On the structure of Somos-4 sequence of rational functions

M. D. Monina

Khabarovsk Division of the Institute for Applied Mathematics, Far Eastern Branch, Russian Academy of Sciences

Abstract: In the paper the result of Zelevinsky and Fomin on the Laurent property of the Somos-4 sequence is specified.

Key words: Somos sequences, elliptic functions, addition theorems.

UDC: 517.52, 512.742.72

MSC: Primary 11B37; Secondary 33E05

Received: 26.09.2018