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The bordered triangular matrix and minimum essential sets of a digraph

โœ Scribed by Lap-Kit Cheung; Kuh, E.


Book ID
117913547
Publisher
IEEE
Year
1974
Weight
798 KB
Volume
21
Category
Article
ISSN
0098-4094

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Let R be a complete blocked triangular matrix algebra over an infinite field F. Assume that R is not an upper triangular matrix algebra or a full matrix algebra. ลฝ . We prove that the minimum number s R such that R can be generated as an F-algebra by idempotents, is given by where m is the number