## Found 81 Documents (Results 1–81)

100
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### Existence of nontrivial solutions for modified nonlinear fourth-order elliptic equations with indefinite potential. (English)Zbl 1479.35326

MSC:  35J30 35A01
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### Spacelike graphs with prescribed mean curvature on exterior domains in the Minkowski spacetime. (English)Zbl 1477.35088

MSC:  35J93 53C50
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### Schrödinger Robin problems with indefinite potential and logistic reaction. (English)Zbl 1465.35154

MSC:  35J20 35J60 58E05
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### Existence and concentration properties of ground state solutions for elliptic systems. (English)Zbl 1454.35065

MSC:  35J05 35J50 35E05
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### Nonlinear singular problems with indefinite potential term. (English)Zbl 1435.35176

MSC:  35J75 35J92 35P30
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### Loop type subcontinua of positive solutions for indefinite concave-convex problems. (English)Zbl 1421.35153

MSC:  35J91 35J25 35B32
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### Nodal solutions for nonlinear nonhomogeneous Robin problems. (English)Zbl 1409.35068

MSC:  35J20 35J60
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### Spacelike hypersurfaces in the Lorentz-Minkowski space with the same Riemannian and Lorentzian mean curvature. (English)Zbl 1402.53041

Cañadas-Pinedo, María A. (ed.) et al., Lorentzian geometry and related topics. GeLoMa 2016, Málaga, Spain, September 20–23, 2016. Cham: Springer (ISBN 978-3-319-66289-3/hbk; 978-3-319-66290-9/ebook). Springer Proceedings in Mathematics & Statistics 211, 1-12 (2017).
MSC:  53C42 35J93 53C50
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### Spacelike graphs of prescribed mean curvature in the steady state space. (English)Zbl 1352.35065

MSC:  35J93 53C50 53C42
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### Principal eigenvalues for systems of Schrödinger equations defined in the whole space with indefinite weights. (English)Zbl 1363.35110

MSC:  35J47 35P05
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### Ground state solutions for asymptotically periodic Schrödinger equations with indefinite linear part. (English)Zbl 1317.35024

MSC:  35J05 35J20 35J61
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### Entire spherically symmetric spacelike graphs with prescribed mean curvature function in Schwarzschild and Reissner-Nordström spacetimes. (English)Zbl 1312.83007

Classical Quantum Gravity 32, No. 3, Article ID 035018, 17 p. (2015); corrigendum ibid. 35, No. 5, Article ID 059501, 2 p. (2018).
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### Convexity of the solutions to the constant mean curvature spacelike surface equation in the Lorentz-Minkowski space. (English)Zbl 1308.35119

MSC:  35J93 53C42 53C50
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### On elliptic linear timelike parallel Weingarten surfaces satisfying the condition $$2a^r H^r + b^r K^r = c^r$$. (English)Zbl 1473.53015

MSC:  53A35 53A55 53B30

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### Nonnegative solutions to $$p$$-Laplacian elliptic problems. (English)Zbl 1313.35072

MSC:  35J05 35B33

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### Positivity and negativity of solutions to $$n\times n$$ weighted systems involving the Laplace operator on $$\mathbb R^N$$. (English)Zbl 1387.35177

MSC:  35J47 35B50 35J05
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### $$r$$-stable spacelike hypersurfaces in conformally stationary spacetimes. (English)Zbl 1235.53062

MSC:  53C42 53C50
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### Linking solutions for $$N$$-Laplace elliptic equations with Hardy-Sobolev operator and indefinite weights. (English)Zbl 1236.35030

MSC:  35J20 35J70 35J60
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### On the principal frequency curve of the $$p$$-biharmonic operator. (English)Zbl 1228.35166

MSC:  35P30 35J60 47J30
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### Spacelike hypersurfaces of prescribed Gauss-Kronecker curvature in exterior domains. (English)Zbl 1187.53018

MSC:  53B25 53B30 35J93
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### Weighted norm inequalities with positive and indefinite weights. (English)Zbl 1161.31003

Mitrea, Dorina (ed.) et al., Perspectives in partial differential equations, harmonic analysis and applications. A volume in honor of Vladimir G. Maz’ya’s 70th birthday. Providence, RI: American Mathematical Society (AMS) (ISBN 978-0-8218-4424-3/hbk). Proceedings of Symposia in Pure Mathematics 79, 377-406 (2008).

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### Critical point theory and its applications. (English)Zbl 1125.58004

New York, NY: Springer (ISBN 0-387-32965-X; 0-387-32968-4/ebook). xii, 318 p. (2006).

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### Complex symplectic spaces and boundary value problems. (English)Zbl 1091.46002

MSC:  46A03 47F05 37K05 46C20 35J40 34B05
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### Logistic Dirichlet problems with discontinuous coefficients. (English)Zbl 1064.35059

MSC:  35J65 92D25 47D07
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### Eigenvalue asymptotics for an elliptic boundary problem involving an indefinite weight. (English)Zbl 1142.35532

MSC:  35P20 35J40 47F05
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### The characteristic spectrum of the reduced wave equation with periodic coefficients in the three-dimensional space. (English. Russian original)Zbl 0987.35115

J. Math. Sci., New York 105, No. 5, 2377-2397 (2001); translation from Probl. Mat. Anal. 21, 110-137 (2000).

### M-accretive extensions of sectorial operators and Krein spaces. (English)Zbl 0960.47004

Adamyan, V. M. (ed.) et al., Operator theory and related topics. Proceedings of the Mark Krein international conference on operator theory and applications, Odessa, Ukraine, August 18-22, 1997. Volume II. Basel: Birkhäuser. Oper. Theory, Adv. Appl. 118, 67-82 (2000).
MSC:  47A20 47B44 46C20

### Strongly indefinite variational problems with lack of compactness. (English)Zbl 0962.35050

Magalhães, L. (ed.) et al., International conference on differential equations. Papers from the conference, EQUADIFF 95, Lisboa, Portugal, July 24-29, 1995. Singapore: World Scientific. 536-540 (1998).
MSC:  35J20 35J10 35A15

### On a semilinear Schrödinger equation with periodic potential. (English)Zbl 0952.35047

MSC:  35J60 35B10 35A35
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### Biharmonic Hopf cylinders. (English)Zbl 0980.53069

MSC:  53C40 53C50
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### Examples of positive operators in Krein space with 0 a regular critical point of infinite rank. (English)Zbl 0908.47028

Gohberg, I. (ed.) et al., Differential and integral operators. Vol. I. Proceedings of the international workshop on operator theory and applications, IWOTA 95, Regensburg, Germany, July 31-August 4, 1995. Basel: Birkhäuser. Oper. Theory, Adv. Appl. 102, 51-56 (1998).

### Infinitely many entire solutions of an elliptic system with symmetry. (English)Zbl 0895.35028

MSC:  35J55 58E05 35J60 35J20
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### Some existence results of solutions for the semilinear elliptic equations on $$\mathbb{R}^ N$$. (English)Zbl 0829.35032

MSC:  35J60 35J20
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### A Krein space approach to elliptic eigenvalue problems with indefinite weights. (English)Zbl 0815.47044

Reviewer: T.Balan (Craiova)

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### Boundary problems of the second order with an indefinite weight-function. (English)Zbl 0668.35073

Reviewer: W.Allegretto
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### On the multi-level splitting of finite element spaces for indefinite elliptic boundary value problems. (English)Zbl 0616.65102

Reviewer: G.Stoyan
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### Valeurs propres de problèmes elliptiques ”indéfinis”. (Eigenvalues of ”indefinite” elliptic problems). (French)Zbl 0601.35088

MSC:  35P20 35J30

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