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In basic ring theory, any ring R1 may be embedded in its own ________(a) semilattice(b) endomorphism ring(c) homomorphic ring(d) subgroupI had been asked this question in class test.My query is from Graph’s Matrices topic in division Graphs of Discrete Mathematics

Answer»

Right ANSWER is (b) endomorphism ring

To elaborate: We know that in basic ring theory, any ring R with its IDENTITY can be embedded in its own endomorphism ring and this is ONE of the most important characterization of rings. The endomorphism ring can contain a copy of its ring.



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