English

Cohen Lenstra Partitions and Mutually Annihilating Matrices over a Finite Field

Combinatorics 2021-11-19 v1 Algebraic Geometry Number Theory

Abstract

Motivated by questions in algebraic geometry, Yifeng Huang recently derived generating functions for counting mutually annihilating matrices and mutually annihilating nilpotent matrices over a finite field. We give a different derivation of his results using statistical properties of random partitions chosen from the Cohen-Lenstra measure.

Cite

@article{arxiv.2111.09433,
  title  = {Cohen Lenstra Partitions and Mutually Annihilating Matrices over a Finite Field},
  author = {Jason Fulman and Robert Guralnick},
  journal= {arXiv preprint arXiv:2111.09433},
  year   = {2021}
}

Comments

6 pages

R2 v1 2026-06-24T07:42:51.674Z