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20182026
most citedSign non-reversal property for totally non-negative and totally positive matrices, and testing total positivity of their interval hull

7 citations · 17 across the 21 of their papers we have counts for

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math.FA2018

A note on linear preservers on semipositive and minimal semipositive matrices

Projesh Nath Choudhury, M. Rajesh Kannan, K. C. Sivakumar

Semipositive matrices (matrices that map at least one nonnegative vector to a positive vector) and minimally semipositive matrices (semipositive matrices whose no column-deleted su…