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Found 136 Documents (Results 1–100)

Rank functions. (English) Zbl 1456.15001

Chung, Fan (ed.) et al., 50 years of combinatorics, graph theory, and computing. Research surveys of the Southeastern international conference, SEICCGTC. Boca Raton, FL: CRC Press. Discrete Math. Appl. (Boca Raton), 263-275 (2020).
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Operators preserving primitivity for matrix pairs. (English) Zbl 1215.15030

Olshevsky, Vadim (ed.) et al., Matrix methods. Theory, algorithms and applications. Dedicated to the memory of Gene Golub. Based on the 2nd international conference on matrix methods and operator equations, Moscow, Russia, July 23–27, 2007. Hackensack, NJ: World Scientific (ISBN 978-981-283-601-4/hbk). 2-19 (2010).
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Linear preservers of extremes of rank inequalities over semirings: the factor rank. (English. Russian original) Zbl 1127.15001

J. Math. Sci., New York 131, No. 5, 5919-5938 (2005); translation from Sovrem. Mat. Prilozh. 13, 53-70 (2004).
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Linear preservers of extremes of rank inequalities over semirings. (Russian, English) Zbl 1075.15005

Fundam. Prikl. Mat. 10, No. 2, 3-21 (2004); translation in J. Math. Sci., New York 137, No. 6, 5179-5191 (2006).
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Zero-term rank preservers over fields and rings. (English) Zbl 1042.15002

Mastorakis, Nikos E. (ed.), Recent advances in applied and theoretical mathematics. Athens: World Scientific Engineering Society Press (ISBN 960-8052-21-1/hbk). Mathematics and Computers in Science and Engineering. A Series of Reference Books and Textbooks, 9-12 (2000).
MSC:  15A03 15B33
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Linear operators strongly preserving multivariate majorization. (English) Zbl 0964.15005

Proceedings of the Prague mathematical conference 1996, PMC ’96, Prague, Czech Republic, July 8-12, 1996. In honor of the 70th birthdays of Ivo Babuška, Miroslav Fiedler, Jaroslav Kurzweil, and Vlastimil Pták. Prague: Icaris Ltd. 19-22 (1996).
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Combinatorial orthogonality. (English) Zbl 0789.15027

Brualdi, Richard A. (ed.) et al., Combinatorial and graph-theoretical problems in linear algebra. Proceedings of a workshop that was an integral part of the 1991-92 IMA program on “Applied Linear Algebra” held at the University of Minnesota, USA, November 11-15, 1991. New York: Springer-Verlag. IMA Vol. Math. Appl. 50, 207-218 (1993).
MSC:  15B57 15B48
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Linear operators that strongly preserve upper ideals of matrices. (English) Zbl 0835.15008

Hoffman, Frederick (ed.) et al., Proceedings of the twenty-third Southeastern international conference on combinatorics, graph theory, and computing, held at Florida Atlantic University, Boca Raton, FL, USA, February 3-7, 1992. Winnipeg: Utilitas Mathematica Publishing Inc. Congr. Numerantium. 88, 229-243 (1992).
MSC:  15B33 05B20
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