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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Variations of K-moduli for del Pezzo surfaces

## Variations of K-moduli for del Pezzo surfacesAdd to your list(s) Download to your calendar using vCal - Jesus Martinez Garcia (University of Essex)
- Monday 13 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 Ascher, DeVleming and Liu constructed a theory of variations of K-moduli of log Fano pairs, in which the coefficients of the divisors are allowed to change, introducing birational transformations on the K-moduli. The most natural example is K-moduli of smoothable log del Pezzo pairs formed by a del Pezzo surface and an anti-canonical divisor, a natural generalisation of the first description of K-moduli for del Pezzo surfaces given by Odaka-Spotti-Sun. Our case also implies analytic questions previously considered by Szekelyhidi on the existence of Kahler-Einstein metrics with conical singularities along a divisor on del Pezzo surfaces. For degrees 2, 3 and 4 we establish an isomorphism between the K-moduli spaces and variation of Geometric Invariant Theory compactifications. For degrees 2-9, we describe the wall-chamber structure of the K-moduli of these problems, including all K-polystable replacements. This is joint work with Theodoros Papazachariou and Junyan Zhao. 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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