Convex bodies and asymptotic invariants for powers of monomial ideals
Convex bodies and asymptotic invariants for powers of monomial ideals
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单项式理想幂的凸体和渐近不变量
DOI:
10.1016/j.jpaa.2022.107089
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发表时间:
2022
影响因子:
0.8
通讯作者:
Yang, Sewon
中科院分区:
文献类型:
--
作者:
Camarneiro, João;Drabkin, Ben;Fragoso, Duarte;Frendreiss, William;Hoffman, Daniel;Seceleanu, Alexandra;Tang, Tingting;Yang, Sewon
Continuing a well established tradition of associating convex bodies to monomial ideals, we initiate a program to construct asymptotic Newton polyhedra from decompositions of monomial ideals. This is achieved by forming a graded family of ideals based on a given decomposition. We term these graded families powers since they generalize the notions of ordinary and symbolic powers. Asymptotic invariants for these graded families are expressed as solutions to linear optimization problems on the respective convex bodies. This allows to establish a lower bound on the Waldschmidt constant of a monomial ideal by means of a more easily computable invariant, which we introduce under the name of naive Waldschmidt constant.
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DOI:
--
发表时间:
2017
期刊:
影响因子:
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