Browsing by Funder "Forrest and Grinsell Foundation"
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(University of St Andrews, 1980) - ThesisIn 1967, J. A. Erdős showed, using a matrix theory approach that the semigroup Sing[sub]n of singular endomorphisms of an n-dimensional vector space is generated by the set E of idempotent endomorphisms of rank n - 1. This ...