Welcome

Welcome to my website. Here you can find out more about my research and its applications.

In recent days, my research has focused on networks with higher-order interactions.

Gyeong-Gyun Ha

PhD Candidate in Disordered Systems Group

Department of Mathematics | King’s College London, England

Gyeong-Gyun Ha received an M.Sc. in Theoretical Physics from Inha University in 2014. After graduation, He worked at Bitnine, one of the Graph-database vendor companies for 4-years. While working at Bitnine, he developed various applications using the techniques of network science. Currently, he is conducting complex network research at King's College London to understand higher-order systems beyond pairwise interactions.

Research & Study Interest

• Mostly in complex systems of statistical mechanics approach (the fields in bold type are more in my interest.)

◦ General and mathematical aspects of Networks and Graphs

higher-order networks and graphs, etc.

◦ Biophysics and biologically motivated problems

evolutionary game theory, metabolic system, biological networks, etc.

◦ Interdisciplinary topics in statistical physics

applied networks, epidemics, econophysics, social phenomena, traffic flow, etc.

Selected Publication, Honors & Awards

◦ Selected Publications

[1] Gyeong-Gyun Ha*, Izaak Neri and Alessia Annibale.

Clustering coefficients for networks with higher order interactions.

Chaos 1 April 2024; 34 (4): 043102 [Link] [PDF]

[2] Gyeong-Gyun Ha*, CheolSun Kang

System and method for analysis of hypergraph data and computer program for the same, .

Korean Patent Registration No. 1019652770000, 2019.

[3] Gyeong-Gyun Ha, Jin Woo*, Sung Chul Jung, Hyun Jong OH, Yong-Sang Kim

Report on 2016 COMS meteorological image radiometric/geometric calibration quality

National issue number: 11-130559-000075-10, March 2017.

[4] Ashadun Nobi, Seong Eun Maeng, Gyeong Gyun Ha, Jae Woo LEE*.

Effects of global financial crisis on network structure in a local stock market.

Physica A: Statistical Mechanics and its Applications. Volume 407, Pages 135-143, 1 August 2014. [Link]

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