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JOURNALS // Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika // Archive
Izv. Vyssh. Uchebn. Zaved. Mat., 2017 Number 3, Pages 84–88 (Mi ivm9220)
This article is cited in 3 papers

Brief communications

Avkhadiev–Becker type multivalence conditions for harmonic mappings of a disc

R. G. Nasibullin, I. K. Shafigullin

Kazan (Volga Region) Federal University, 18 Kremlyovskaya str., Kazan, 420008 Russia

Abstract: We obtain Avkhadiev–Becker type multivalence conditions for locally univalent harmonic mappings defined in the unit disc.

Keywords: harmonic mapping, Becker univalence condition, multivalence conditions.

UDC: 517.54

Received: 22.09.2016


 English version: Russian Mathematics (Izvestiya VUZ. Matematika), 2017, 61:3, 72–76

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© Steklov Math. Inst. of RAS, 2025