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Spring Semester 2025

Date / Time Speaker Title Location
22 January 2025
13:30-15:00 		Prof. Dr. Pierrick Bousseau
Univ. of Georgia
Details

Algebraic Geometry and Moduli Seminar

Title Non-toric brane webs, Calabi-Yau 3-folds, and 5d SCFTs
Speaker, Affiliation Prof. Dr. Pierrick Bousseau, Univ. of Georgia
Date, Time 22 January 2025, 13:30-15:00
Location HG G G43
Abstract One of the most remarkable predictions of string/M-theory is the existence of 5-dimensional superconformal field theories (5d SCFTs). There are two main approaches for constructing these 5d SCFTs, using either M-theory on canonical 3-fold singularities, or intersecting branes in Type IIB string theory. A natural question is to compare these two approaches. The answer is well-known for webs of 5-branes in Type IIB string theory, where the M-theory dual canonical 3-fold singularity is a toric Calabi–Yau 3-fold.  In this talk,  building on recent advances in mirror symmetry and enumerative geometry, I will provide an answer for the more general case of webs of 5-branes with 7-branes and explain how to construct the M-theory dual non-toric Calabi-Yau 3-fold. This is joint work with Valery Alexeev and Hulya Arguz.
Non-toric brane webs, Calabi-Yau 3-folds, and 5d SCFTsread_more
HG G G43
* 3 February 2025
17:30-19:00 		Prof. Dr. Davesh Maulik
MIT
Details

Algebraic Geometry and Moduli Seminar

Title D-equivalence conjecture for varieties of K3^[n]-type
Speaker, Affiliation Prof. Dr. Davesh Maulik, MIT
Date, Time 3 February 2025, 17:30-19:00
Location Zoom
Abstract The D-equivalence conjecture of Bondal and Orlov predicts that birational Calabi-Yau varieties have equivalent derived categories of coherent sheaves.  I will explain how to prove this conjecture for hyperkahler varieties of K3^[n] type (i.e. those that are deformation equivalent to Hilbert schemes of K3 surfaces).  This is joint work with Junliang Shen, Qizheng Yin, and Ruxuan Zhang.
D-equivalence conjecture for varieties of K3^[n]-typeread_more
Zoom
7 February 2025
16:00-17:30 		Dr. Kento Osuga
Univ. of Tokyo
Details

Algebraic Geometry and Moduli Seminar

Title Title T.B.A.
Speaker, Affiliation Dr. Kento Osuga, Univ. of Tokyo
Date, Time 7 February 2025, 16:00-17:30
Location HG G G43
Title T.B.A.
HG G G43
28 February 2025
16:00-17:30 		Dr. Qaasim Shafi
Universität Heidelberg
Details

Algebraic Geometry and Moduli Seminar

Title Title T.B.A.
Speaker, Affiliation Dr. Qaasim Shafi, Universität Heidelberg
Date, Time 28 February 2025, 16:00-17:30
Location HG G G43
Title T.B.A.
HG G G43
7 March 2025
16:00-17:30 		Dr. Michele Graffeo
SISSA
Details

Algebraic Geometry and Moduli Seminar

Title Title T.B.A.
Speaker, Affiliation Dr. Michele Graffeo, SISSA
Date, Time 7 March 2025, 16:00-17:30
Location HG G G43
Title T.B.A.
HG G G43
12 March 2025
13:30-15:00 		Prof. Dr. Gavril Farkas
Humboldt Universität zu Berlin
Details

Algebraic Geometry and Moduli Seminar

Title Title T.B.A.
Speaker, Affiliation Prof. Dr. Gavril Farkas, Humboldt Universität zu Berlin
Date, Time 12 March 2025, 13:30-15:00
Location HG G G43
Title T.B.A.
HG G G43
21 March 2025
16:00-17:30 		Prof. Dr. Hsian-Hua Tseng
Ohio State University
Details

Algebraic Geometry and Moduli Seminar

Title Title T.B.A.
Speaker, Affiliation Prof. Dr. Hsian-Hua Tseng, Ohio State University
Date, Time 21 March 2025, 16:00-17:30
Location HG G G43
Title T.B.A.
HG G G43
28 March 2025
16:00-17:30 		Dr. Calla Tschanz
Ruhr Universität Bochum
Details

Algebraic Geometry and Moduli Seminar

Title Title T.B.A.
Speaker, Affiliation Dr. Calla Tschanz, Ruhr Universität Bochum
Date, Time 28 March 2025, 16:00-17:30
Location HG G G43
Title T.B.A.
HG G G43

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