Y. Nesterenko

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math.NA2026

Submatrices with the best-bounded inverses: the equality criterion for $R^{n \times 2}$

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 $C^{n \times 2}$

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…

Submatrices with the best-bounded inverses: the equality criterion for Rn×2

Submatrices with the best-bounded inverses: an asymptotically tight upper bound for Cn×2

Submatrices with the best-bounded inverses: the equality criterion for $R^{n \times 2}$

Submatrices with the best-bounded inverses: an asymptotically tight upper bound for $C^{n \times 2}$