J. Korean Math. Soc. 2003; 40(6): 943-950
Printed November 1, 2003
Copyright © The Korean Mathematical Society.
Seok-Zun Song and Kyung-Tae Kang
Cheju National University, Cheju National University
The maximal column rank of an $m$ by $n$ matrix $A$ over max algebra is the maximal number of the columns of $A$ which are linearly independent. We compare the maximal column rank with rank of matrices over max algebra. We also characterize the linear operators which preserve the maximal column rank of matrices over max algebra.
Keywords: max algebra, rank, maximal column rank, monomial, linear operator
MSC numbers: Primary 15A03, 15A04
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