Minimum-volume asymptotics for Boltzmann random triangulations of the d-sphere

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Let Sn(d)\mathcal{S}^{(d)}_n be the collection of triangulations of the dd-sphere, and let μn,β(d)\mu^{(d)}_{n,\beta} denote the median of the minimum volume of the Boltzmann random sphere Rβ,n(d)R^{(d)}_{\beta,n} at inverse temperature β∈[0,∞)\beta\in[0,\infty). Boltzmann minimum-volume asymptotic conjecture. For every d≥2d\geq 2 and β∈[0,∞)\beta\in[0,\infty), there are constants e(d)(β),cd,β>0e^{(d)}(\beta),c_{d,\beta}>0 such that

μn,β(d)=cd,βne(d)(β)+o(ne(d)(β)).\mu^{(d)}_{n,\beta}=c_{d,\beta}n^{e^{(d)}(\beta)}+o\bigl(n^{e^{(d)}(\beta)}\bigr).

This extends the conjectured sharp upper-bound exponent for uniformly random triangulations to the more general Boltzmann model. The corresponding statement is presented as an adaptation of the uniform-model conjecture; the supplied context does not state which cases are known or whether this formulation has been resolved.

References

Primary source

Agelos Georgakopoulos, John Haslegrave and Joel Larsson Danielsson, “Random triangulations of the d-sphere with minimum volume”, arXiv:2409.00235 (2024).

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