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IEICE Trans

Shun TAKAHASHI

Computational Complexity of the Chromatic Dispersive Art Gallery Problem
Chuzo IWAMOTO Shun TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2026/03/01
Vol. E109-D  No. 3  pp. 374-380
Type of Manuscript:  Special Section PAPER (Special Section on Foundations of Computer Science —Foundations and New Trends of Computation Theory—)
Category: 
Keyword: 
art galley problem, computational complexity, NP-complete, r-visibility, dispersion, polyominoes, 
 Summary | Full Text:PDF
Lower Bounds for the Thickness and the Total Number of Edge Crossings of Euclidean Minimum Weight Laman Graphs and (2,2)-Tight Graphs
Yuki KAWAKAMI Shun TAKAHASHI Kazuhisa SETO Takashi HORIYAMA Yuki KOBAYASHI Yuya HIGASHIKAWA Naoki KATOH 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2024/06/01
Vol. E107-D  No. 6  pp. 732-740
Type of Manuscript:  PAPER
Category: Fundamentals of Information Systems
Keyword: 
Laman graph, (k, ℓ)-tight graph, geometric thickness, sparse graph, k-planarity, 
 Summary | Full Text:PDF
Silicon Photonic Optical Phased Array with Integrated Phase Monitors
Shun TAKAHASHI Taichiro FUKUI Ryota TANOMURA Kento KOMATSU Yoshitaka TAGUCHI Yasuyuki OZEKI Yoshiaki NAKANO Takuo TANEMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2023/11/01
Vol. E106-C  No. 11  pp. 748-756
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
silicon photonics, optical phased arrays, optical phase monitoring, 
 Summary | Full Text:PDF