Agenda January 20

• Time: 10.00 - 17.00
• Talk 10.30-11.00, H320
  Asmita Mukherjee "Gluonic Pole Matrix Element and Universality of Fragmentation Functions"

  
  
  

• Time: 15.00 - 16.00 Student meeting/discussion
  Jacob Noordmans (RuG/KvI): "Aspects of Lorentz symmetry"
  

  
  Lorentz symmetry is an almost indisputable part of our theories of nature. And an experimentally very well tested part at that. It is nonetheless important to keep testing this symmetry, exactly because we rely so heavily on it in our description of nature. In this student-talk I will try to shine some light on different aspects of Lorentz symmetry: some of its consequences, its connection to CPT, what happens if we break it and how can we test it?

  
  
  

• Talk 16.30-17.00, H320
  Ioannis Malamos (RU Nijmegen) "Reduction of one and two-loop Amplitudes at the Integrand level"

  
  We define the order of a Feynman integral by the number of its denominators (propagators). We then discuss reduction of Feynman integrals at the integrand level at one and two-loop cases. At one-loop level such reductions are known and we just present them with a different approach. At the two-loop level this subject is under investigation since a base for Feynman integrals is not known in advance. However, we explain how one can arrive at such a reduction in a general case.
  

• 17.00 Borrel

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