picture Knot theory, 3-manifold topology and their applications to DNA topology.
Dehn surgery on knots, boundary slopes, character variety, tangle analysis of site-specific recombinations, lattice knots, etc.
My google scholar author page ResearchGate page

Recent Activities

The paper "FtsK-dependent XerCD-dif recombination unlinks replication catenanes in a stepwise manner" is published in Proc. Natl. Acad. Sci. U S A online before print on November 11, 2013.


Department of Mathematics, Saitama University
255 Shimo-Okubo, Sakura-ku
Saitama, 338-8570, Japan
e-mail : kshimoka (-at-)