Example of a 6-by-6 Matrix with Different Tropical and Kapranov Ranks
Yaroslav Shitov
所有作者
Yaroslav Shitov
文献摘要
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.