Short communications

Conjugation in the incidence algebras

V. E. Marenich

M. V. Lomonosov Moscow State University

Abstract: We introduce the notion of the canonical form of an incidence function that generalizes the Jordan cell, and we find the canonical forms for some functions. In particular, the canonical form of the zeta-function in some incidence algebras is found.

UDC: 519.1

Received: 01.06.1998

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