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JOURNALS // Itogi Nauki i Tekhniki. Sovremennaya Matematika i ee Prilozheniya. Tematicheskie Obzory // Archive

Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 2017 Volume 142, Pages 88–101 (Mi into256)

Sketch of the theory of growth of functions holomorphic in a multidimensional torus

M. N. Zav'yalov, L.S. Maergoiz

Siberian Federal University, Krasnoyarsk

Abstract: We develop an approach to the theory of growth of class-$H(\mathbb{T}^n)$ functions holomorphic in a multidimensional torus $\mathbb{T}^n$ based on the structure of elements of this class and well-known results of the theory of growth of entire functions of several complex variables. This approach is illustrated in the case where the growth of the function $g\in H(\mathbb{T}^n)$ is compared with the growth of its maximum modulus on the skeleton of polydisk. Properties of the corresponding characteristics of growth of class-$H(\mathbb {T}^n)$ functions are examined and their relation to coefficients of their Laurent series are studied. A comparative analysis of these results and similar assertions of the theory of growth of entire functions of several variables is given.

Keywords: entire function of several variables, holomorphic function in multidimensional torus, convex function, characteristics of growth, multiple Laurent series, carrier, strictly convex cone.

UDC: 517.55, 517.51

MSC: 32A15, 30C45


 English version:
Journal of Mathematical Sciences (New York), 2019, 241:6, 735–749

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© Steklov Math. Inst. of RAS, 2025