Publications

Publications are arranged by topic (Arranged by published date. # of citations)

◦ Higher-order networks

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

Connected components in networks with higher-order interactions. 

Journal of Physics: Complexity. 6(4): 045006, 2025. [Link]

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

Clustering coefficients for networks with higher order interactions. 

Chaos. 34 (4): 043102, 2024. [Link]

◦ Metabolism

[1] Gyeong-Gyun Ha, Deok-Sun Lee*.

Robustness of the metabolic networks: The impact of enzymatic gene expression. 

In preparation

◦ Econophysics

[1] Gyeong Gyun Ha, Ashadun Nobi, Jae Woo Lee*.

Threshold network of a financial market using the P-value of correlation coefficients.

Journal of Korean Physical Society. Volume 66, Issue 12, pp 1802-1808, 2015 [Link] [PDF]

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

Structural changes in the minimal spanning tree and the hierarchical network in the Korean stock market around the global financial crisis.

Journal of Korean Physical Society. Volume 66, Issue 8, pp 1153-1159, 2015 [Link] [PDF]

[3] 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, 2014. [Link] [PDF]

[4] Jae Woo Lee, Seong Eun Maeng, Gyeong-Gyun Ha, Moon Hyeok Lee and Eun Seong Cho.

Applications of Complex Networks on Analysis of World Trade Network.

Journal of Physics: Conference Series. Volume 410, 012063, 2013 [Link] [PDF]

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

Random Matrix Theory and Cross-correlations in Global Financial Indices and Local Stock Market Indices.

Journal of Korean Physical Society. Volume 62, Issue 4, pp 569-574, 2013. [Link] [PDF]

◦ Other papers related to network analysis

[1] GyeongMi Gi, Sonya Martin, Gyeong-Gyun Ha, Eun Ji Park*.

Research Trends of Equity in Informal Science Learning and Education: from 2000 to 2017 Multidisciplinary Application of Network Analysis. 

The Korean Society of Science & Art. Volume 37, Issue 5, pp 27-45, 2019. [Link]

◦ International Patent (under the Patent Cooperation Treaty, registered via the Korean Intellectual Property Office)

[1] Gyeong-Gyun Ha, Cheolsun Kang

System and method for visualization of graph data and computer program for the same.

Korean Patent Registration No. 1020851610000, 2020. [Link]

[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. [Link]

[3] KwanMo Kim, Gyeong Gyun Ha, Cheolsun Kang

System and method for analysis of data based on graph and computer program for the same.

Korean Patent Registration No. 1019652760000, 2019. [Link]

◦ Other publications (Technical reports of Government)

[1] 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.

[2] All the members of National Meteorological Satellite Center (authors contributed equally)

Technical Development on Satellite Data Application for Operational Weather Service

National issue number: 11-1360000-001390-10, March 2017.

[3] Gyeong-Gyun Ha, Jae-Gwan Kim, Jin Woo*, Sung Chul Jung, Jeong-Sik Kim, Hyuk Jin Yun

Report on 2015 COMS meteorological image radiometric/geometric calibration quality

National issue number: 11-130559-000075-10, February 2016.