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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Distortion and moment measure of non-archimedean psh metric

## Distortion and moment measure of non-archimedean psh metricAdd to your list(s) Download to your calendar using vCal - Eiji Inoue (RIKEN)
- Thursday 16 May 2024, 14:00-15:00
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact nobody. EMGW04 - K-stability and moment maps Intersection formula of Donaldson-Futaki invariant is crucial in Boucksom-Jonsson’s non-archimedean approach to K-stability: non-archimedean Monge-Ampere measure and energy pairing can describe intersection appearing in Donaldson-Futaki invariant. In a study of optimal (K-)destabilization, we consider invariants which are expressed by higher equivariant intersection. Higher equivariant intersection of a test configuration \phi cannot be described by energy pairing of \phi. To describe this, I introduced non-archimedean moment measure. It is a measure on the product of Berkovich space and the real line whose marginals are non-archimedean Monge-Ampere measure and Duistermaat-Heckman measure. In this talk, I newly introduce distortion of non-archimedean psh metric. It transforms a non-archimedean psh metric \phi to another non-archimedean psh metric Dist (\phi) by which we can reduce a certain integration with respect to moment measure of \phi to an integration with respect to NA Monge-Ampere measure of Dist (\phi). This enables us to express non-archimedean mu-entropy of \phi by Donaldson-Futaki invariant of Dist (\phi). This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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