GRAPH THEORY · TOPOLOGICAL GRAPH THEORY
Shohei Koizumi小泉 晶平
I study graph drawings and structural graph theory on closed surfaces, with a particular focus on 1-planar graphs.
CURRENT POSITION
Niigata University
Doctoral Course, Graduate School of Science and Technology
RESEARCH INTERESTS
RECENT UPDATES
News
2026.09
Updated this academic website.
2026
Presented “Spanning triangulations in plane X-mosaics” at ASIACOMB 2026.
2026
Generalized matching extension problem in regular bipartite graphs was published in Discrete Mathematics.
2026
Posted the preprint Linkage problem on optimal 1-planar graphs.
CONTACT & LINKS
Contact
Email: s-koizumi [at] m [dot] sc [dot] niigata-u [dot] ac [dot] jp