharmonic solutions and minimal periodic solutions of first-order variant subquadratic Hamiltonian systems
    Shanshan Tang, Xiaofei Zhang
    517 - 532
    2020-06-07
  • Geodesics on ${\bf SO}(n)$ and a class of spherically symmetric maps as solutions to a nonlinear generalised harmonic map problem
    Stuart Day, Ali Taheri
    637 - 662
    2018-05-21
  • Infinitely many periodic solutions of Duffing equations under integral condition
    Nannan Zheng, Zaihong Wang
    297 - 315
    2020-12-18
  • Corrigendum and addendum to "Non-autonomous quasilinear elliptic equations and Ważewski's principle"
    Matteo Franca
    1 - 30
    2020-09-05
  • Resonant Robin problems with indefinite and unbounded potential
    Nikolaos S. Papageorgiou, George Smyrlis
    51 - 74
    2016-10-05
  • Multiple periodic solutions of Hamiltonian systems in the plane
    Alessandro Fonda, Luca Ghirardelli
    27 - 38
    2010-04-23
  • On a multiplicity result of J. R. Ward for superlinear planar systems
    Cristian Bereanu
    289 - 298
    2006-06-01
  • A Global multiplicity result for a very singular critical nonlocal equation
    Jacques Giacomoni, Tuhina Mukherjee, Konijeti Sreenadh
    354 - 370
    2019-07-21
  • Positive solutions for a $2n$th-order boundary value problem involving all derivatives of odd orders
    Zhilin Yang, Donal O'Regan
    87 - 101
    2011-04-23
  • Generalized limit theorem and bifurcation for problems with Pucci's operator
    Guowei Dai
    229 - 261
    2020-08-29
  • Quasilinear elliptic problems on non-reflexive Orlicz-Sobolev spaces
    Edcarlos D. Silva, Marcos Leandro Carvalho, K. Silva, José Valdo Gonçalves
    587 - 612
    2019-10-06
  • Schrödinger-Poisson systems with radial potentials and discontinuous quasilinear nonlinearity
    Anmin Mao, Hejie Chang
    79 - 89
    2017-10-09
  • A diffusive logistic equation with U-shaped density dependent dispersal on the boundary
    Jerome Goddard II, Quinn Morris, Catherine Payne, Ratnasingham Shivaji
    335 - 349
    2019-01-12
  • Positive solutions for singular impulsive Dirichlet boundary value problems
    Liang Bai, Juan J. Nieto
    561 - 584
    2018-11-03
  • Singular reaction diffusion equations where a parameter influences the reaction term and the boundary conditions
    Nalin Fonseka, Amila Muthunayake, Ratnasingham Shivaji, Byungjae Son
    221 - 242
    2021-02-08
  • Strongly resonant Robin problems with idefinite and unbounded potential
    Nikolaos S. Papageorgiou, George Smyrlis
    511 - 527
    2016-12-16
  • Multiplicity of solutions for polyharmonic Dirichlet problems with exponential nonlinearities and broken symmetry
    Edger Sterjo
    27 - 63
    2017-06-25
  • Existence and multiplicity of positive solutions for boundary value problems of 2d order ODE
    Patrick Habets, Marcellino Gaudenzi
    131 - 150
    1999-09-01
  • Coercive functionals and their relationship to multiplicity of solution to nonlocal boundary value problems
    Christopher S. Goodrich
    409 - 426
    2019-10-20
  • Note on periodic solutions of relativistic pendulum type systems
    Kazuya Hata, Jiaquan Liu, Zhi-Qiang Wang
    417 - 425
    2013-04-22
  • 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
  • Resonant Neumann equations with indefinite linear part
    Roberto Livrea, Nikolaos S. Papageorgiou, Giuseppina Barletta
    469 - 491
    2015-06-01
  • Multiplicity of nonradial solutions for a class of quasilinear equations on annulus with exponential critical growth
    Claudianor O. Alves, Luciana R. de Freitas
    243 - 262
    2012-04-23
  • Multiplicity of solutions for some elliptic equations involving critical and supercritical Sobolev exponents
    Shujie Li, Zhaoli Liu
    235 - 261
    2006-12-01
  • Multiple positive symmetric solutions of a singularly perturbed elliptic equation
    Mónica Clapp, Gustavo Izquierdo
    17 - 39
    2001-09-01
  • Quasilinear nonhomogeneous Schrödinger equation with critical exponential growth in R^n
    Tarciana Silva, Manassés de Souza, João Marcos do Ó
    615 - 639
    2015-06-01
  • Existence and multiplicity of nontrivial solutions for semilinear elliptic Dirichlet problems across resonance
    Xianojun Chang, Yong Li
    285 - 310
    2010-04-23
  • Multiplicity results for nonlocal fractional $p$-Kirchhoff equations via Morse theory
    Binlin Zhang, Giovanni Molica Bisci, Mingqi Xiang
    445 - 461
    2016-11-23
  • Existence and multiplicity results for wave equations with time-independent nonlinearity
    Juha Berkovits, Herbert Leinfelder, Vesa Mustonen
    273 - 295
    2003-12-01
  • On radial solutions for some elliptic equations involving operators with unbounded coefficients in exterior domains
    Anderson L. A. de Araujo, Luiz F.O. Faria, Salomón Alarcón, Leonelo Iturriaga
    699 - 723
    2022-12-11
  • Normalized solutions for the Schrödinger-Poisson system with doubly critical growth
    Yuxi Meng, Xiaoming He
    509 - 534
    2023-12-31
  • Multiple nonnegative solutions for elliptic boundary value problems involving the $p$-Laplacian
    Giovanni Anello
    355 - 366
    2005-12-01
  • The effect of the domain's configuration space on the number of nodal solutions of singularly perturbed elliptic equations
    Thomas Bartsch, Tobias Weth
    109 - 133
    2005-09-01
  • Multiplicity of positive solutions for a Kirchhoff type problem without asymptotic conditions
    Xiaotao Qian
    681 - 700
    2023-06-23
  • Moser-Harnack inequality, Krasnosel'skii type fixed point theorems in cones and elliptic problems
    Radu Precup
    301 - 313
    2012-04-23
  • Existence and multiplicity of sign-changing solutions for a Schrödinger-Bopp-Podolsky system
    Lixiong Wang, Haibo Chen, Senli Liu
    913 - 940
    2022-06-12
  • Positive solutions for a $2n$th-order $p$-Laplacian boundary value problem involving all even derivatives
    Jiafa Xu, Zhongli Wei, Youzheng Ding
    23 - 36
    2012-04-23
  • Multiple solitary wave solutions of nonlinear Schrödinger systems
    Rushun Tian, Zhi-Qiang Wang
    203 - 223
    2011-04-23
  • Existence and multiplicity of normalized solutions to lower critical Choquard equation with kinds of bounded potentials
    Xinfu Li, Li Xu
    61 - 86
    2024-06-16
  • Effect of external potentials in a coupled system of multi-component incongruent diffusion
    Yanheng Ding, Tian Xu
    715 - 750
    2019-11-14
  • Multiplicity results for fractional $p$-Laplacian problems with Hardy term and Hardy-Sobolev critical exponent in $\mathbb{R}^N$
    Hadi Mirzaee
    603 - 621
    2019-05-08
  • Sign-preserving solutions for a class of asymptotically linear systems of second-order ordinary differential equations
    Francesca Dalbono
    163 - 191
    2022-03-06
  • Multiplicity of solutions for nonhomogeneuous nonlinear elliptic equations with critical exponents
    Norimichi Hirano
    269 - 281
    2001-12-01
  • Existence and multiplicity of radially symmetric solutions for nonlinear Schrödinger equations
    Tomoharu Kinoshita
    667 - 692
    2023-12-31
  • 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
  • Multiplicity of multi-bump type nodal solutions for a class of elliptic problems in ${\Bbb R}^N$
    Claudianor O. Alves
    231 - 250
    2009-12-01
  • Positive radial solutions of the Dirichlet problem for the Minkowski-curvature equation in a ball
    Isabel Coelho, Chiara Corsato, Sabrina Rivetti
    23 - 39
    2016-04-12
  • Multiplicity and concentration of positive solutions to the double phase Kirchhoff type problems with critical growth
    Jie Yang, Lintao Liu, Fengjuan Meng
    481 - 513
    2024-03-03
  • Separating solutions of nonlinear problems using nonlinear generalized Rayleigh quotients
    Marcos Leandro Carvalho, Yavdat Il'yasov, Carlos Alberto Santos
    453 - 480
    2021-12-02
  • Infinitely many solutions for operator equations involving duality mappings on Orlicz-Sobolev spaces
    George Dinca, Pavel Matei
    49 - 76
    2009-09-01
  • Multiple solutions of compact $H$-surfaces in Euclidean space
    Yuxin Ge, Feng Zhou
    355 - 367
    2003-12-01
  • Multiplicity results for some quasilinear elliptic problems
    Francisco Odair de Paiva, João Marcos do Ó, Everaldo Souto de Medeiros
    77 - 89
    2009-09-01
  • Solutions to indefinite weakly coupled cooperative elliptic systems
    Mónica Clapp, Andrzej Szulkin
    553 - 568
    2021-09-12
  • A multiplicity result for a semilinear Maxwell type equation
    Antonio Azzollini
    83 - 110
    2008-03-01
  • Asymptotically critical points and multiple elastic bounce trajectories
    Antonio Marino, Claudio Saccon
    351 - 395
    2007-12-01
  • Global structure of positive solutions for superlinear second order $m$-point boundary value problems
    Ruyun Ma, Yulian An
    279 - 290
    2009-12-01
  • Multiple solutions for asymptotically linear resonant elliptic problems
    Francisco Odair de Paiva
    227 - 247
    2003-06-01
  • Mountain pass solutions and an indefinite superlinear elliptic problem on $\mathbb R^{\mathbb N}$
    Yihong Du, Yuxia Guo
    69 - 92
    2003-09-01
  • Existence and multiplicity results for semilinear equations with measure data
    Alberto Ferrero, Claudio Saccon
    285 - 318
    2006-12-01
  • Periodic solutions of singular Duffing equations under one-sided Lipschitz condition
    Tiantian Ma, Congmin Yang, Zaihong Wang
    301 - 320
    2025-02-14
  • Generalized Sturm-Liouville boundary conditions for first order differential systems in the plane
    Alessandro Fonda, Maurizio Garrione
    293 - 325
    2013-04-22
  • A multiplicity result for critical elliptic problems involving differences of local and nonlocal operators
    Kanishka Perera, Caterina Sportelli
    717 - 731
    2024-06-16
  • Multiplicity results for superquadratic Dirichlet boundary value problems in $\mathbb R^2$
    Anna Capietto, Walter Dambrosio
    19 - 28
    2008-03-01
  • The effect of the domain shape on the existence of positive solutions of the equation $\Delta u + u^{2^*-1} = 0$
    Donato Passaseo
    27 - 54
    1994-03-01
  • Existence of positive solutions for a second order periodic boundary value problem with impulsive effects
    Jiafa Xu, Zhongli Wei, Youzheng Ding
    11 - 22
    2016-04-12
1 - 89 of 89 items
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