(Ph.D.) Mathematics at University of Washington (2007.8)
(MS) Mathematics at Yonsei University (1999.8)
(BS) Mathematics at Yonsei University (1995.2)
Experience
Professor, Department of Mathematics Education, Sungkyunkwan University, March 2022 - Present.
Associate Professor, Department of Mathematics Education, Sungkyunkwan University, March 2016 - February 2022.
Assistant Professor, Department of Mathematics Education, Sungkyunkwan University, March 2012 - February 2016.
Research Fellow, School of Computational Sciences, Korea Institute for Advanced Study, October 2009 - February 2012.
Research Fellow, Computational Engineering Program, Singapore-MIT Alliance (National University of Singapore), August 2008 - September 2009.
Research Fellow, Department of Mathematics, National University of Singapore, August 2007 - July 2008.
Journal Articles
(2024)
Hybrid-triggered output feedback containment control for multi-agent systems with missing measurements.
IEEE TRANSACTIONS ON SIGNAL AND INFORMATION PROCESSING OVER NETWORKS.
10,
(2023)
Dynamic event-triggered formation control for Takagi–Sugeno fuzzy multi-agent systems with mismatched membership functions.
CHAOS SOLITONS & FRACTALS.
177,
(2023)
A limited-memory trust-region method for nonlinear optimization with many equality constraints.
COMPUTATIONAL & APPLIED MATHEMATICS.
42,
3
(2023)
Trend filtering by adaptive piecewise polynomials.
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION.
116,
1
(2022)
A GPM-based algorithm for solving regularized Wasserstein barycenter problems in some spaces of probability measures.
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS.
416,
1
(2022)
Divergences on Symmetric Cones and Medians.
TAIWANESE JOURNAL OF MATHEMATICS.
26,
4
(2022)
Global attractor and limit points for nonsmooth ADMM.
Applied Mathematics Letters.
128,
(2022)
Nonconvex Constrained Minimisation for 3D Left Ventricular Shape Recovery Using 2D Echocardiography Data.
EAST ASIAN JOURNAL ON APPLIED MATHEMATICS.
12,
1
(2021)
STOCHASTIC GRADIENT METHODS FOR L2-WASSERSTEIN LEAST SQUARES PROBLEM OF GAUSSIAN MEASURES.
Journal of the Korean Society for Industrial and Applied Mathematics.
25,
4
(2020)
Sparse probabilistic K-means.
APPLIED MATHEMATICS AND COMPUTATION.
382,
(2019)
Dynamic clustering approach with ACO-based mobile sink for data collection in WSNs.
WIRELESS NETWORKS.
25,
8
(2019)
A subspace SQP method for equality constrained optimization.
COMPUTATIONAL OPTIMIZATION AND APPLICATIONS.
74,
1
(2019)
Enhanced clustering and ACO-based multiple mobile sinks for efficiency improvement of wireless sensor networks.
COMPUTER NETWORKS.
160,
1
(2019)
GRADIENT PROJECTION METHODS FOR THE n-COUPLING PROBLEM.
JOURNAL OF THE KOREAN MATHEMATICAL SOCIETY.
56,
4
(2019)
A mathematical model for the 3d location estimation of 2D echocardiography data.
APPLIED MATHEMATICS LETTERS.
88,
1
(2018)
Improved clustering with firefly-optimization-based mobile data collector for wireless sensor networks.
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS.
97,
1
(2018)
A STOCHASTIC VARIANCE REDUCTION METHOD FOR PCA BY AN EXACT PENALTY APPROACH.
BULLETIN OF THE KOREAN MATHEMATICAL SOCIETY.
55,
4
(2018)
An l(q) - Seminorm Variational Model for Impulse Noise Reduction.
EAST ASIAN JOURNAL ON APPLIED MATHEMATICS.
8,
3
(2018)
ITERATIVE REWEIGHTED ALGORITHM FOR NON-CONVEX POISSONIAN IMAGE RESTORATION MODEL.
JOURNAL OF THE KOREAN MATHEMATICAL SOCIETY.
55,
3
(2018)
A study on the 3D position estimation of ventricular borders extracted from 2D echocardiography data.
COMPUTERS & MATHEMATICS WITH APPLICATIONS.
75,
4
Honors / Awards
Academic Subcommittee for Optimization and Mathematical Programming of the Korean Society for Industrial and Applied Mathematics (2013-2020)
TJ Park Science Fellowship of POSCO TJ Park Foundation, October 2013.
Conference Paper
(2020)
Prediction of Energy Demand in Smart Grid using Hybrid Approach.
2020 Fourth International Conference on Computing Methodologies and Communication.
INDIA
(2019)
Demand and supply management for smart grid with supervised learning-based deep neural network.
International Congress on Industrial and Applied Mathematics (ICIAM 2019).
SPAIN
(2019)
Probabilistic K-means with Sparsity.
2019 Joint Conference of AORC-IRCTMT-IDEaS International Conference on Matrix Theory and Applications: Combinatorics, Optimization, Data Analysis.
KOREA, REPUBLIC OF
(2018)
A coordinate descent homotopy method for linearly constrained nonsmooth convex minimization.
2018 China-Korea Internation Conference on Matrix Theory with Applications.
CHINA
(2018)
Short-Term Energy Load Forecasting Using Neural Networks in Smart Grid.
KSIAM 2018 Annual Meeting.
KOREA, REPUBLIC OF
(2018)
An Improved Clustering with Particle Swarm Optimization-based Mobile Sink for Wireless Sensor Networks.
International Conference on Trends in Electronics and Informatics (ICOEI 2018).
INDIA
(2017)
An Efficient Clustering with Sensing Radius Adjustment in Wireless Sensor Networks.
2017 KSIAM Annual Meeting.
KOREA, REPUBLIC OF
(2016)
Coordinate Gradient Descent Methods and Incremental Gradient Methods for Regularized Optimization.
2016 China-Korea International Conference
on Matrix Theory with Applications.
CHINA
(2016)
Coordinate Descent and Incremental Method for Regularized Minimization.
International Conference for KMS 70th Anniversary(2016 KMS Annual Meeting).
KOREA, REPUBLIC OF
(2016)
Incremental gradient method for Karcher mean on symmetric cones.
International Conference for KMS 70th Anniversary (2016 KMS Annual Meeting).
KOREA, REPUBLIC OF
(2016)
A coordinate descent homotopy method for bi-level problem and linearly constrained minimization.
The Fifth International Conference on Continuous Optimization.
JAPAN
(2016)
Incremental gradient method for Karcher mean on symmetric cones.
The Fifth International Conference on Continuous Optimization.
JAPAN
(2016)
A MEMORY EFFICIENT INCREMENTAL GRADIENT METHOD FOR NONSMOOTH OPTIMIZATION.
2016년 한국산업응용수학회 봄학술대회.
KOREA, REPUBLIC OF
(2016)
An incremental gradient method with memory efficiency.
2016 대한수학회 봄 연구발표회.
KOREA, REPUBLIC OF
(2015)
Iterative Reweighted Algorithm for Non-convex Poissoian Image Denoising Model.
UKC2015(US-Korea Conference on Science, Technology, and Entrepreneurship).
UNITED STATES
(2014)
On the convergence rate analysis of cyclic coordinate gradient descent methods.
2014 Annual Meeting of KSIAM.
KOREA, REPUBLIC OF
(2014)
On the sublinear convergence rate of coordinate descent methods.
KSIAM 2014 Spring Conference.
KOREA, REPUBLIC OF
(2014)
Proximal linearized alternating direction method for image restoration.
SIAM Conference on Imaging Science.
HONG KONG
(2013)
Incrementally updated gradient methods for nonsmooth minimization.
International Conference on Continuous Optimization 2013.
PORTUGAL
(2013)
EIT with first order TV regularization.
Proceedings of the Korean Society for Industrial and Applied Mathematics.
KOREA, REPUBLIC OF
