1971
DOI: 10.1002/mana.19710480107
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Verzerrungssätze und Koeffizientenbedingungen von GRUNSKYschen Typ für quasikonforme Abbildungen

Abstract: I.Von fundamentaler Bedeutung fur die Theorie der schlichten konformen Abbildungen sind die bekannten, 1939 von H. GRUNSKY [lo] angegebenen notwendigen und hinreichenden Koeffizientenbedingungen. Diese sind inzwischen in mannigfacher Weise neu hergeleitet , modifiziert und verallgemeinert worden. Sie hlingen eng mit einer Satzgruppe zusammen, die zuerst von G. M. GOLUSIN [7] betrachtet wurde. In vorliegender Mitteilung sollen diese Koeffizientenbedingungen und GoLusINschen Verzerrungsslitze auf quasikonforme A… Show more

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Cited by 133 publications
(50 citation statements)
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“…If in Corollaries 1 and 2 we let K(p) = K and let r -» 0 then by Remark 2 we have agreement with Kühnau's results [5]. Also, if we let k-* 1, they yield the classical results of C. Loewner [7].…”
Section: Functions With Quasiconformal Extensions 339supporting
confidence: 69%
See 1 more Smart Citation
“…If in Corollaries 1 and 2 we let K(p) = K and let r -» 0 then by Remark 2 we have agreement with Kühnau's results [5]. Also, if we let k-* 1, they yield the classical results of C. Loewner [7].…”
Section: Functions With Quasiconformal Extensions 339supporting
confidence: 69%
“…Golusin distortion functional defined on 2^ and 2^ [5], respectively, by replacing 9, in (55) by the corresponding value (54).…”
Section: Remark 3 (I) By Remark 2 (I) and (Ii) We Can Derive The Bmentioning
confidence: 99%
“…This result follows in a standard way from Theorem 2 (see [l] or [5]) or directly through an application of the variational method [8].…”
Section: Functions With Quasiconformal Extensions 339mentioning
confidence: 66%
“…For g £ 2K , by Remark l(ii), one substitutes $2m = -r2m in (66) to obtain bounds and in (67) to obtain extremal functions. In particular, to obtain Kühnau's result [5] for 2K> let r= 0. Finally to obtain the classical result [4],.…”
Section: Functions With Quasiconformal Extensions 339mentioning
confidence: 99%
“…Similar functions have been studied by many authors, for example, Kfihnau [4], Schober [7], and McLeavey [61. GrStzsch [1 studied diameter problems for normalized quasiconformal functions of subdomains of the unit disc by an unrefined version of extremal length (for easy reference, see Kfinzi [51).…”
Section: Introductionmentioning
confidence: 95%