Семинар за теорију релативности и космолошке моделе, 6. новембар 2019.

Наредни састанак Семинара биће одржан у среду, 6. новембра 2019. у сали 301ф Математичког института САНУ са почетком у 11 часова.

Предавач: Марко Војиновић, Group for Gravitation, Particles and Fields, Institute of Physics, University of Belgrade

Наслов предавања: 3-CATEGORIES, 3-GROUPS, AND HIGHER GAUGE THEORY OF GRAVITY

Апстракт: We will describe the application of the cateogory theory formalism to fundamental physics. After a short introduction into the notions of 2-groups and 3-groups, we will give a step-by-step overview of the gauge theory construction based on a notion of a 3-group. This is an known as higher gauge theory, based on general ideas of Baez and Huerta. We will discuss which 3-group reproduces the Standard Model and Einstein-Cartan gravity at the classical level. The main novelty, compared to standard quantum field theory constructions, is that the 3-group structure features a structure intimately connected to the fermion and scalar sectors of the Standard Model. This could open new avenues for research on unification of all interactions and matter.


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