Versions of Koebe 1/4 Theorem for Analytic and Quasiregular Harmonic Functions and Applications
Miodrag Mateljević (2008)
Publications de l'Institut Mathématique
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Miodrag Mateljević (2008)
Publications de l'Institut Mathématique
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Giovanni Alessandrini, Vincenzo Nesi (2002)
ESAIM: Control, Optimisation and Calculus of Variations
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This paper is part of a larger project initiated with [2]. The final aim of the present paper is to give bounds for the homogenized (or effective) conductivity in two dimensional linear conductivity. The main focus is therefore the periodic setting. We prove new variational principles that are shown to be of interest in finding bounds on the homogenized conductivity. Our results unify previous approaches by the second author and make transparent the central role of quasiconformal mappings...
Miodrag Mateljević, V. Marković (1996)
Matematički Vesnik
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John H. Hubbard, Ralph W. Oberste-Vorth (1994)
Publications Mathématiques de l'IHÉS
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Michael Dorff, Maria Nowak, Magdalena Wołoszkiewicz (2011)
Annales Polonici Mathematici
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We consider typically real harmonic univalent functions in the unit disk 𝔻 whose range is the complex plane slit along infinite intervals on each of the lines x ± ib, b > 0. They are obtained via the shear construction of conformal mappings of 𝔻 onto the plane without two or four half-lines symmetric with respect to the real axis.
Mateljević, M., Vuorinen, M. (2010)
Journal of Inequalities and Applications [electronic only]
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Mateljević, Miodrag (2004)
Publications de l'Institut Mathématique. Nouvelle Série
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Kaljaj, David (2001)
Publications de l'Institut Mathématique. Nouvelle Série
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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.
Earle, Clifford J., Lakic, Nikola (2002)
Annales Academiae Scientiarum Fennicae. Mathematica
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I. Anić, M. Mateljević, Dragomir Šarić (2002)
Czechoslovak Mathematical Journal
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We give a new proof of Beurling’s result related to the equality of the extremal length and the Dirichlet integral of solution of a mixed Dirichlet-Neuman problem. Our approach is influenced by Gehring’s work in space. Also, some generalizations of Gehring’s result are presented.