Enhanced Cohen–Lenstra distribution conjecture
Let be a tuple of distinct positive integers, and let be a finite collection of primes not containing . For a geometric family of abelian varieties over , suppose that the Cohen–Lenstra distribution accurately models the distribution of for randomly sampled as grows.
Enhanced Cohen–Lenstra conjecture. The -Cohen–Lenstra distribution accurately models the joint distribution of
for randomly sampled as grows.
This conjecture extends the Cohen–Lenstra heuristic from the group of rational points over to joint distributions over several finite extensions. The source gives no evidence of a resolution.
References
Primary source
Michael Lipnowski and Jacob Tsimerman, “How Large is A_g(F_q)?”, arXiv:1511.02212 (2015).
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