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In the literature, there are several results on cones generated by (effective, ample, nef...) divisors on (quasi-)projective varieties. However, a little is known on cones generated by cycles of codimension greater than one. Let X be an orthogonal Shimura variety. In this talk, we consider the cone CX generated by rational classes of codimension two special cycles of X. We illustrate how to prove properties of CX by means of Fourier coefficients of Siegel modular forms.

Wann?

30. November 2021, 15:00-16:00

Wo?

Zoom, please contact for details.

Veranstalter

Yingkun Li (TU Darmstadt) Markus Schwagenscheidt (ETH Zürich)

Kontakt

 

30
November
2021
15:00-16:00

Tags

Algebra