Forbidden structures of circular-arc graphs and their algorithmic applications, PolyU, 09/2015--08/2017
Theoretical analysis of heuristics in big data, NLSDE, 07/2016–07/2018.
Efficient algorithms for graph modification problems, RGC, 01/2016–12/2018.
Combinatorial and algorithmic studies on cycles, NSFC, 01/2016–12/2019.
Graph algorithms based on modular decomposition, RGC, 01/2017–12/2019.
Super-polynomial approximation of graph problems, RGC, 01/2018–12/2020.
Algorithmic study on chordal and related graphs, NSFC, 01/2020–12/2023.
Approximation algorithms for phylogenetic networks, RGC, 01/2021–12/2023.
(Parameterized) complexity of graph edge editing problems, NSFC, 01/2024–12/2027.
News
May 2026, papers "Feedback set problems on (planar) graphs of bounded degrees" and "Minimum sum set cover: Structures and algorithm" accepted by COCOON 2026.
April 2026, paper "Partial interval multicover: Approximation and complexity" accepted by Theoretical Computer Science.
July 2025, the Java implementation of our certifying recognition algorithm for interval graphs released here.
July 2025, paper "On well (edge) dominated and equimatchable strong product graphs" accepted by Discrete Mathematics.
June 2025, paper "Minimum sum vertex cover: Difficulty of ordering" accepted by Theoretical Computer Science.
April 2025, Tomasz Krawczyk visits us from Warsaw University of Technology.
August 2024, visit Jagiellonian University (Uniwersytet Jagielloński) and Warsaw University of Technology.
June 2024, paper "Modification problems toward proper (Helly) circular-arc graphs" accepted by Information and Computation.
June 2024, paper "Switching classes: characterization and computation" accepted by MFCS 2024.
May 2024, paper "Minimum sum vertex cover: kernelization and parameterized algorithms" accepted by COCOON 2024.
May 2024, Jing Huang visits us from the University of Victoria.
May 2024, paper "Combinatorial approximations for cluster deletion: simpler, faster, and better" accepted by ICML 2024.
April 2024, Tomasz Krawczyk visits us from Warsaw University of Technology.
December 2023, paper "Self-complementary (pseudo-)split graphs" accepted by LATIN 2024.
August 2023, visit Jagiellonian University (Uniwersytet Jagielloński).
June 2023, paper "Modification problems toward proper (Helly) circular-arc graphs" accepted by MFCS 2023.
June 2023, paper "Enumerating maximal induced subgraphs" accepted by ESA 2023.
August 2023, visit University of Electronic Science and Technology of China.
May 2023, Miss Ying Xu joined our group.
Apr. 2022, paper "Graph searches and their end vertices" accepted by Algorithmica.
Apr. 2022, paper "(Sub)linear kernels for edge modification problems toward structured graph classes" accepted by Algorithmica.
Jan. 2022, paper "A 5k-vertex kernel for P2-packing" accepted by Theoretical Computer Science.
Dec. 2021, Mr. Haowei Chen joined our group.
Oct. 2021, paper "A polynomial kernel for diamond-free editing" accepted by Algorithmica.
Aug. 2021, paper "Polynomial kernels for paw-free edge modification problems" accepted by Theoretical Computer Science.
July 2021, paper "Improved kernels for edge modification problems" accepted by IPEC'21.
July 2021, paper "End vertices of graph searches on bipartite graphs" accepted by Information Processing Letters.
May 2021, to co-orginize a minisymposium on "Algorithms for interval graphs and related families" at CanaDAM 2021.
Apr. 2021, paper "Complementation in t-perfect graphs" accepted by WG'21.
Oct. 2020, paper "Recognizing (unit) interval graphs by zigzag graph searches" accepted by SOSA'21.
Aug. 2020, taught the CCF Summer School on algrothmic graph theory.
Apr. 2020, paper "Characterization and linear-time recognition of paired threshold graphs" accepted by WG'20.
Feb. 2020, paper "Polynomial kernels for paw-free edge modification problems" accepted by TAMC'20.
Dec. 2019, paper "Minimum fill-in: Inapproximability and almost tight lower bounds" accepted by Information and Computation.