Journal of the
Korean Mathematical Society
JKMS

ISSN(Print) 0304-9914 ISSN(Online) 2234-3008

Article

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J. Korean Math. Soc. 1994; 31(4): 645-657

Printed December 1, 1994

Copyright © The Korean Mathematical Society.

Linear operators that preserve spanning column ranks of nonnegative matrices

Suk-Geun Hwang, Si-Ju Kim, and Seok-Zun Song

Kyungpook University, Andong University, and Cheju National University