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1 paper

math.CO2010★ 5 cited

Example of a 6-by-6 Matrix with Different Tropical and Kapranov Ranks

Yaroslav Shitov

We provide an example of a 6-by-6 matrix with tropical rank equal to 4 and Kapranov rank equal to 5. This answers a question asked by M. Chan, A. Jensen, and E. Rubei.