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Found 161 items.

Positive solutions of Neumann boundary value problems and applications to logistic type population models

Ziyi Cai, Kunquan Lan

35 - 52

2022-03-06
Existence of positive solutions to systems of nonlinear integral or differential equations

Xiyou Cheng, Zhitao Zhang

267 - 277

2009-12-01
Three positive solutions for the indefinite fractional Schrödinger-Poisson systems

Guofeng Che, Tsung-fang Wu

53 - 81

2023-09-23
Twin positive periodic solutions of second order singular differential systems

Xiaoning Lin, Daqing Jiang, Donal O'Regan, Ravi P. Agarwal

263 - 273

2005-06-01
Structure of large positive solutions of some semilinear elliptic problems where the nonlinearity changes sign

Zongming Guo

41 - 71

2001-09-01
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
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
Ground state solutions for a critical fractional Laplacian equation in unbounded domains: existence and regularity

Yansheng Shen

621 - 653

2024-12-28
Forced singular oscillators and the method of lower and upper solutions

Denis Bonheure, Colette De Coster

297 - 317

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
Nodal solutions for a critical Kirchhoff type problem in $\mathbb{R}^N$

Xiao-Jing Zhong, Chun-Lei Tang

549 - 568

2021-12-02
Positive solutions of singularly perturbed nonlinear elliptic problem on Riemannian manifolds with boundary

Marco Ghimenti, Anna Maria Micheletti

319 - 337

2010-04-23
Multiple solutions of degenerate perturbed elliptic problems involving a subcritical Sobolev exponent

Florica Şt. Cîrstea, Vicenţiu D. Rădulescu

283 - 300

2000-06-01
A three solutions theorem for Pucci's extremal operator and its application

Mohan Mallick, Ram Baran Verma

161 - 179

2021-09-12
Asymptotic behavior of solutions of some nonlinearly damped wave equations on $\mathbb R^N$

Nikos Karachalios, Nikos M. Stavrakakis

73 - 87

2001-09-01
Normalized solutions to a class of Choquard-type equations with potential

Lei Long, Xiaojing Feng

515 - 536

2024-03-03
Existence of periodic traveling-wave solutions for a nonlinear Schrödinger system: A topological approach

Nghiem V. Nguyen

129 - 155

2016-04-12
Positive solutions for a nonconvex elliptic Dirichlet problem with superlinear response

Andrzej Nowakowski, Aleksandra Orpel

177 - 194

2006-03-01
Mountain pass solutions and an indefinite superlinear elliptic problem on $\mathbb R^{\mathbb N}$

Yihong Du, Yuxia Guo

69 - 92

2003-09-01
Existence of multiple positive solutions for a nonlocal boundary value problem

George L. Karakostas, Panagiotis Ch. Tsamatos

109 - 121

2002-03-01
On decay and blow-up of solutions for a singular nonlocal viscoelastic problem with a nonlinear source term

Wenjun Liu, Yun Sun, Gang Li

299 - 323

2016-10-27
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
Positive solutions of elliptic equations with discontinuous nonlinearities

Gabriele Bonanno, Salvatore A. Marano

263 - 273

1996-12-01
Global structure of positive solutions for superlinear second order $m$-point boundary value problems

Ruyun Ma, Yulian An

279 - 290

2009-12-01
An indefinite concave-convex equation under a Neumann boundary condition II

Humberto Ramos Quoirin, Kenichiro Umezu

739 - 756

2017-05-21
Existence of positive solutions in the space of Hölder functions for a class of nonlinear fractional differential equations with integral boundary conditions

Josefa Caballero, Jackie Harjani, Belén López, Kishin Sadarangani

185 - 196

2024-03-03
A priori bounds and existence of positive solutions for fractional Kirchhoff equations

Pengfei Li, Junhui Xie, Dan Mu

203 - 220

2022-08-31
Linearized stability for degenerate and singular semilinear and quasilinear parabolic problems: the linearized singular equation

Jesús Ildefonso Diaz, Jesús Hernández

937 - 966

2019-11-14
On the existence of positive entire solutions of nonlinear elliptic equations

Marco Squassina

23 - 39

2001-03-01
Positive periodic solutions of superlinear systems of integral equations depending on parameters

Shugui Kang, Sui Sun Cheng

387 - 398

2006-06-01
Heteroclinic solutions between stationary points at different energy levels

Vittorio Coti Zelati, Paul H. Rabinowitz

1 - 21

2001-03-01
Existence and concentration of local mountain passes for a nonlinear elliptic field equation in the semi-classical limit

Teresa D'Aprile

239 - 275

2001-06-01
Comparison results and existence of bounded solutions to strongly nonlinear second order differential equations

Cristina Marcelli, Francesca Papalini

91 - 110

2009-09-01
A note on positive solutions of Lichnerowicz equations involving the $\Delta_\lambda$-Laplacian

Anh Tuan Duong, Thi Quynh Nguyen

591 - 600

2023-09-23
Uniqueness of solutions for boundary value problems for nonlinear fractional differential equations

Wenhao Hu, Zhaocai Hao, Martin Bohner

1 - 14

2025-06-14
Positive solutions of a Neumann problem with competing critical nonlinearities

Jan Chabrowski, Stathis Filippas, Achilles Tertikas

1 - 31

2006-09-01
Infinitely many positive solutions for a double phase problems involving the double phase operator

Chunbo Lian, Bin Ge, Qinghai Cao, Yu Zhang

493 - 507

2024-09-21
On the number of stable positive solutions of weakly nonlinear elliptic equations when the diffusion is small

Edward N. Dancer

467 - 474

2021-05-25
Global multiplicity for parametric anisotropic Neumann (p,q)-equations

Nikolaos S. Papageorgiou, Vicenţiu D. Rădulescu, Dušan D. Repovš

393 - 422

2023-02-26
Normalized solutions for nonlinear fractional Kirchhoff type systems

Lingzheng Kong, Haibo Chen

153 - 183

2022-08-31
A remark on minimal nodal solutions of an elliptic problem in a ball

Olaf Torné

199 - 207

2004-12-01
Nodal solutions for nonlinear nonhomogeneous Neumann equations

Sergiu Aizicovici, Nikolaos S. Papageorgiou, Vasile Staicu

421 - 438

2016-04-12
Existence and concentration of nodal solutions to a class of quasilinear problems

Claudianor O. Alves, Giovany M. Figueiredo

279 - 293

2007-06-01
Singularly perturbed Neumann problems with potentials

Alessio Pomponio

301 - 322

2004-06-01
A singular perturbed problem with critical Sobolev exponent

Mengyao Chen, Qi Li

181 - 207

2021-09-12
Multiple nodal solutions for a critical nonlinear Choquard equation

Eudes Mendes Barboza, Olímpio H. Miyagaki, Claudia R. Santana

1 - 34

2025-06-14
Elliptic problems on weighted locally finite graphs

Maurizio Imbesi, Giovanni Molica Bisci, Dušan D. Repovš

501 - 526

2023-03-04
A class of singular $k_i$-Hessian systems

Meiqiang Feng

341 - 365

2023-09-23
Σ-shaped bifurcation curves influenced by nonlinear boundary conditions for classes of reaction diffusion systems

Ananta Acharya, Nalin Fonseka, Alketa Henderson, Ratnasingham Shivaji

1 - 26

2025-06-14
On an asymptotically linear singular boundary value problems

Dinh Dang Hai

83 - 92

2012-04-23
On positive solutions of indefinite inhomogeneous Neumann boundary value problems

Yavdat Il'yasov, Thomas Runst

41 - 67

2004-09-01
Positive solutions of nonlinear elliptic problems approximating degenerate equations

Monica Musso, Donato Passaseo

371 - 397

1995-12-01
Normalized solutions to a non-variational Schrödinger system

Mónica Clapp, Andrzej Szulkin

445 - 464

2023-03-04
Connectedness of the branch of positive solutions of some weakly nonlinear elliptic equations

E. Norman Dancer

91 - 104

1993-09-01
Existence and multiplicity results for semilinear ellipctic equations with measure data and jumping nonlinearities

Alberto Ferrero, Claudio Saccon

37 - 65

2007-09-01
Multiple positive solutions for a singularly perturbed Dirichlet problem in "geometrically trivial" domains

Giovanna Cerami, Caterina Maniscalco

63 - 76

2002-03-01
Concentrating solutions for a class of indefinite Schrödinger-Poisson systems with doubly critical growth

Liejun Shen, Marco Squassina

1 - 33

2025-06-14
Three solutions for a Neumann problem

Biagio Ricceri

275 - 281

2002-12-01
A classical approach for the $p$-Laplacian in oscillating thin domains

Jean Carlos Nakasato, Marcone Corrêa Pereira

209 - 231

2021-09-23
Multiplicity of solutions to critical p-Laplace equations involving a Hardy potential

Diem Hang T. Le, Phuong Le

287 - 299

2025-02-14
Multiplicity of 2-nodal solutions of the Yamabe equation

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

361 - 379

2024-09-21

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