Periods of elliptic surfaces
Nicholas Shepherd-Barron (King’s College London)
Abstract: The derivative of the period map for elliptic surfaces has a description in terms of where the j-invariant ramifies. This leads to a natural orthonormal basis of the (1,1) part of the primitive cohomology, expressed in terms of meromorphic 2-forms of the 2nd kind, and to a generic Torelli theorem. This extends to certain other families of varieties fibred in Calabi-Yau varieties.
algebraic geometry
Audience: researchers in the topic
ZAG (Zoom Algebraic Geometry) seminar
Series comments: Description: ZAG seminar
The seminar takes place on Tuesdays and Thursdays via Zoom. Zoom passwords are given via mailing list on Fridays. To join the mailing list go to the website.
If you use a calendar system, you can see the individual seminars at bit.ly/zag-seminar-calendar
Times vary to accommodate speakers time zones but times will be announced in GMT time.
| Organizers: | Jesus Martinez Garcia*, Ivan Cheltsov*, Jungkai Chen, Jérémy Blanc, Ernesto Lupercio, Yuji Odaka, Zsolt Patakfalvi, Julius Ross, Cristiano Spotti, Chenyang Xu |
| *contact for this listing |