2 papers
math.NA2026
Submatrices with the best-bounded inverses: the equality criterion for
Yuri Nesterenko
The long-standing hypothesis formulated by Goreinov, Tyrtyshnikov and Zamarashkin \cite{GTZ1997} has recently been solved positively by Sengupta and Pautov \cite{SP2026} in the cas…
math.NA2026
Submatrices with the best-bounded inverses: an asymptotically tight upper bound for
Yuri Nesterenko
The long-standing hypothesis formulated by Goreinov, Tyrtyshnikov and Zamarashkin \cite{GTZ1997} has recently been solved affirmatively in the case of real two-column matrices by S…