"Manifolds and Cell Complexes (incl. Diff.Topology)" . . "Solution périodique." . . "Groupe symétrique." . . "Kritischer Punkt <Mathematik>" . . "Bifurcation." . . "Système hamiltonien." . . "Variationsrechnung." . . "Indice Conley." . . "Càlcul de variacions." . . . . "Funciones simétricas." . . "Anàlisi global (Matemàtica)" . . "Topologie équivariante." . . "Catégorie Ljusternik-Schnirelman." . . "Topología." . . "Symmetrie." . . "Symmetrie" . "Analiza variacijski račun." . . "Rachunek wariacyjny." . . "Théorie du point critique (Topologie)" . . "Punkty krytyczne (analiza matematyczna)." . . "SpringerLink (Service en ligne)" . . "Calcul des variations." . . "Grupy symetrii." . . "Symétrie." . . "Punt crític." . . "Topologie algébrique." . . "Topologia algebraica" . . "Topologia algebraica." . "Topologie" . . "Topologie." . "Cell aggregation_xMathematics." . . "Symetria (fizyka)." . . "Singularität (Mathematik)" . . "Morse-Theorie" . . "Morse-Theorie." . "Matemàtica." . . "Longueur." . . "Points critiques, Théorie des (Analyse mathématique)" . . "Algebraic Topology." . . "Théorie des points critiques (Analyse mathématique)" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Topological methods for variational problems with symmetries"@it . . "Topological methods for variational problems with symmetries" . "Topological methods for variational problems with symmetries"@en . . . . . . . . . . . . . . . . "Topological Methods for Variational Problems with Symmetries" . . "Llibres electrònics" . . . "Electronic books"@en . . . . . . . . . . . . . . . "Symmetry has a strong impact on the number and shape of solutions to variational problems. This has been observed, for instance, in the search for periodic solutions of Hamiltonian systems or of the nonlinear wave equation; when one is interested in elliptic equations on symmetric domains or in the corresponding semiflows; and when one is looking for \"special\" solutions of these problems. This book is concerned with Lusternik-Schnirelmann theory and Morse-Conley theory for group invariant functionals. These topological methods are developed in detail with new calculations of the equivariant Lusternik-Schnirelmann category and versions of the Borsuk-Ulam theorem for very general classes of symmetry groups. The Morse-Conley theory is applied to bifurcation problems, in particular to the bifurcation of steady states and hetero-clinic orbits of O(3)-symmetric flows; and to the existence of periodic solutions nearequilibria of symmetric Hamiltonian systems. Some familiarity with the usualminimax theory and basic algebraic topology is assumed."@en . . . . . . . . . . . . . . . . . . . . . "Kritischer Punkt (Mathematik)" . . "Problème variationnel." . . "Symétriques (théorie des groupes)" . . "Globale analyse." . . "Variationsproblem" . . "Variationsproblem." . "Grups simètrics." . . "Point critique." . . "Varietats diferenciables" . . "Varietats diferenciables." . "Analysis." . . "Methode." . . "Algebraïsche topologie." . . "Groupes symétriques." . . "G-espace." . . "Groupes, Théorie des Symétriques." . .