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真人百家le威尼斯人:BV pushforward and applications

来源: 03-26

时间:Tues.14:00-15:00, Mar.26, 2024

地点:B627, Shuangqing Complex Building A 美金换人民币双清综合楼A座 B627

主讲人:Alberto Cattaneo (University of Zurich)

Abstract:

In the BV formalism the spaces of fields are presented as complexes whose cohomology returns the physical content. Different but equivalent complexes may be used, which turns out to be important conceptually and in practice. One useful operation is that of a partial integration (BV pushforward), which produces a chain map that, under some assumptions, is a quasiisomorphism. This has several applications: construction of observables (often as L_\infty representations), renormalization à la Wilson, highly nontrivial equivalences of theories. I will discuss some examples.

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