非同义类的上同调场论

IF 0.8 4区数学 Q2 MATHEMATICS

Arkiv for Matematik Pub Date : 2018-02-25 DOI:10.4310/ARKIV.2019.V57.N1.A10

R. Pandharipande, D. Zvonkine

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引用次数: 4

摘要

提出了一种在曲线模空间上利用极小类构造单位上同调场论的方法。作为一个简单的结果，我们找到了带单位的cohft，它取曲线模空间的同义上同调之外的值。D. Petersen在附录中介绍了低属中最小纲的研究。

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Cohomological field theories with non-tautological classes

A method of constructing Cohomological Field Theories (CohFTs) with unit using minimal classes on the moduli spaces of curves is developed. As a simple consequence, CohFTs with unit are found which take values outside of the tautological cohomology of the moduli spaces of curves. A study of minimal classes in low genus is presented in the Appendix by D. Petersen.

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来源期刊

Arkiv for Matematik 数学-数学

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Publishing research papers, of short to moderate length, in all fields of mathematics.