Harmonic Maps and Minimal Immersions with Symmetries (AM-130), Volume 130
Princeton University Press (Verlag)
978-0-691-10249-8 (ISBN)
The aim of this book is to study harmonic maps, minimal and parallel mean curvature immersions in the presence of symmetry. In several instances, the latter permits reduction of the original elliptic variational problem to the qualitative study of certain ordinary differential equations: the authors' primary objective is to provide representative examples to illustrate these reduction methods and their associated analysis with geometric and topological applications. The material covered by the book displays a solid interplay involving geometry, analysis and topology: in particular, it includes a basic presentation of 1-cohomogeneous equivariant differential geometry and of the theory of harmonic maps between spheres.
James Eells is Professor of Mathematics at the University of Warwick. Andrea Ratto is Professor Mathematics at the Universite de Bretagne Occidentale in Brest.
IntroductionPt. IBasic Variational and Geometrical PropertiesCh. IHarmonic maps and minimal immersionsBasic properties of harmonic maps13Minimal immersions20Ch. IIImmersions of parallel mean curvatureParallel mean curvature24Alexandrov's theorem29Ch. IIISurfaces of parallel mean curvatureTheorems of Chern and Ruh-Vilms34Theorems of Almgren-Calabi and Hopf37On the Sinh-Gordon equation40Wente's theorem42Ch. IVReduction techniquesRiemannian submersions48Harmonic morphisms and maps into a circle51Isoparametric maps54Reduction techniques58Pt. IIG-Invariant Minimal and Constant Mean Curvature ImmersionsCh. VFirst examples of reductionsG-equivariant harmonic maps64Rotation hypersurfaces in spheres74Constant mean curvature rotation hypersurfaces in R[superscript n]81Ch. VIMinimal embeddings of hyperspheres in S[superscript 4]Derivation of the equation and main theorem92Existence of solutions starting at the boundary95Analysis of the O.D.E. and proof of the main theorem102Ch. VIIConstant mean curvature immersions of hyperspheres into R[superscript n]Statement of the main theorem111Analytical lemmas114Proof of the main theorem120Pt. IIIHarmonic Maps Between SpheresCh. VIIIPolynomial mapsEigenmaps S[superscript m] [actual symbol not reproducible] S[superscript n]129Orthogonal multiplications and related constructions137Polynomial maps between spheres143Ch. IXExistence of harmonic joinsThe reduction equation151Properties of the reduced energy functional J154Analysis of the O.D.E.157The damping conditions161Examples of harmonic maps167Ch. XThe harmonic Hopf constructionThe existence theorem171Examples of harmonic Hopf constructions179[pi][subscript 3](S[superscript 2] and harmonic morphisms182Appendix 1 Second variations188Appendix 2 Riemannian immersions S[superscript m] [actual symbol not reproducible] S[superscript n]200Appendix 3 Minimal graphs and pendent drops204Appendix 4 Further aspects of pendulum type equations208References213Index224
| Erscheint lt. Verlag | 11.4.1993 |
|---|---|
| Reihe/Serie | Annals of Mathematics Studies |
| Verlagsort | New Jersey |
| Sprache | englisch |
| Maße | 152 x 235 mm |
| Gewicht | 340 g |
| Themenwelt | Mathematik / Informatik ► Mathematik ► Analysis |
| Mathematik / Informatik ► Mathematik ► Geometrie / Topologie | |
| ISBN-10 | 0-691-10249-X / 069110249X |
| ISBN-13 | 978-0-691-10249-8 / 9780691102498 |
| Zustand | Neuware |
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