Koolen J.hendricus
Professor
School of Mathematics
University of Science and Technology of China
China
Biography
Dr. Koolen J. Hendricus received his Ph.D in Mathematics from Eindhoven University of Technology. Currently, he is the Professor in the Department of Mathematics of University of Science and Technology of China.
Research Interest
Algebraic Combinatorics Spectral Graph Theory Geometric Combinatorics
Publications
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Koolen, Jack H.; Park, Jongyook A note on distance-regular graphs with a small number of vertices compared to the valency. European J. Combin. 34 (2013), no. 6, 935-940.
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Cioabă, Sebastian M.; Koolen, Jack H. On the connectedness of the complement of a ball in distance-regular graphs. J. Algebraic Combin. 38 (2013), no. 1, 191-195.
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Jang, Hye Jin; Koolen, Jack; Munemasa, Akihiro; Taniguchi, Tetsuji On fat Hoffman graphs with smallest eigenvalue at least −3−3. Ars Math. Contemp. 7 (2014), no. 1, 105-121.
