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Column ranks and their preservers over nonnegative real matrices

โœ Scribed by LeRoy B. Beasley; Seok-Zun Song; Kyung-Tae Kang; B.K. Sarma

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
228 KB
Volume
399
Category
Article
ISSN
0024-3795

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๐Ÿ“œ SIMILAR VOLUMES

Regular matrices and their strong preser
Regular matrices and their strong preservers over semirings
โœ Seok-Zun Song; Kyung-Tae Kang; LeRoy B. Beasley; Nung-Sing Sze ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 181 KB

An m ร— n matrix A over a semiring S is called regular if there is an n ร— m matrix G over S such that AGA = A. We study the problem of characterizing those linear operators T on the matrices over a semiring such that T (X) is regular if and only if X is. Complete characterizations are obtained for ma