Modulus of continuity for quasiregular mappings with finite distortion extension.
Zapadinskaya, Aleksandra (2008)
Annales Academiae Scientiarum Fennicae. Mathematica
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Zapadinskaya, Aleksandra (2008)
Annales Academiae Scientiarum Fennicae. Mathematica
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Maly, J., Ponomarev, S.P. (2000)
Siberian Mathematical Journal
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Krushkal, Samuel L. (2001)
Georgian Mathematical Journal
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Piotr Hajłasz (1993)
Colloquium Mathematicae
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In the previous papers concerning the change of variables formula (in the form involving the Banach indicatrix) various assumptions were made about the corresponding transformation (see e.g. [BI], [GR], [F], [RR]). The full treatment of the case of continuous transformation is given in [RR]. In [BI] the transformation was assumed to be continuous, a.e. differentiable and with locally integrable Jacobian. In this paper we show that none of these assumptions is necessary (Theorem 2). We...
Dariusz Partyka, Ken-ichi Sakan (2012)
Annales UMCS, Mathematica
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In 1984 J. Clunie and T. Sheil-Small proved ([2, Corollary 5.8]) that for any complex-valued and sense-preserving injective harmonic mapping F in the unit disk D, if F(D) is a convex domain, then the inequality |G(z2)− G(z1)| < |H(z2) − H(z1)| holds for all distinct points z1, z2∈ D. Here H and G are holomorphic mappings in D determined by F = H + Ḡ, up to a constant function. We extend this inequality by replacing the unit disk by an arbitrary nonempty domain Ω in ℂ and improve it...
O. Martio (1995)
Banach Center Publications
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We present a survey of the Lusin condition (N) for -Sobolev mappings defined in a domain G of . Applications to the boundary behavior of conformal mappings are discussed.
Semenov, V. I. (2001)
Sibirskij Matematicheskij Zhurnal
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Salimov, Ruslan (2008)
Annales Academiae Scientiarum Fennicae. Mathematica
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Zakeri, Saeed (2008)
Annales Academiae Scientiarum Fennicae. Mathematica
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Dariusz Partyka (1995)
Banach Center Publications
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This paper provides sufficient conditions on a quasisymmetric automorphism γ of the unit circle which guarantee the existence of the smallest positive eigenvalue of γ. They are expressed by means of a regular quasiconformal Teichmüller self-mapping φ of the unit disc Δ. In particular, the norm of the generalized harmonic conjugation operator is determined by the maximal dilatation of φ. A characterization of all eigenvalues of a quasisymmetric automorphism γ in terms of the smallest...
Turkoglu, Duran, Altun, Ishak, Fisher, Brian (2006)
Novi Sad Journal of Mathematics
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Samsonia, Z., Zivzivadze, L. (2002)
Georgian Mathematical Journal
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Rafiq, Arif, Acu, Ana Maria (2008)
Acta Universitatis Apulensis. Mathematics - Informatics
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