Short communications

Multiplicative isomorphisms of incidence semialgebras

I. I. Artamonova

M. V. Lomonosov Moscow State University

Abstract: The paper suggests a proof of the fact that every semiring with orthogonal family of idempotents is a UA-semiring. The problem of uniqueness of addition in the class of incidence semialgebras is solved.

UDC: 512.558

Received: 01.11.1998

Bibliographic databases:

• 
•