Kahle–Newman Cohen–Lenstra conjecture for random hypertree torsion
Kahle–Newman Cohen–Lenstra conjecture for random hypertree torsion
Let be an odd prime, let be the random hypertree in the paper, and let denote the -torsion subgroup of . For a finite abelian group , write for its automorphism group.
Kahle–Newman conjecture. For every finite abelian -group ,
This is the Cohen–Lenstra limiting distribution. The source says the stronger version is false for , while the odd-prime case remains open; it would imply the stated limiting distribution for the mod- first Betti number.
Sources & referencesView supporting material
Primary source
András Mészáros, “Using dense graph limit theory to count cocycles of random simplicial complexes”, arXiv:2509.06559 (2025).
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