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Fano Varieties in Stavanger

2–4 Apr 2025
University of Stavanger, Norway
Europe/Oslo timezone

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Some log singular surfaces with unobstructed deformations

4 Apr 2025, 08:30
1h
02.04. Kjølv Egelands hus KE E-264; 03.04. Kjell Arholms hus KA U-136; 04.04. Kjølv Egelands hus KE A-202 (University of Stavanger, Norway)

02.04. Kjølv Egelands hus KE E-264; 03.04. Kjell Arholms hus KA U-136; 04.04. Kjølv Egelands hus KE A-202

University of Stavanger, Norway

Both buildings you find on Ullandhaug Campus: Kjølv Egelands hus: Kristine Bonnevies vei 22 Mazemap link to KE E-264: https://link.mazemap.com/StCpOfWl Kjell Arholms hus: Telegrafdirektør Heftyes vei 73 Mazemap link to KA U-134: https://link.mazemap.com/fkyDnR8T Mazemap link to KE A-202: https://link.mazemap.com/WQ2WNkz4 Lunch will be served at our new SIS building, next to Kjølv Egelands hus. Link below is for the room on the first day:

Speaker

Dr Simon Felten

Description

The logarithmic Bogomolov-Tian-Todorov theorem guarantees that infinitesimal deformations of a proper log Calabi--Yau space over a log point are unobstructed once certain cohomological conditions are met. We know that these conditions are satisfied for log smooth and more generally log toroidal spaces. In this talk, I report ongoing joint work with Matthias Zach where we check the cohomological conditions for some families with more general log singularities by means of explicit computation.

Author

Dr Simon Felten

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