Asymptotic equality of the v-function for maximal associated primes

Let S=K[x1,,xn]S=K[x_1,\dots,x_n] be a standard graded polynomial ring over an infinite field KK, let ISI\subset S be a homogeneous ideal, and let Max(I)\operatorname{Max}^\infty(I) denote the set of primes in the stable maximal-associated-prime set of the powers of II. For a prime p\mathfrak{p}, let \v_{\mathfrak{p}}(I^k) be the corresponding local v-function, let α(I)\alpha(I) be the initial degree of II, and let (ˇIk)\v(I^k) be the global v-function.

Asymptotic maximal-prime conjecture. For all pMax(I)\mathfrak{p}\in\operatorname{Max}^\infty(I), one has

\lim_{k\rightarrow\infty}\frac{\v_{\mathfrak{p}}(I^k)}{k}=\alpha(I).

The paper motivates this claim using the eventual linearity of the global and local v-functions and the known equality limk(ˇIk)/k=α(I)\lim_{k\rightarrow\infty}\v(I^k)/k=\alpha(I). It is presented as an expectation supported by experimental evidence; its resolution is not given in the supplied text.

Sources & referencesView supporting material

Primary source

Antonino Ficarra and Emanuele Sgroi, “Asymptotic behaviour of integer programming and the v-function of a graded filtration”, arXiv:2403.08435 (2025).

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