Prossimi Seminari

22 Settembre 2026

Aula 1

ore 11:30

 Ulrich Krähmer

(TU Dresden)

Hopf Algebroid Structures on

Rings of Differential Operators

Abstract: 

In a joint paper with Myriam Mahaman we have shown that the rings of differential operators on monoidal curves admit a Hopf algebroid structure. In a recent follow-up paper, Myriam has also shown that for nodal curves there is no Hopf algebroid structure on the differential operators. The aim of this talk will be to explain all definitions needed in these statements and some motivation.

Calendario Generale:

In rosso i seminari futuri.

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• 29 Gennaio 2025, D. Spriano (Oxford), No finitely generated group is indigestible for the Loch-Ness monster.

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• 15 Marzo 2024, J. Jenvrin (Grenoble), On the height of some generators of Galois extensions with big Galois groups