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Extra Form
Lecturer 김상현
Dept. 고등과학원
date May 06, 2021

 

For each natural number k, the C^k diffeomorphisms of the circle form a group with function compositions. This definition even extends to real numbers k no less than one by Hölder continuity. We survey algebraic properties of this group, many of which can distinguish various values of k. (Joint work with Thomas Koberda)

Atachment
Attachment '1'
List of Articles
Category Subject Dept. Lecturer
Math Colloquia 원의 유리매개화에 관련된 수학 file 건국대학교 최인송
Math Colloquia Satellite operators on knot concordance file 건국대학교 김태희
Math Colloquia Mathematical Models and Intervention Strategies for Emerging Infectious Diseases: MERS, Ebola and 2009 A/H1N1 Influenza file 건국대학교 교수, 현 산업응용수학회 회장 정은옥
Math Colloquia Structures of Formal Proofs file 경북대학교 정주희
Math Colloquia High dimensional nonlinear dynamics file 경북대학교 도영해
Math Colloquia Regularity for non-uniformly elliptic problems file 경북대학교 오제한
Math Colloquia Free boundary problems arising from mathematical finance file 경희대학교 전준기
Special Colloquia Algebraic surfaces with minimal topological invariants file 고등과학원 금종해
BK21 FOUR Rookies Pitch 2022-1 Rookies Pitch: Symplectic/Algebraic Geometry (좌동욱) file 고등과학원 좌동욱
BK21 FOUR Rookies Pitch 2022-1 Rookies Pitch: Algebraic Topology (송종백) file 고등과학원 송종백
BK21 FOUR Rookies Pitch 2022-1 Rookies Pitch:Functional Analysis (정민구) file 고등과학원 정민구
BK21 FOUR Rookies Pitch 2022-2 Rookies Pitch: Harmonic Analysis (오세욱) file 고등과학원 오세욱
Math Colloquia What happens inside a black hole? file 고등과학원 오성진
Math Colloquia Conformal field theory in mathematics file 고등과학원 강남규
Math Colloquia On circle diffeomorphism groups file 고등과학원 김상현
Math Colloquia Topological surgery through singularity in mean curvature flow file 고등과학원 최경수
Math Colloquia <학부생을 위한 ɛ 강연> 양자상태의 기하학 file 고등과학원 김영훈
Math Colloquia A brief introduction to stochastic models, stochastic integrals and stochastic PDEs file 고려대학교 김경훈
Math Colloquia Codimension Three Conjecture file 교토대학교/서울대학교 Masaki Kashiwara
Math Colloquia 돈은 어떻게 우리 삶에 돈며들었는가? (불확실성 시대에 부는 선형적으로 증가하는가?) file 농협은행 홍순옥
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