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Extra Form
강연자 Koji Fujiwara
소속 Kyoto Univ.
date 2016-05-12

A function from a group G to integers Z is called a quasi-morphism if there is a constant C such that for all g and h in G, |f(gh)-f(g)-f(h)| < C. Surprisingly, this idea has been useful.

I will overview the theory of quasi-morphisms including applications.

Then we discuss a recent work with M.Kapovich when we replace the target group from Z to a non-commutative group, for example, a free group.


Atachment
첨부 '1'
List of Articles
카테고리 제목 소속 강연자
수학강연회 <학부생을 위한 ɛ 강연> Introduction to the incompressible Navier-Stokes equations file UNIST 배한택
수학강연회 An introduction to hyperplane arrangements file 서울대 이승진
수학강연회 What happens inside a black hole? file 고등과학원 오성진
수학강연회 <학부생을 위한 ε 강연> Variable-driven sociological research with data innovations file 연세대학교 강정한
수학강연회 Subword complexity, expansion of real numbers and irrationality exponents file 동국대 김동한
수학강연회 <학부생을 위한 ε 강연> 동형암호와 근사정수론 file 서울대 천정희
수학강연회 4-manifold topology and disk embedding file 포항공과대학교 차재춘
수학강연회 Hybrid discontinuous Galerkin methods in computational science and engineering file 연세대 박은재
수학강연회 The phase retrieval problem file Hong Kong University of Science and Technology Yang Wang
수학강연회 Theory and applications of partial differential equations file 서울대 변순식
수학강연회 Analysis and computations of stochastic optimal control problems for stochastic PDEs file 아주대 이형천
수학강연회 <학부생을 위한 ε 강연> 압축센싱과 행렬완성 file 서울대 심병효
수학강연회 <학부생을 위한 ε 강연> 수학과 예술 - 초기 컴퓨터 그래픽 file 동양대학교 진중권
수학강연회 Faithful representations of Chevalley groups over quotient rings of non-Archimedean local fields file Univ. Bremen Keivan Mallahi-Karai
수학강연회 Quasi-homomorphisms into non-commutative groups file Kyoto Univ. Koji Fujiwara
수학강연회 Entropies on covers of compact manifolds file CNRS (France) François Ledrappier
수학강연회 Iwahori-Hecke algebras and beyond file University of Picardie Jules-Verne, Amiens 김성순
수학강연회 On the resolution of the Gibbs phenomenon file SUNY Buffalo 정재훈
수학강연회 <학부생을 위한 ε 강연> What mathematics can do for the real and even fake world file UCLA Stanley Osher
수학강연회 The process of mathematical modelling for complex and stochastic biological systems file KAIST 김재경
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