Works matching DE "CRITICAL point theory"

Results: 1091

A Four-Point Theorem: Yet Another Variation on an Old Theme.

Published in:

Mathematical Intelligencer, 2025, v. 47, n. 2, p. 171, doi. 10.1007/s00283-024-10399-2

By:

Tabachnikov, Serge

Publication type:

Article

QUEM ENFRENTAR UM MONSTRO DEVE TOMAR CUIDADO PARA NÃO SE TORNAR OUTRO: PETER SLOTERDIJK E A NEGAÇÃO DA TEORIA CRÍTICA.

Published in:

Trans/Form/Ação, 2025, v. 48, n. 4, p. 1, doi. 10.1590/0101-3173.2025.v48.n4.e025045

By:

Marques Rodrigues, Bräulio

Publication type:

Article

Degeneracy and Bi–Nonlocal Effects in Weighted Quasilinear Elliptic Problems: Existence of Multiple Weak Solutions.

Published in:

Mathematical Methods in the Applied Sciences, 2025, v. 48, n. 11, p. 11171, doi. 10.1002/mma.10952

By:

Kefi, Khaled;
Ouerghi, Haikel;
Benali, Khaled;
Chniba, Riheb

Publication type:

Article

IMAGE REGULARITY CONDITIONS BASED ON NONCONVEX SEPARATION WITH APPLICATIONS.

Published in:

Journal of Nonlinear & Variational Analysis, 2025, v. 9, n. 4, p. 481, doi. 10.23952/jnva.9.2025.4.02

By:

CHAOLI YAO;
TAMMER, CHRISTIANE;
GÜNTHER, CHRISTIAN G.

Publication type:

Article

The positive solutions to a quasi-linear problem of fractional p-Laplacian type without the Ambrosetti-Rabinowitz condition.

Published in:

Positivity, 2018, v. 22, n. 3, p. 873, doi. 10.1007/s11117-018-0551-z

By:

Ge, Bin;
Cui, Ying-Xin;
Sun, Liang-Liang;
Ferrara, Massimiliano

Publication type:

Article

Some relations between vector variational inequality problems and nonsmooth vector optimization problems using quasi efficiency.

Published in:

Positivity, 2013, v. 17, n. 4, p. 1071, doi. 10.1007/s11117-013-0221-0

By:

Mishra, S. K.;
Upadhyay, B. B.

Publication type:

Article

Positive solutions for nonlinear Neumann problems with concave and convex terms.

Published in:

Positivity, 2012, v. 16, n. 2, p. 271, doi. 10.1007/s11117-011-0124-x

By:

Papageorgiou, Nikolaos;
Smyrlis, George

Publication type:

Article

On variational methods to a generalized Emden–Fowler equation.

Published in:

Positivity, 2010, v. 14, n. 2, p. 335, doi. 10.1007/s11117-009-0021-8

By:

Kaimin Teng

Publication type:

Article

Towards existence theorems to affine p-Laplace equations via variational approach.

Published in:

Calculus of Variations & Partial Differential Equations, 2024, v. 63, n. 3, p. 1, doi. 10.1007/s00526-024-02678-9

By:

Leite, Edir Júnior Ferreira;
Montenegro, Marcos

Publication type:

Article

Construction of solutions for the polyharmonic equation via local Pohozaev identities.

Published in:

Calculus of Variations & Partial Differential Equations, 2019, v. 58, n. 4, p. N.PAG, doi. 10.1007/s00526-019-1569-1

By:

Guo, Yuxia;
Liu, Ting;
Nie, Jianjun

Publication type:

Article

Existence of bubbling solutions for the Liouville system in a torus.

Published in:

Calculus of Variations & Partial Differential Equations, 2019, v. 58, n. 3, p. N.PAG, doi. 10.1007/s00526-019-1534-z

By:

Huang, Hsin-Yuan

Publication type:

Article

Invariance of critical points under Kelvin transform and multiple solutions in exterior domains of R2.

Published in:

Calculus of Variations & Partial Differential Equations, 2019, v. 58, n. 2, p. N.PAG, doi. 10.1007/s00526-019-1519-y

By:

Carl, Siegfried;
Costa, David G.;
Fotouhi, Morteza;
Tehrani, Hossein

Publication type:

Article

Uniform regularity results for critical and subcritical surface energies.

Published in:

Calculus of Variations & Partial Differential Equations, 2019, v. 58, n. 1, p. 1, doi. 10.1007/s00526-018-1457-0

By:

Bernard, Yann;
Rivière, Tristan

Publication type:

Article

On the analyticity of critical points of the Möbius energy.

Published in:

Calculus of Variations & Partial Differential Equations, 2019, v. 58, n. 1, p. 1, doi. 10.1007/s00526-018-1443-6

By:

Blatt, Simon;
Vorderobermeier, Nicole

Publication type:

Article

Multiple orthogonal geodesic chords in nonconvex Riemannian disks using obstacles.

Published in:

Calculus of Variations & Partial Differential Equations, 2018, v. 57, n. 5, p. 1, doi. 10.1007/s00526-018-1394-y

By:

Giambò, Roberto;
Giannoni, Fabio;
Piccione, Paolo

Publication type:

Article

A new and extended variational characterization of the Fučík Spectrum with application to nonresonance and resonance problems.

Published in:

Calculus of Variations & Partial Differential Equations, 2018, v. 57, n. 1, p. 1, doi. 10.1007/s00526-017-1276-8

By:

Drábek, Pavel;
Robinson, Stephen B.

Publication type:

Article

Uniqueness of positive bound states with multi-bump for nonlinear Schrödinger equations.

Published in:

Calculus of Variations & Partial Differential Equations, 2015, v. 54, n. 4, p. 4037, doi. 10.1007/s00526-015-0930-2

By:

Cao, Daomin;
Li, Shuanglong;
Luo, Peng

Publication type:

Article

Regularity of $$C^1$$ surfaces with prescribed mean curvature in three-dimensional contact sub-Riemannian manifolds.

Published in:

Calculus of Variations & Partial Differential Equations, 2015, v. 54, n. 3, p. 2503, doi. 10.1007/s00526-015-0873-7

By:

Galli, Matteo;
Ritoré, Manuel

Publication type:

Article

Some rigidity results on critical metrics for quadratic functionals.

Published in:

Calculus of Variations & Partial Differential Equations, 2015, v. 54, n. 3, p. 2921, doi. 10.1007/s00526-015-0889-z

By:

Catino, Giovanni

Publication type:

Article

Geometric gradient estimates for solutions to degenerate elliptic equations.

Published in:

Calculus of Variations & Partial Differential Equations, 2015, v. 53, n. 3/4, p. 605, doi. 10.1007/s00526-014-0760-7

By:

Araújo, Damião;
Ricarte, Gleydson;
Teixeira, Eduardo

Publication type:

Article

Multiple mixed states of nodal solutions for nonlinear Schrödinger systems.

Published in:

Calculus of Variations & Partial Differential Equations, 2015, v. 52, n. 3/4, p. 565, doi. 10.1007/s00526-014-0724-y

By:

Liu, Jiaquan;
Liu, Xiangqing;
Wang, Zhi-qiang

Publication type:

Article

Homology computation for a class of contact structures on $$T^3$$.

Published in:

Calculus of Variations & Partial Differential Equations, 2014, v. 50, n. 3/4, p. 599, doi. 10.1007/s00526-013-0648-y

By:

Maalaoui, Ali;
Martino, Vittorio

Publication type:

Article

Hypersurfaces with constant anisotropic mean curvature in Riemannian manifolds.

Published in:

Calculus of Variations & Partial Differential Equations, 2014, v. 50, n. 1/2, p. 335, doi. 10.1007/s00526-013-0638-0

By:

Lira, Jorge;
Melo, Marcelo

Publication type:

Article

Quasilinear elliptic equations in $$\mathbb{R }^{N}$$ via variational methods and Orlicz-Sobolev embeddings.

Published in:

Calculus of Variations & Partial Differential Equations, 2014, v. 49, n. 1/2, p. 197, doi. 10.1007/s00526-012-0578-0

By:

Azzollini, A.;
d'Avenia, P.;
Pomponio, A.

Publication type:

Article

Critical points for functionals with quasilinear singular Euler-Lagrange equations.

Published in:

Calculus of Variations & Partial Differential Equations, 2013, v. 47, n. 1/2, p. 159, doi. 10.1007/s00526-012-0514-3

By:

Arcoya, David;
Boccardo, Lucio;
Orsina, Luigi

Publication type:

Article

On superlinear Schrödinger equations with periodic potential.

Published in:

Calculus of Variations & Partial Differential Equations, 2012, v. 45, n. 1/2, p. 1, doi. 10.1007/s00526-011-0447-2

By:

Liu, Shibo

Publication type:

Article

Weak KAM Theory topics in the stationary ergodic setting.

Published in:

Calculus of Variations & Partial Differential Equations, 2012, v. 44, n. 3/4, p. 319, doi. 10.1007/s00526-011-0436-5

By:

Davini, Andrea;
Siconolfi, Antonio

Publication type:

Article

Beyond the Trudinger-Moser supremum.

Published in:

Calculus of Variations & Partial Differential Equations, 2012, v. 44, n. 3/4, p. 543, doi. 10.1007/s00526-011-0444-5

By:

Pino, Manuel;
Musso, Monica;
Ruf, Bernhard

Publication type:

Article

The Webster scalar curvature revisited: the case of the three dimensional CR sphere.

Published in:

Calculus of Variations & Partial Differential Equations, 2011, v. 42, n. 1/2, p. 107, doi. 10.1007/s00526-010-0382-7

By:

Salem, Eljazi;
Gamara, Najoua

Publication type:

Article

Critical points of solutions of degenerate elliptic equations in the plane.

Published in:

Calculus of Variations & Partial Differential Equations, 2010, v. 39, n. 1/2, p. 121, doi. 10.1007/s00526-009-0304-8

By:

Cecchini, Simone;
Magnanini, Rolando

Publication type:

Article

Large solutions for biharmonic maps in four dimensions.

Published in:

Calculus of Variations & Partial Differential Equations, 2007, v. 30, n. 4, p. 417, doi. 10.1007/s00526-007-0095-8

By:

Angelsberg, Gilles

Publication type:

Article

Multiple solutions of sublinear Lane-Emden elliptic equations.

Published in:

Calculus of Variations & Partial Differential Equations, 2006, v. 26, n. 1, p. 29, doi. 10.1007/s00526-005-0341-x

By:

Kajikiya, Ryuji

Publication type:

Article

High energy positive solutions of Neumann problem for an elliptic system of equations with critical nonlinearities.

Published in:

Calculus of Variations & Partial Differential Equations, 2006, v. 25, n. 2, p. 161, doi. 10.1007/s00526-005-0338-5

By:

Daomin Cao;
Pigong Han

Publication type:

Article

Unstable extremal surfaces of the “Shiffman-functional”.

Published in:

Calculus of Variations & Partial Differential Equations, 2004, v. 21, n. 4, p. 401, doi. 10.1007/s00526-003-0262-5

By:

Jakob, R.

Publication type:

Article

Critical points of nonconvex and noncoercive functionals.

Published in:

2004

By:

Kielhöfer, Hansjörg

Publication type:

Correction Notice

Dirichlet problem with indefinite nonlinearities.

Published in:

Calculus of Variations & Partial Differential Equations, 2004, v. 20, n. 3, p. 257, doi. 10.1007/s00526-003-0236-7

By:

Kung-Ching Chang;
Mei-Yue Jiang

Publication type:

Article

Extremal pole placement in control systems with a low order controller.

Published in:

Automation & Remote Control, 2014, v. 75, n. 10, p. 1717, doi. 10.1134/S0005117914100014

By:

Chekhonadskikh, A.

Publication type:

Article

Two Positive Solutions for Elliptic Differential Inclusions.

Published in:

AppliedMath, 2024, v. 4, n. 4, p. 1404, doi. 10.3390/appliedmath4040074

By:

Bonanno, Gabriele;
Morabito, Valeria;
O'Regan, Donal;
Vassallo, Bruno

Publication type:

Article

A NOTE ON DIFFERENTIABILITY OF GLOBAL OPTIMAL VALUES.

Published in:

Mathematics of Operations Research, 1985, v. 10, n. 4, p. 612, doi. 10.1287/moor.10.4.612

By:

Fujiwara, Okitsugu

Publication type:

Article

MORSE PROGRAMS: A TOPOLOGICAL APPROACH TO SMOOTH CONSTRAINED OPTIMIZATION. I.

Published in:

Mathematics of Operations Research, 1982, v. 7, n. 4, p. 602, doi. 10.1287/moor.7.4.602

By:

Fujiwara, Okitsugu

Publication type:

Article

Asymptotic zero distribution for a class of extremal polynomials.

Published in:

Bulletin of Mathematical Sciences (World Scientific), 2021, v. 11, n. 1, p. 1, doi. 10.1142/S166436071950019X

By:

Díaz González, A.;
López Lagomasino, G.;
Pijeira Cabrera, H.

Publication type:

Article

Multiplicity of solutions for p(x)-curl systems arising in electromagnetism.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2024, p. 1, doi. 10.14232/ejqtde.2024.1.76

By:

Gharehgazlouei, Fariba;
Afrouzi, Ghasem Alizadeh

Publication type:

Article

A modified zero energy critical point theory with applications to several nonlocal problems.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2024, p. 1, doi. 10.14232/ejqtde.2024.1.6

By:

Xinzhong Liang;
Binlin Zhang

Publication type:

Article

Multiple positive solutions for a fractional Kirchhoff type equation with logarithmic and singular nonlinearities.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2023, p. 1, doi. 10.14232/ejqtde.2023.1.53

By:

Jun Lei

Publication type:

Article

Multiple subharmonic solutions with prescribed minimal periods for a class of second order impulsive differential systems.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2023, p. 1, doi. 10.14232/ejqtde.2023.1.56

By:

Huaxin Ou

Publication type:

Article

Homoclinic orbits for periodic second order Hamiltonian systems with superlinear terms.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2022, p. 1, doi. 10.14232/ejqtde.2022.1.61

By:

Haiyan Lv;
Guanwei Chen

Publication type:

Article

Multiple positive solutions for singular anisotropic Dirichlet problems.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2021, n. 92-94, p. 1, doi. 10.14232/ejqtde.2021.1.47

By:

Zhenhai Liu;
Papageorgiou, Nikolaos S.

Publication type:

Article

Multiple positive solutions for a logarithmic Schrödinger-Poisson system with singular nonlinearity.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2021, n. 92-94, p. 1, doi. 10.14232/ejqtde.2021.1.90

By:

Linyan Peng;
Hongmin Suo;
Deke Wu;
Hongxi Feng;
Chunyu Lei

Publication type:

Article

Periodic solutions of second order Hamiltonian systems with nonlinearity of general linear growth.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2021, n. 92-94, p. 1, doi. 10.14232/ejqtde.2021.1.27

By:

Guanggang Liu

Publication type:

Article

Ground state solution for a class of supercritical nonlocal equations with variable exponent.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2021, n. 92-94, p. 1, doi. 10.14232/ejqtde.2021.1.59

By:

Xiaojing Feng

Publication type:

Article