Author:
Kim Ki Hang,Roush Fred William
Abstract
In this paper we study some questions proposed by B. Schein [8] regarding the semigroup of binary relationsBxfor a finite setX: what is the ideal structure ofBx, what are the congruences onBx, what are the endomorphisms ofBx? For |X| =nit is convenient to regardBxas the semigroupBnofn×n(0, l)-matrices under Boolean matrix multiplication.
Publisher
Cambridge University Press (CUP)
Reference11 articles.
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2. Combinatorial Mathematics
3. Regular elements in the semigroup of binary relations (Russian);Zaretskii;Uspehi Mat. Nauk.,1962
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3 articles.
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