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Department of Mathematics and Computer Science

Campusvej 55, Odense M

20.05.2025

15:00 - 16:00

QM Research Seminar: Towards Holography from Calabi-Yau Categories

20 May

Speaker: Jakob Ulmer(​Sorbonne Paris Norht University)Abstract: I will recall the work of Costello, Caldararu-Tu on how to extract 'enumerative‘ invariants out of a Calabi-Yau category C, conjecturally matching GW invariants of M symplectic if C=Fuk(M). Their work is an algebraic incarnation of closed string field theory (SFT); the invariants are assembled in the partition function of the closed SFT associated to C. Next I will report on work in progress (by U., Amorim-Tu and using results of Voronov et. al) how to define the partition function of large N open SFT on a stack of N branes of an object x of C, conjecturally related to open GW invariants. Finally I explain how to define the partition function of closed SFT of C, backreacted in the direction of an object x. This is directly inspired by constructions in the ’Twisted Holography’ proposal of Costello-Gaiotto.

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Campusvej 55, Odense M

22.05.2025

10:00 - 13:00

PhD defence @IMADA: Santiago Quintero de los Ríos

22 May

Santiago Quintero de los Ríos defends his PhD thesis at a public lecture titled: ”The Continuous Stochastic Gradient Method”.The PhD defence takes place in IMADA Conference Room (Ø18-509-2)The chairman of the assessment committee, Professor Achim Schroll, will act as chairman at the defence.All are welcome.

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Campusvej 55, Odense M

26.05.2025

14:00 - 15:00

QM Research Seminar: Bootstrapping form factors with master integrals and the maximal transcendentality principle

26 May

Speaker: Yuanhong Guo(Chinese Academy of Sciences)Abstract: ​In recent years, the bootstrap method has made significant progress in calculating physical quantities in quantum field theories. The main idea of the bootstrap method is to obtain the final result directly by appropriately assuming a general ansatz of the result and utilizing some known physical constraints. The bootstrap method also provides a way to comprehend the maximal transcendentality principle, which claims that the maximally transcendental parts of a class of physical quantities (such as the cusp anomalous dimensions and the loop corrections of the form factors, etc.) are the same in N=4 SYM and QCD. The uniqueness of the results can be understood by the universal physical constraints in different field theories. In this seminar talk, I will present the related progress of bootstrapping the two-loop four-point form factors in the gauge field theories based on the master integrals and demonstrate the maximal transcendentality principle for a series of form factors through the bootstrap strategy.

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Campusvej 55, Odense M

02.06.2025

15:00 - 16:00

QM Research Seminar: Feynman integrals and intersection theory

2 Jun

Speaker: Hjalte Axel Frellesvig(Zhejiang University)  Abstract: The mathematical field of intersection theory has provided an important new perspective on Feynman integrals and the relations between them. With this approach it is possible to derive such relations with a direct projection, providing a promising alternative to the slow standard approach based on IBPs.I will discuss various aspects of this mathematical framework, including newer developments based on relative cohomology which turns out to be a perfect fit for the mathematical structure of Feynman integrals. I will also discuss some brand new developments, that helps bring the day when the intersection-based approach can outcompete IBPs within sight.

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Registration deadline: 13.06.2025

Campusvej 55, Odense M

23.06.2025 10:00

27.06.2025 13:00

ReNewQuantum International Conference 2025 - Resurgence in Mathematics and Physics

23 Jun

ReNewQuantum, or 'Recursive and Exact New Quantum Theory,' is based on advanced geometric and topological constructions. This project aims to revolutionize Quantum Theory by developing explicit recursive schemes that effectively compute quantum corrections to all orders and achieve exact results using all non-perturbative contributions. The conference will serve as a platform for sharing groundbreaking research and fostering collaboration among leading experts in the field.

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Registration deadline: 13.06.2025

Campusvej 55, Odense M

23.06.2025 10:00

27.06.2025 13:00

ReNewQuantum International Conference 2025 - Resurgence in Mathematics and Physics

23 Jun

ReNewQuantum, or 'Recursive and Exact New Quantum Theory,' is based on advanced geometric and topological constructions. This project aims to revolutionize Quantum Theory by developing explicit recursive schemes that effectively compute quantum corrections to all orders and achieve exact results using all non-perturbative contributions. The conference will serve as a platform for sharing groundbreaking research and fostering collaboration among leading experts in the field.

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Registration deadline: 31.07.2025

Campusvej 55, Odense M

13.08.2025 09:00

14.08.2025 15:00

Danish Quantum Field Theory Meeting 2025

13 Aug

From August 13-14, 2025, the Danish Quantum Field Theory Meeting 2025 will take place at the University of Southern Denmark, Odense.

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Registration deadline: 31.07.2025

Campusvej 55, Odense M

13.08.2025 09:00

14.08.2025 15:00

Danish Quantum Field Theory Meeting 2025

13 Aug

From August 13-14, 2025, the Danish Quantum Field Theory Meeting 2025 will take place at the University of Southern Denmark, Odense.

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Department of Mathematics and Computer Science

  • Campusvej 55
  • Odense M - DK-5230
  • Phone: +45 6550 2387

Last Updated 27.07.2024