Theory Group for Emergence and Complexity

Recent articles


Matter

H.J. Kim, M.Y. Choi, H.J. Kim, and M. Llin´as, “Conformational dynamics and ligand binding in the multi-domain protein PDC109”, PLoS ONE 5, e9180 (2010).

D. Jeong, M.Y. Choi, H.J. Kim, and Y. Jung, “Fragility, Stokes-Einstein violation, and correlated local excitations in a coarse-grained model of an ionic liquid”, Phys. Chem. Chem. Phys. 12, 2001 (2010).

M.Y. Choi, H. Choi, J.-Y. Fortin, and J. Choi, “Reply to the Comment by A. Gadomski”, Europhys. Lett. 89, 40003 (2010).

S. Han, M.Y. Choi, P. Kumar, and H.E. Stanley, “Phase transitions in confined water nanofilms”, Nature Phys. 6, 685 (2010).

H.W. Kwon and M.Y. Choi, “Comment on “Dynamical phase transition of a one-dimensional transport process including death””, Phys. Rev. E 82, 013101 (2010).

J. Choi, M.Y. Choi, and B.-G. Yoon, “Dynamic phase transition in coupled oscillators under periodic symmetry-breaking fields”, J. Korean Phys. Soc. 57, 1350 (2010).

S. Goh, H.W. Kwon, M.Y. Choi, and J.-Y. Fortin, “Emergence of skew distributions in controlled growth processes”, Phys. Rev. E 82, 061115 (2010).

J. Jo, J.-Y. Fortin, and M.Y. Choi, “Weibull-type limiting distribution for replicative systems”, Phys. Rev. E 83, 031123 (2011).

J. Choi, M.Y. Choi, and B.-G. Yoon, “Cluster motion and resonance-like behavior in coupled oscillators under periodic symmetry-breaking fields”, J. Korean Phys. Soc. 59, 2664 (2011).

J. Choi, M.Y. Choi, and B.-G. Yoon, “Dynamic transition and resonance in coupled oscillators under symmetry-breaking fields”, Int. J. Mod. Phys. B 27 1350062 (2013).

J.-Y. Fortin, S. Mantelli, and M.Y. Choi, “Dynamics of interval fragmentation and asymptotic distributions”, J. Phys. A 46, 225002 (2013).

M. Kim, D. Jeong, H.W. Kwon, and M.Y. Choi, “Information exchange dynamics of the two-dimensional XY model”, Phys. Rev. E 88, 052134 (2013).

J. Choi, M.Y. Choi, and B.-G. Yoon, “Driving distributions and periodic synchronization- desynchronization in driven coupled oscillators”, J. Korean Phys. Soc. 64, 11 (2014).

A.J. Kim, M.Y. Choi, and G.S. Jeon, “Estimate of the phase transition line in the infinite-dimensional Hubbard model'', J. Korean Phys. Soc. 64, 268 (2014).

J. Choi, M.Y. Choi, and B.-G. Yoon, "Driving distributions and periodic synchronization- desynchronization in driven coupled oscillators", J. Korean Phys. Soc. 64, 11 (2014).

A.J. Kim, M.Y. Choi, and G.S. Jeon, "Estimate of the phase transition line in the infinite-dimensional Hubbard model'', J. Korean Phys. Soc. 64, 268 (2014).

A.J. Kim, M.Y. Choi, and G.S. Jeon, "Finite-temperature phase transitions in the ionic Hubbard model", Phys. Rev. B 89, 165117 (2014).

S. Goh, H.W. Kwon, and M.Y. Choi, "Discriminating between Weibull distributions and log-normal distributions emerging in branching processes'', J. Phys. A 47, 225101 (2014).

J. Choi, M.Y. Choi, and B.-G. Yoon, "On the dynamic of traveling phase-oscillators with positive and negative couplings", J. Korean Phys. Soc. 65, 1738 (2014).

A.J. Kim, M.Y. Choi, and G.S. Jeon, "Slope-Reversed Mott Transition in Multiorbital Systems", Phys. Rev. B 92, 125127 (2015).

J. Choi, M.Y. Choi, M.S. Chung, and B.-G. Yoon, "Traveling cluster pairs in a system of phase oscillators with positive and negative couplings under a periodic driving field", J. Korean Phys. Soc. 67, 1524 (2015).

B.S. Choi, D. Jeong, and M.Y. Choi, "General method to solve the heat equation", Physica A 444, 530 (2016).

S. Goh, J.-Y. Fortin, and M.Y. Choi, "Phase transitions and relaxation dynamics of Ising models exchanging particles", Physica A 466, 166 (2017).

B.S. Choi, H. Kang, and M.Y. Choi, "Emergence of heavy-tailed skew distributions from the heat equation", Physica A 470, 88 (2017).

S. Goh, J. Choi, M.Y. Choi, and B.-G. Yoon, "Time evolution of entropy in a growth model: Dependence on the description", J. Korean Phys. Soc. 70, 12 (2017).

H.J. Lee, G.S. Jeon, and M.Y. Choi, "Emergent incommensurate correlations in frustrated ferromagnetic spin-1 chains", Phys. Rev. B 95, 024424 (2017).

J. Choi, M.Y. Choi, and B.-G. Yoon, "Interaction effects on the size distribution in a growth model", J. Korean Phys. Soc. 72, 327 (2018).

J. Choi, M.Y. Choi, and B.-G. Yoon, "Traveling speed of clusters in the Kuramoto-Sakaguchi model", J. Korean Phys. Soc. 72, 342 (2018).

H.I. Zhang and M.Y. Choi, "Generalized formulation of free energy and application to photosynthesis", Physica A 493, 125 (2018).

J.-Y. Fortin, S. Goh, C. Kim, and M.Y. Choi, "Density distribution in two Ising systems with particle exchange", European Phys. J. B 91, 309 (2018).

J. Choi, M.Y. Choi, and B.-G. Yoon, "Effects of Janus oscillators in the Kuramoto model with positive and negative couplings'", J. Korean Phys. Soc. 75, 443 (2019).

H.J. Lee, M.Y. Choi, and G.S. Jeon, "Fractionalized edge spins and boundary conditions in the frustrated ferromagnetic quantum spin chains", J. Korean Phys. Soc. 75, 929 (2019).

B.S. Choi, C. Kim, H. Kang, and M.Y. Choi, "General solution of the heat equation", Physica A 539, 122914 (2020).

S. Goh, J. Woo, J.-Y. Fortin, and M.Y. Choi, "Grand canonical description of equilibrium and non-equilibrium systems using spin formalism", Physica A 558, 124983 (2020).

J.-Y. Fortin, X. Durang, and M.Y. Choi, "Limited coagulation-diffusion dynamics in inflating spaces", Euro. Phys. J. B 93, 175 (2020).

J.-Y. Fortin and M.Y. Choi, “Distribution of the coalescence times in a system of diffusion-aggregation of particle clusters in one dimension”, J. Phys. A 53, 505004 (2020).


Life

J. Choi, M.Y. Choi, M.S. Chung, and B.-G. Yoon, “Range of shortcuts in the dynamic model of neural networks”, J. Phys. A 43, 205001 (2010).

M.W. Cho and M.Y. Choi, “Brain networks: Graph theoretical analysis and development models”, Int. J. Imaging Sys. Tech. 20, 108 (2010).

M.W. Cho and M.Y. Choi, “Emergent topologies in activity-dependent self-organizing networks”, Europhys. Lett. 95, 58005 (2011).

K. Han, H.W. Kwon, H. Kang, J. Kim, M.-S. Lee, and M.Y. Choi, “Dynamics of macroautophagy: modelling and oscillatory behavior”, Physica A 391, 686 (2012).

H.W. Kwon and M.Y. Choi, “How cells grow and divide: mathematical analysis confirms demand for the cell cycle”, J. Phys. A 45, 135101 (2012).

M.W. Cho and M.Y. Choi, “Spontaneous organization of cortical structure through endogenous neural firing and gap junction transmission”, Neural Networks 31, 46 (2012).

K. Han, H. Kang, M.Y. Choi, J. Kim, and M.-S. Lee, “Mathematical model for the glucose-insulin regulatory system: From bursting electrical activity in pancreatic β-cells to glucose dynamics in the whole body”, Phys. Lett. A 376, 3150 (2012).

M.W. Cho and M.Y. Choi, “Modulation of the boundary between hierarchically differentiated domains in a self-organizing neural system”, Europhys. Lett. 101, 48004 (2013).

H.W. Kwon and M.Y. Choi, “Generalized hydromechanical model for stomatal responses to hydraulic perturbations”, J. Theor. Biol. 340, 119 (2014).

M.W. Cho and M.Y. Choi, “A model for the receptive fields of retinal ganglion cells”, Neural Networks 49, 51 (2014).

H.W. Kwon and M.Y. Choi, "Generalized hydromechanical model for stomatal responses to hydraulic perturbations", J. Theor. Biol. 340, 119 (2014).

M.W. Cho and M.Y. Choi, "A model for the receptive fields of retinal ganglion cells", Neural Networks 49, 51 (2014).

K. Han, J. Kim, and M.Y. Choi, "Computer simulations unveil the dynamics of autophagy and its implications for the cellular quality control", J. Biol. Syst. 22, 659 (2014).

K. Han, J. Kim, and M.Y. Choi, "Quantitative indices of autophagy activity from minimal models", Theor. Biol. Math. Modeling 11, 31 (2014).

Y. Park, J.B. Seo, A. Fraind, A. Pérez-Lara, H. Yavuz, K. Han, S.-R. Jung, I. Kattan, P.J. Walla, M.Y. Choi, D.S. Cafiso, D.-S. Koh, and R. Jahn, "Synaptotagmin-1 binds to PIP2-containing membrane but not to SNAREs at physiological ionic strength", Nat. Struct. Mol. Biol. 22, 815 (2015).

K. Han, J. Kim, and M.Y. Choi, "Autophagy mediates phase transitions from cell death to life", Heliyon 1, e00027 (2015).

S. Goh, K. Han, J. Ryu, S. Kim, and M.Y. Choi, "Failure of arm movement control in stroke patients, characterized by loss of complexity", PLoS ONE 10, e0141996 (2015).

M.W. Cho and M.Y. Choi, "Origin of the spike-timing-dependent plasticity rule", Europhys. Lett. 115, 38001 (2016).

H. Kang, K. Han, S. Goh, and M.Y. Choi, "Coexistence of three oscillatory modes of insulin secretion: Mathematical modeling and relevance to glucose regulation", J. Biol. Sys. 25, 341 (2017).

S.H. Kim, S. Goh, J.W. Kim, and M.Y. Choi, "Numerical study of entrainment of the human circadian system and recovery by light treatment", Theor. Biol. Med. Modelling 15, 5 (2018).

M.W. Cho and M.Y. Choi, "Modeling of a neural system based on statistical mechanics", Entropy 20, 848 (2018).

J.-H. Lee, S. Goh, S.H. Kim, J.W. Kim, Y.J. Lee, S.J. Kim, and M.Y. Choi, "Statistical properties of human activity and criticality in active behavior", Europhys. Lett. 126, 68001 (2019).

S.H. Kim, J.W. Kim, J.-J. Park, M.J. Shin, and M.Y. Choi, "Predicting energy expenditure during gradient walking with a foot monitoring device: A model-based approach", J. Med. Internet Res. mHealth uHealth 7, e12335 (2019).

S.H. Kim, J.W. Kim, H.C. Chung, G.J. Choi, and M.Y. Choi, "Behavioral dynamics of pedestrians crossing between two moving vehicles", Appl. Sci. 10, 859 (2020).

K. Han, S.H. Kim, and M.Y. Choi, "Computational modeling of the effects of autophagy on amyloid-"peptide levels", Theor. Biol. Med. Model. 17, 2 (2020).

H.C. Chung, S.H. Kim, J.W. Kim, G. Choi, M.Y. Choi, and H. Li, "Using a virtual reality walking simulator to investigate pedestrian behavior", J. Vis. Exp. 160, e61116 (2020).

M.W. Cho and M.Y. Choi, "Response theory of spiking neural networks", J. Korean Phys. Soc. 77, 168 (2020).

S.H. Kim, J.W. Kim, H.C. Chung, and M.Y. Choi, “A least action principle for interceptive walking”, Sci. Rep. 11, 2198 (2021).


Society

K. Lee, J.S. Park, H. Choi, W.-S. Jung, and M.Y. Choi, “Sleepless in Seoul: ‘the ant and the metrohopper”’, J. Korean Phys. Soc. 57, 823 (2010).

K. Lee, S. Goh, J.S. Park, W.-S. Jung, and M.Y. Choi, “Master equation approach to the intra-urban passenger flow and application to the metropolitan Seoul subway system”, J. Phys. A 44, 115007 (2011).

H.W. Kwon, H.S. Kim, K. Lee, and M.Y. Choi, “Dynamic characteristics of tweeting and tweet topics”, J. Korean Phys. Soc. 60, 590 (2012).

S. Goh, K. Lee, J.S. Park, and M.Y. Choi, “Modification of the gravity model and application to the metropolitan Seoul subway system,” Phys. Rev. E 86, 026102 (2012).

H.W. Kwon, H.S. Kim, K. Lee, and M.Y. Choi, “Information-sharing tendency on Twitter and time evolution of tweeting”, Europhys. Lett. 101, 58004 (2013).

S. Goh, K. Lee, M.Y. Choi, and J.-Y. Fortin, “Emergence of criticality in the transportation passenger flow: Scaling and renormalization in the Seoul bus system”, PLoS One 9, e89980 (2014).

J. Ko, H.W. Kwon, H.S. Kim, K. Lee, and M.Y. Choi, "Model for Twitter dynamics: Public attention and time series of tweeting'', Physica A 404, 142 (2014).

S. Goh, M.Y. Choi, K. Lee, and K. Kim, "How complexity emerges in urban systems: Theory of urban morphology", Phys. Rev. E 93, 052309 (2016).

C. Kim, D.S. Kim, Y. Lin, K. Ahn, and M.Y. Choi, "Dynamics of analyst forecasts and emergence of complexity: role of information disparity", PLoS ONE 12, e0177071 (2017).

K. Ahn, M.Y. Choi, B. Dai, S. Sohn, and B. Yang, "Modeling stock return distributions with a quantum harmonic oscillator", Europhys. Lett. 120, 38003 (2017).

B.S. Choi and M.Y. Choi, "General solution of the Black-Scholes boundary-value problem", Physica A 509, 546 (2018).

K. Lee, J.S. Park, S. Goh, and M.Y. Choi, "Accessibility measurement in transportation networks and application to the Seoul bus system", Geograph. Anal. 51, 339 (2019).

C. Kim, S. Goh, M.S. Choi, K. Lee, and M.Y. Choi, "Hub-periphery hierarchy in bus transportation networks: Gini coefficients and the Seoul bus system", Sustainability 12, 7297 (2020).

J.-H. Lee, J.W. Kim, K. Lee, and M.Y. Choi, “Generalized maximal entropy argument for the gravity law in human mobility”, Europhys. Lett. 132, 48001 (2020).

J.-H. Lee, S. Goh, K. Lee, and M.Y. Choi, “Spatiotemporal Distributions of Population in Seoul: Joint Influence of Ridership and Accessibility of the Subway System”, Euro. Phys. J. Data Sci. 10, 41 (2021).


Humanities

최인령· 최무영, “복잡계와 환기시학: 복잡성, 협동현상, 떠오름”, 프랑스학연구 66, 321 (2013).

김민수· 최무영, “복잡계 현상으로서의 생명: 정보교류의 관점”, 과학철학 16, 127 (2013).

최인령· 최무영, “정보교류와 온생명 개념에 기초한 ‘온문화’ 패러다임의 고찰과 학제간 융합연구 모형 제시”, 열린정신 인문학연구 18, 181 (2017).

I.-R. Choi, J.W. Kim, and M.Y. Choi, "Emergence of complexity in poetry: 'Soleils couchants' of Verlaine", Palgrave Comm. 5, 82 (2019).

최인령⋅최무영, 「복잡성 패러다임으로 본 과학과 예술: 상상과 상식을 중심으로」, 프랑스문화연구 44, 175 (2020).



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