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The limiting spectral law for sparse iid matrices

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arxiv 2310.17635 v2 pith:LYO2BZJI submitted 2023-10-26 math.PR math.CO

The limiting spectral law for sparse iid matrices

classification math.PR math.CO
keywords matricesrandomspectralbernoulliconvergesdeterminedeterministicdistribution
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abstract

Let $A$ be an $n\times n$ matrix with iid entries where $A_{ij} \sim \mathrm{Ber}(p)$ is a Bernoulli random variable with parameter $p = d/n$. We show that the empirical measure of the eigenvalues converges, in probability, to a deterministic distribution as $n \rightarrow \infty$. This essentially resolves a long line of work to determine the spectral laws of iid matrices and is the first known example for non-Hermitian random matrices at this level of sparsity.

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