书目名称 | Quasiregular Mappings | 编辑 | Seppo Rickman | 视频video | | 丛书名称 | Ergebnisse der Mathematik und ihrer Grenzgebiete. 3. Folge / A Series of Modern Surveys in Mathemati | 图书封面 |  | 描述 | Quasiregular Mappings extend quasiconformal theory to thenoninjective case.They give a natural and beautifulgeneralization of the geometric aspects ofthe theory ofanalytic functions of one complex variable to Euclideann-space or, more generally, to Riemannian n-manifolds.Thisbook is a self-contained exposition of the subject. Abraodspectrum of results of both analytic and geometric characterarepresented, and the methods vary accordingly. The maintools are the variational integral method and the extremallength method, both of which are thoroughly developed here.Reshetnyak‘s basic theorem on discreteness and openness isused from the beginning, but the proof by means ofvariational integrals is postponed until near the end. Thus,the method of extremal length is being used at an earlystage and leads, amongother things, to geometric proofs ofPicard-type theorems and a defectrelation, which are someof the high points of the present book. | 出版日期 | Book 1993 | 关键词 | Extremal Length; Extremale Länge; Länge; Nichtlineare Potentialtheorie; Nonlinear Potential Theory; Poten | 版次 | 1 | doi | https://doi.org/10.1007/978-3-642-78201-5 | isbn_softcover | 978-3-642-78203-9 | isbn_ebook | 978-3-642-78201-5Series ISSN 0071-1136 Series E-ISSN 2197-5655 | issn_series | 0071-1136 | copyright | Springer-Verlag Berlin Heidelberg 1993 |
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