{"id":429,"date":"2025-11-03T14:32:32","date_gmt":"2025-11-03T12:32:32","guid":{"rendered":"https:\/\/kmpb.physik.hu-berlin.de\/?post_type=tribe_events&p=429"},"modified":"2025-11-03T14:32:32","modified_gmt":"2025-11-03T12:32:32","slug":"math-phys-seminar-on-the-dr-dz-equivalence-and-beyond","status":"publish","type":"tribe_events","link":"https:\/\/kmpb.physik.hu-berlin.de\/index.php\/event\/math-phys-seminar-on-the-dr-dz-equivalence-and-beyond\/","title":{"rendered":"[Math-Phys Seminar] On the DR-DZ equivalence, and beyond"},"content":{"rendered":"
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Mathematical physics seminar<\/h2>\n<\/header>\n
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Date: Tuesdays 11:15-12:45 Uhr<\/p>\n

Venue: 1.023 (BMS Room, Haus 1, ground floor), Rudower Chaussee 25, Adlershof, 12489 Berlin<\/span><\/p>\n

Organiser: Ga\u00ebtan Borot<\/p>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n

4. November 2025
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Xavier Blot<\/a> (Unversiteit van Amsterdam)<\/p>\n

On the DR-DZ equivalence, and beyond<\/em><\/p>\n

Witten\u2019s conjecture, proved by Kontsevich, predicted that the Gromov\u2013Witten invariants of a point are governed by the KdV hierarchy. In this talk, I will explain how the DR\u2013DZ equivalence extends this result by constructing the Dubrovin\u2013Zhang (DZ) hierarchy, which governs the Gromov\u2013Witten invariants of any smooth projective variety (and more generally, any cohomological field theory). I will also discuss the equivalence between the DZ and Double Ramification (DR) hierarchies, and, if time allows, their equivalence to new hierarchies associated with the Chiodo class.<\/p>\n

This is based on joint works with Danilo Lewanski, Adrien Sauvaget and Sergey Shadrin.<\/p>\n

2025\/26 Winter Semester Mathematical physics seminars<\/a><\/p><\/blockquote>\n