The authors' uniform moving-Seshadri-constant conjecture

Let XX be a smooth projective variety of dimension nn over an algebraically closed field kk, and let LL be an ample divisor on XX. For a divisor DD, write ε(D;x)\varepsilon(\lVert D\rVert;x) for its moving Seshadri constant at a closed point xx.

Uniform moving-Seshadri-constant conjecture. There exist integer-valued functions c(n)c(n) and d(n)d(n) and a real-valued function e(n)e(n), all depending only on nn, such that

ε(KX+c(n)KX+d(n)L;x)1e(n)\varepsilon\bigl(\bigl\lVert K_X+c(n)K_X+d(n)L \bigr\rVert;x\bigr)\geq\frac{1}{e(n)}

for every closed point xXx\in X.

The paper identifies this statement as sufficient for its Fujita-type jet-ampleness conjecture. It is presented as an ingredient of the authors' approach rather than as an established theorem.

Sources & referencesView supporting material

Primary source

Takumi Murayama, “Moving Seshadri constants and effective Fujita-type conjectures”, arXiv:2408.06530 (2026).

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