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math.PR2026
Distribution of the cokernels of determinantal row-sparse matrices
Jungin Lee, Myungjun Yu
We study the distribution of the cokernels of random row-sparse integral matrices according to the determinantal measure from a structured matrix with a parameter $k_n…
math.PR2025
Sharp threshold for universality of cokernels of random matrices over finite fields
Jungin Lee
In this paper, we determine the sharp threshold for universality of cokernels of random matrices over finite fields. More precisely, we prove the following: given any constant $c>1…