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교수진

교수정보의 상세 화면
정의진
이름
정의진
학력
박사
전공
수학전공(과)
정보
연구실 :
팔달관 717호

연구실번호 :
3718

이메일 :
uijin@ajou.ac.kr

연구관심분야 :
Dynamical Systems

홈페이지 :
학력
졸업연도/학교/학위
2009.08 한국과학기술원 박사
졸업연도/학교/학위
2004.02 한국과학기술원 학사
경력 2011. 9 - 2013.2 Research Fellow, Korea Institute for Advanced Study (KIAS)
2009. 9 - 2010.8 Research Fellow, KAIST
연구분야 Dynamical Systems: Symbolic dynamics, Topological dynamics and Ergodic theory

논문 및 연구활동
연구활동(주요논문)
  • [논문] 정의진, 홍순조, Mahsa Allahbakhshi, Class-closing factor codes and constant-class-to-one factor codes from shifts of finite type , DYNAMICAL SYSTEMS-AN INTERNATIONAL JOURNAL , Vol.30 , No.4 , pp.1 -16 (Sep, 2015)
  • [논문] 정의진, Soonjo Hong, Mahsa Allahbakhshi, Structure of transition classes for factor codes on shifts of finite type , ERGODIC THEORY AND DYNAMICAL SYSTEMS , Vol.35 , No.8 , pp.2353 -2370 (Jan, 2015)
  • [논문] 정의진, 홍순조, 이인제, Decompositions of factor codes and embeddings between shift spaces with unequal entropies , ERGODIC THEORY AND DYNAMICAL SYSTEMS , Vol.1 , pp.144 -157 (Feb, 2013)
  • [논문] 정의진, On the existence of open and bi-continuing codes , TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY , pp.1399 -1417 (Mar, 2011)
  • [논문] 정의진, Open maps between shift spaces , ERGODIC THEORY AND DYNAMICAL SYSTEMS , Vol.29 , No.4 , pp.1257 -1272 (Aug, 2009)
국제학술논문지
  • [논문] 정의진, 고계원, 이중섭, Topological entropy dimension and directional entropy dimension for Z2-subshifts , ENTROPY , Vol.2 , pp.1 -13 (Jan, 2017)
  • [논문] 정의진, Fiber-Mixing Codes between Shifts of Finite Type and Factors of Gibbs Measures , ENTROPY , Vol.18 , No.12 , pp.1 -10 (Nov, 2016)
  • [논문] 정의진, 홍순조, Mahsa Allahbakhshi, Class-closing factor codes and constant-class-to-one factor codes from shifts of finite type , DYNAMICAL SYSTEMS-AN INTERNATIONAL JOURNAL , Vol.30 , No.4 , pp.1 -16 (Sep, 2015)
  • [논문] 정의진, Soonjo Hong, Mahsa Allahbakhshi, Structure of transition classes for factor codes on shifts of finite type , ERGODIC THEORY AND DYNAMICAL SYSTEMS , Vol.35 , No.8 , pp.2353 -2370 (Jan, 2015)
  • [논문] 정의진, 이인제, Bi-resolving Graph Homomorphisms and Extensions of Bi-closing codes , ACTA APPLICANDAE MATHEMATICAE , Vol.126 , No.1 , pp.245 -252 (Aug, 2013)
  • [논문] 정의진, 홍순조, 이인제, Decompositions of factor codes and embeddings between shift spaces with unequal entropies , ERGODIC THEORY AND DYNAMICAL SYSTEMS , Vol.1 , pp.144 -157 (Feb, 2013)
  • [논문] 정의진, On the existence of open and bi-continuing codes , TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY , pp.1399 -1417 (Mar, 2011)
  • [논문] 정의진, Open maps between shift spaces , ERGODIC THEORY AND DYNAMICAL SYSTEMS , Vol.29 , No.4 , pp.1257 -1272 (Aug, 2009)
국제학술발표
  • [학술회의] 정의진, Toeplitz subshifts with entropy dimension , 2018 Joint Meeting of the Korean Mathematical Society and the German Mathematical Society (Oct, 2018)
  • [학술회의] 김민규, 정의진, A necessary and sufficient condition for the existence of invariant Gibbs measures , 2018 Joint Meeting of the Korean Mathematical Society and the German Mathematical Society (Oct, 2018)
  • [학술회의] 정의진, On the number of ergodic measures over an ergodic measure for factor maps between shifts of finite Type , The 12th AIMS Conference on Dynamical Systems, Differential Equations and Applications (Jul, 2018)
  • [학술회의] 정의진, Lifts of invariant measures and their multiplicity structure for factor maps between shifts of finite typ , Diophantine Approximation and related topics (Jan, 2018)
  • [학술회의] 정의진, Lifts of ergodic measures and their multiplicity structure for factor maps between shifts of finite type II : Realization of multiplicity , Recent Progress in Ergodic Theory (Oct, 2017)
  • [학술회의] 정의진, Lifts of ergodic measures and their multiplicity structure for factor maps between shifts of finite type I : Structure of the inverses of an ergodic measure , Recent Progress in Ergodic Theory (Oct, 2017)
  • [학술회의] 정의진, Constructions of expansive topological dynamical systems with uncountably many topologically transitive components , Vietnam - Korea workshop on selected topics in Mathematics (Feb, 2017)
  • [학술회의] 정의진, On the numbers of ergodic lifts over ergodic measures for finite-to-one factor maps between shifts of finite type , Combinatorics, Automata and Number Theory 2016 (CANT 2016) (Nov, 2016)
  • [학술회의] 정의진, Structure of factor maps in symbolic dynamical systems , International Conference for the 70th Anniversary of Korean Mathematical Society (Oct, 2016)
  • [학술회의] 정의진, Number of ergodic lifts for a finite-to-one factor maps between shifts of finite type , Workshop on Dynamical Systems and Related Topics (Feb, 2016)
  • [학술회의] 정의진, Numbers of ergodic lifts over ergodic measures for finite-to-one factor maps between shifts of finite type , Ergodic theory and related topics (Nov, 2015)
  • [학술회의] 정의진, Mahsa Allahbakhshi, Soonjo Hong, Structure of transition classes fibers of factor maps between shifts of finite type with unequal entropies , International Congress of Mathematicians Seoul 2014 (Aug, 2014)
  • [학술회의] 정의진, Class degree and the structure of transition classes: a new invariant for infinite-to-one maps from shifts of finite type , ICM 2014 Satellite Conference on Dynamical Systems and Related Topics (Aug, 2014)
  • [학술회의] 정의진, A construction of strictly ergodic subshifts having entropy dimension and their SMB and return time properties , 5th Pingree Park Dynamics Workshop 2014 (Jul, 2014)
  • [학술회의] 정의진, Degree to class degree, and structure of transition classes of factor maps from shifts of finite type , Measurable and Topological Dynamical Systems (Keio 2013) (Dec, 2013)
  • [학술회의] 정의진, A construction of strictly ergodic subshifts having entropy dimension , floripadynsys : Workshop on Dynamics, Numeration and Tilings (Nov, 2013)
  • [학술회의] 정의진, Fiber-mixing codes and factors of Gibbs measures for subshifts of finite type , The Asian Mathematical Conference 2013 (Jul, 2013)
  • [학술회의] 정의진, Decomposition problems in symbolic dynamics , The Second Pacific Rim Mathematical Association Congress (Jun, 2013)
국내학술발표
  • [학술회의] 정의진, 김민규, Properties of balanced and weak balanced shift spaces and connections to the existence of invariant maximal measure with Gibbs property , 2018년도 대한수학회 봄 연구발표회 (Apr, 2018)
  • [학술회의] 정의진, Expansive topological dynamical systems with uncountably many topologically transitive components , Symposium on Ergodic theory (Aug, 2016)
  • [학술회의] 정의진, 유지상, On the number of ergodic measures over ergodic measures for a finite-to-one factor maps between shifts of finite type , 2015년도 대한수학회 정기총회 및 가을 연구발표회 (Oct, 2015)
  • [학술회의] 유지상, 정의진, Decomposition of infinite-to-one factor codes , 2015년도 대한수학회 봄 연구발표회 (Apr, 2015)
  • [학술회의] 정의진, Infinite-to-one maps and class closing codes between shifts of finite type , Workshop on Dynamical Systems and Related Fields 2014 (Feb, 2014)
  • [학술회의] 정의진, C*-algebras arising from classification problems in symbolic dynamics , 2013 대한수학회 정기총회 및 가을 연구발표회 , pp.97 -97 (Oct, 2013)
  • [학술회의] 정의진, Class degree, transition classes and structure of fibers of maps from shifts of finite type , Workshop on Dynamical Systems and Related Fields (Feb, 2013)
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