On homotopically regular mappings of manifolds
E. V. Shchepin (1986)
Banach Center Publications
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E. V. Shchepin (1986)
Banach Center Publications
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Andreas Gastel (1992)
Manuscripta mathematica
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Ilkka Holopainen, Seppo Rickman (1992)
Revista Matemática Iberoamericana
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Królikowski Wiesław
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CONTENTSIntroduction........................................................................................................6I. Quaternionic regular and biregular functions in the sense of Fueter..............9 1. Introduction................................................................................................9 2. Fueter derivative and regular functions.....................................................10 3. Quaternionic partial derivatives.................................................................12 4....
Alois Švec (1976)
Časopis pro pěstování matematiky
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Bent Fuglede (1978)
Annales de l'institut Fourier
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A harmonic morphism between Riemannian manifolds and is by definition a continuous mappings which pulls back harmonic functions. It is assumed that dim dim, since otherwise every harmonic morphism is constant. It is shown that a harmonic morphism is the same as a harmonic mapping in the sense of Eells and Sampson with the further property of being semiconformal, that is, a conformal submersion of the points where vanishes. Every non-constant harmonic morphism is shown to be...
George Paulik (1988)
Manuscripta mathematica
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Wie-Yue Ding (1994)
Manuscripta mathematica
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Miloš Arsenović, Miroslav Pavlović (2017)
Czechoslovak Mathematical Journal
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We prove two Dyakonov type theorems which relate the modulus of continuity of a function on the unit disc with the modulus of continuity of its absolute value. The methods we use are quite elementary, they cover the case of functions which are quasiregular and harmonic, briefly hqr, in the unit disc.