Positivity of mixed multiplicities of filtrations
Positivity of mixed multiplicities of filtrations
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混合多重过滤的积极性
DOI:
10.1112/blms.12328
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发表时间:
2020
影响因子:
0.9
通讯作者:
Verma, Jugal
中科院分区:
文献类型:
--
作者:
Cutkosky, Steven Dale;Srinivasan, Hema;Verma, Jugal
The theory of mixed multiplicities of filtrations by‐primary ideals in a ring is introduced in [Cutkosky, P. Sarkar and H. Srinivasan,Trans. Amer. Math. Soc. 372 (2019) 6183–6211]. In this paper, we consider the positivity of mixed multiplicities of filtrations. We show that the mixed multiplicities of filtrations must be nonnegative real numbers and give examples to show that they could be zero or even irrational. Whenis analytically irreducible, andare filtrations ofby‐primary ideals, we show that all of the mixed multiplicitiesare positive if and only if the ordinary multiplicitiesforare positive. We extend this to modules and prove a simple characterization of when the mixed multiplicities are positive or zero on a finitely generated module.
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DOI:
--
发表时间:
1988
期刊:
影响因子:
--
作者:
D. Katz
通讯作者:
D. Katz
DOI:
--
发表时间:
2019
期刊:
Contemporary Mathematics
影响因子:
--
作者:
Kriti Goel;R. Gurjar;J. Verma
通讯作者:
J. Verma
影响因子:
1.3
作者:
S. Cutkosky
通讯作者:
S. Cutkosky
DOI:
--
发表时间:
1993
期刊:
影响因子:
--
作者:
S. Cutkosky;V. Srinivas
通讯作者:
V. Srinivas
DOI:
--
发表时间:
2013
期刊:
影响因子:
--
作者:
S. Cutkosky
通讯作者:
S. Cutkosky