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May 12, 2022

BPS-invariants from non-archimedean integrals

ALGEBRAIC GEOMETRY & NUMBER THEORY SEMINAR

Date: May 12, 2022 | 1:00 pm – 3:00 pm
Speaker: Dimitri Wyss, EPFL, Switzerland
Location: Heinzel Seminar Room (I21.EG.101), Office Building West
Language: English

BPS-invariant appear, when one tries to count sheaves on a Calabi-Yau 3-fold in the presence of strictly semi-stable objects as a sort of reduced theory. In is joint work with Francesca Carocci and Giulio Orecchia we consider the special case when the CY3 fold is a (nice) local curve or surface. We conjecturally give a new definition of (refined) BPS-invariants in this case using non-archimedean integration. To support our conjecture, we prove an invariance property of our integrals, which has recently been established for BPS-invariants by Maulik-Shen.

 

More Information:

Date:
May 12, 2022
1:00 pm – 3:00 pm

Speaker:
Dimitri Wyss, EPFL, Switzerland

Location:
Heinzel Seminar Room (I21.EG.101), Office Building West

Language:
English

Contact:

Birgit Oosthuizen-Noczil

Email:
birgit.oosthuizen-noczil@ist.ac.at

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