Example of the matrix of size 6 × 6 with different tropical rank and Kapranov rank

被引:0
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作者
Shitov Y.N. [1 ]
机构
[1] Faculty of Mechanics and Mathematics, Moscow State University, Moscow 119899, Leninskie Gory
关键词
Tropical Variety; Matroid Theory; Unique Permutation; Permanent Attention; Usual Rank;
D O I
10.3103/S0027132211050109
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学科分类号
摘要
We present an example of a 6 × 6 matrix A such that rk t(A) = 4, rk K(A) = 5. This disproves the conjecture formulated by M. Chan, A. Jensen, and E. Rubei. © 2011 Allerton Press, Inc.
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页码:227 / 229
页数:2
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