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[Fizinfo] MTA Wigner FK RMI Elméleti Osztály Szemináriuma


Chronological Thread 
  • From: Balog Janos <balog.janos AT wigner.mta.hu>
  • To: fizinfo AT lists.kfki.hu, rmkiusers AT lists.kfki.hu
  • Subject: [Fizinfo] MTA Wigner FK RMI Elméleti Osztály Szemináriuma
  • Date: Wed, 07 Mar 2018 10:19:51 +0100
  • Authentication-results: smtp0.kfki.hu (amavisd-new); dkim=pass (1024-bit key) reason="pass (just generated, assumed good)" header.d=wigner.mta.hu

MTA Wigner FK RMI Elméleti Osztály Szemináriuma
Tisztelettel meghívjuk


Yunfeng Jiang
(ETH)


"Algebraic geometry and Bethe ansatz"


címmel tartandó szemináriumára.

Kivonat:


In this talk, I will discuss how to apply methods of modern computational algebraic geometry to Bethe ansatz. I will show that algebraic geometry provides natural mathematical languages and powerful tools to understand the structure of solutions of Bethe ansatz equations (BAE). In particular, I will present new methods to count the number of physical solutions with fixed quantum numbers based on Gr\"obner basis and quotient ring. This method can be applied to study the completeness of Bethe ansatz. I will also discuss an analytical method to compute the sum of on-shell physical quantities over all physical solutions without explicitly solving BAE. This method has important applications in calculating the sum rules of OPE coefficients in $\mathcal{N}=4$ super-Yang-Mills theory.




Helye: MTA Wigner FK RMI II.ép. Médiaterem
Ideje: 2018 március 9 péntek du. 14:00 óra



Szívesen látunk minden érdeklődőt.

Balog János



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