Chiral rings, Futaki invariants, plethystics, and Gröbner bases

Chiral rings, Futaki invariants, plethystics, and Gröbner bases
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手性环、Futaki 不变量、体积学和 Gröbner 碱基

DOI:
10.1007/jhep01(2021)203
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发表时间:
2021
影响因子:
5.4
通讯作者:
Bao J
Bao J
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Bao J

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We study chiral rings of 4d= 1 supersymmetric gauge theories via the notion of K-stability. We show that when using Hilbert series to perform the computations of Futaki invariants, it is not enough to only include the test symmetry information in the former’s denominator. We discuss a way to modify the numerator so that K-stability can be correctly determined, and a rescaling method is also applied to simplify the calculations involving test configurations. All of these are illustrated with a host of examples, by considering vacuum moduli spaces of various theories. Using Gröbner basis and plethystic techniques, many non-complete intersections can also be addressed, thus expanding the list of known theories in the literature.
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