Alexander E. Litvak

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math.PR2026

An upper bound on the smallest singular value of dense random combinatorial matrices

Dongbin Li, Alexander E. Litvak, Tingzhou Yu

Let $M$ be an $n \times n$ random matrix with entries in ${0, 1}$ , where each row is independently and uniformly sampled from the set of all vectors in ${0, 1}^{n}$ containing exa…

math.PR2026

Least singular values of shifted sparse random combinatorial matrices

Dongbin Li, Alexander E. Litvak, Tingzhou Yu

Let $M_{n}$ be an $n \times n$ random matrix with entries in ${0, 1}$ , where each row is independently and uniformly sampled from the set of all vectors in ${0, 1}^{n}$ containing e…