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Seminar
FIELD Mathematics
DATE June 20 (Tue), 2017
TIME 16:00-18:00
PLACE 1424
SPEAKER Jeehoon Park
HOST Kim, Chan-Ho
INSTITUTE Postech
TITLE [Mini-course on Number Theory] Arithmetic Chern-Simons theory 1
ABSTRACT

The Chern-Simons theory is a gauge theory which is a version of (2+1)-dimensional TQFT (topological quantum field theory). It provided a useful framework and tools to
understand the topology of knots in a 3-manifold, for example, the Jones polynomial of knots. The arithmetic Chern-Simons theory for Galois representations, initiated by Minhyong Kim, is an arithmetic analogue of the Chern-Simons theory, which is expected to attack the number theory problem (Galois theory problem, L-functions, Iwasawa theory, and etc) guided by physics (quantum field theory) and topology principles and techniques appearing in the Chern-Simons theory. In this talk, we provide a definition of the arithmetic Chern-Simons action. Then we will explain how to compute it using the boundary torsors and their trivializations, and its arithmetic application.
This is a joint work with Hee-Joong Chung, Dohyeong Kim, Minhyong Kim, and Hwajong Yoo.

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