Asymptotic-limit conjecture for expected Betti numbers of preferential attachment clique complexes

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For q≥2q\geq 2 and m≥2qm\geq 2q, let X(T,δ,m)X(T,\delta,m) denote the affine preferential attachment clique complex and let βq(X(T,δ,m))\beta_q(X(T,\delta,m)) be its qq-th Betti number. If 1−2qχ(δ,m)>01-2q\chi(\delta,m)>0, the asymptotic-limit conjecture. The limit

lim⁡T→∞E[βq(X(T,δ,m))]T1−2qχ(δ,m)\lim_{T\to\infty}\frac{E[\beta_q(X(T,\delta,m))]}{T^{1-2q\chi(\delta,m)}}

exists. The conjecture seeks a sharper asymptotic description than the estimates established in the paper; the supplied text gives no resolution.

References

Primary source

Chunyin Siu, Gennady Samorodnitsky, Christina Lee Yu and Rongyi He, “The Asymptotics of the Expected Betti Numbers of Preferential Attachment Clique Complexes”, arXiv:2305.11259 (2024).

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