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Results tagged with co.combinatorics
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user 145559
Enumerative combinatorics, graph theory, order theory, posets, matroids, designs and other discrete structures. It also includes algebraic, analytic and probabilistic combinatorics.
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Lower bound of the probability of singular random matrix over $\{\pm1\}$ in ``Singularity of...
Suppose $M_{n}$ is an $n \times n$ matrix with independent ±1 entries. Recent breakthrough shows that the probability $\mathbb{P}(M_{n} \text{ is singular})$ is
$$(1) \quad\quad\qquad \mathbb{P}(M_{n} …