FUNDAMENTALNAYA I PRIKLADNAYA MATEMATIKA

(FUNDAMENTAL AND APPLIED MATHEMATICS)

1999, VOLUME 5, NUMBER 4, PAGES 1245-1250

Multiplicative isomorphisms of incidence semialgebras

I. I. Artamonova

Abstract

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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.

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Location: http://mech.math.msu.su/~fpm/eng/99/994/99418h.htm
Last modified: December 9, 1999