Uniform random complex top-homology asymptotic conjecture

Let F\mathbb{F} be a field and let Δ\tooltipU(n)\Delta\tooltip\sim \mathcal{U}(n), where nn is even. Here U(n)\mathcal{U}(n) denotes the uniform random simplicial complex on [n][n]. Top-homology asymptotic conjecture. With high probability,

dimHn/21(Δ,F)=(1+o(1))2(n1)/2πn.\dim H_{n/2-1}(\Delta,\mathbb{F})=(1+o(1))\frac{2^{(n-1)/2}}{\sqrt{\pi n}}.

This is presented as an essentially best-possible refinement of the preceding theorem on the top homology of uniform random complexes; its resolution is not given in the source.

Sources & referencesView supporting material

Primary source

Klas Markström and Trevor Pinto, “Random Uniform and Pure Random Simplicial Complexes”, arXiv:2001.01933 (2020).

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