Wigner 111 - Colourful and Deep

Session

Group Theory

12 Nov 2013, 14:00

Ceremonial Hall (Díszterem) (Hungarian Academy of Sciences)

78. Poisson Geometry  of Difference Lax Operators  and Difference Galois Theory

Prof. Michel Semenov-Tian-Shansky

12/11/2013, 14:00

We discuss the lift of Poisson structures associated with auxiliary linear problems for the differential and difference Lax equations to the space of wave functions. Due to a peculiar symmetry breaking, the corresponding differential and difference Galois groups become Poisson Lie Groups. Relations with the q-deformation of the Virasoro algebra is also described.

64. Group Theory Origin of Higher Spin Duality

Prof. Antal Jevicki

12/11/2013, 14:25

33. Hidden symmetries of scattering amplitudes in gauge theories

Prof. Gregory Korchemsky

12/11/2013, 14:50

32. Geometry of the nuclear shell model

Prof. Pieter Van Isacker

12/11/2013, 15:15

The shell model has become one of the standard tools for the interpretation of nuclear properties. It exists in a variety of guises ranging from the ab initio version where all nucleons interact with each other, to more phenomenological versions with schematic interactions between nucleons in the valence shell. Shell-model calculations frequently are computationally intensive, requiring the...

87. Wigner and the groups in classifying elementary particles and nuclear states

Prof. József Cseh

12/11/2013, 16:00

Wigner did a pioneer work in the application of group theory in physics [1]. He made especially great contributions to the particle and nuclear physics [2]. The essential role of the representations of the inhomogeneous Lorentz group in classifying the elementary particles [3] is well known: a particle (fundamental or composite) transforms according to an irreducible...

89. Describing pair production in inhomogeneous external fields with the Dirac-Heisenberg-Wigner formalism

Mr Dániel Berényi (MTA Wigner FK RMI, ELTE)

12/11/2013, 16:25