%0 Book %T Spectral Theory and Differential Operators %A D. E. Edmunds %A W. D. Evans %D 1987 %I Oxford Clarendon Press %C New York %F Edmunds1987 %0 Book %T On Spectral Theory of Elliptic Operators %A Y. Egorov %A V. Kondratiev %D 1996 %I Birkhäuser Verlag %C Basel %F Egorov1996 %0 Book %T Variational Methods for Strongly Indefinite Problems %A Y. Ding %D 2007 %I World Scientific Publishing Co. %C Hackensack %F Ding2007 %0 Journal Article %T Multiple solutions of Schrödinger equations with indefinite linear part and super or asymptotically linear terms %A Y. Ding %A C. Lee %J J. Differential Equations %D 2006 %V 222 %F Ding2006 %0 Journal Article %T Bound states for semilinear Schrödinger equations with sign-changing potential %A Y. Ding %A A. Szulkin %J Calc. Var. Partial Differential Equations %D 2007 %V 29 %F Ding2007 %0 Journal Article %T Generalized linking theorem with an application to a semilinear Schrödinger equation %A W. Kryszewski %A A. Suzlkin %J Adv. Differential Equations %D 1998 %V 3 %F Kryszewski1998 %0 Journal Article %T An asymptotically periodic Schrödinger equation with indefinite linear part %A G. B. Li %A A. Szulkin %J Commun Contemp Math. %D 2002 %V 4 %F Li2002 %0 Journal Article %T Ground states of nonlinear Schrödinger equations with potentials %A Y. Li %A Z. Q. Wang %A J. Zeng %J Ann. Inst. H. Poincaré Anal. Non Liné aire %D 2006 %V 23 %F Li2006 %0 Journal Article %T Semiclassical solutions of perturbed p-Laplacian equations with critical nonlinearity %A X. Lin %A X. H. Tang %J J. Math. Anal. Appl. %D 2014 %V 413 %F Lin2014 %0 Journal Article %T Nehari-type ground state solutions for superlinear asymptotically periodic Schrödinger equation %A X. Lin %A X. H. Tang %J Abstr. Appl. Anal. %D 2014 %V 2014 %F Lin2014 %0 Journal Article %T The concentration-compactness principle in the calculus of variations %A P. L. Lions %J Ann. Inst. H. Poincaré Anal. Non Linéaire %D 1984 %V 1 %F Lions1984 %0 Journal Article %T On superlinear Schrödinger equations with periodic potential %A S. Liu %J Calc. Var. Partial Differential Equations %D 2012 %V 45 %F Liu2012 %0 Journal Article %T Periodic nonlinear Schrödinger equations with application to photonic crystals %A A. Pankov %J Milan. J. Math. %D 2005 %V 73 %F Pankov2005 %0 Journal Article %T Periodic nonlinear Schrödinger equation with application to photonic crystals %A A. Pankov %J Milan. J. Math. %D 2005 %V 73 %F Pankov2005 %0 Journal Article %T On a class of nonlinear Schrödinger equations %A P. H. Rabinowitz %J Z. Angew. Math. Phys. %D 1992 %V 43 %F Rabinowitz1992 %0 Journal Article %T Superlinear Schrödinger operators %A M. Schechter %J J. Funct Anal. %D 2012 %V 262 %F Schechter2012 %0 Journal Article %T Ground state solutions for some indefinite variational problems %A A. Szulkin %A T. Weth %J J. Funct. Anal. %D 2009 %V 257 %F Szulkin2009 %0 Journal Article %T Infinitely many solutions for semilinear Schrödinger equations with sign-changing potential and nonlinearity %A X. H. Tang %J J. Math. Anal. Appl. %D 2013 %V 401 %F Tang2013 %0 Journal Article %T New conditions on nonlinearity for a periodic Schrödinger equation having zero as spectrum %A X. H. Tang %J J. Math. Anal. Appl. %D 2014 %V 413 %F Tang2014 %0 Journal Article %T New super-quadratic conditions on ground state solutions for superlinear Schrödinger equation %A X. H. Tang %J Adv. Nonlinear Stud. %D 2014 %V 14 %F Tang2014 %0 Journal Article %T Non-Nehari manifold method for asymptotically periodic Schrödinger equations %A X. H. Tang %J Sci China Math. %D 2015 %V 58 %F Tang 2015 %0 Journal Article %T Nontrivial solution of a semilinear Schrödinger equation %A C. Troestler %A M. Willem %J Comm. Partial Differential Equations %D 1996 %V 21 %F Troestler1996 %0 Book %T Minimax Theorems %A M. Willem %D 1996 %I Brikhauser Boston %C Boston %F Willem1996 %0 Journal Article %T Ground state solutions for a periodic periodic Schrödinger equation with superlinear nonlinearities %A M. Yang %J Nonlinear. Anal. %D 2010 %V 72 %F Yang2010