Strong shift equivalence of 2 by 2 non-negative integral matrices

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It is known that if A and B are nontriangular 2 x 2 non-negative integral matrices similar over the integers and -tr A less than or equal to det A, then A and B are strongly shift equivalent. Suppose that A and B are 2 x 2 non-negative integral matrices similar over the integers. In this article it is shown that if -2 tr A less than or equal to det A < -tr A and if \ det A\ is not a prime, then A and B are strongly shift equivalent.
Publisher
LONDON MATH SOC
Issue Date
1997-12
Language
English
Article Type
Article
Citation

MATHEMATIKA, v.44, no.88, pp.312 - 2

ISSN
0025-5793
URI
http://hdl.handle.net/10203/72105
Appears in Collection
MA-Journal Papers(저널논문)
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