Parts of this site are written in Unicode and may or may not display properly, for example 大変ですね. I always welcome constructive feedback and suggestions on this site and on my work -- please feel free to write to me at the e-mail address given below.
Sometimes I go by "Ken" or "賢"
Curriculum vitae is in part available here. A full version is available in English and Japanese only upon written request
Japanese-English mathematics dictionary .pdf (with Shigeru Mizushima, although all mistakes are my own). Work in progress
[1] Tightness and computing distances in the curve complex pdf (submitted)
[2] An obstruction to the strong relative hyperbolicity of a group (with J. W. Anderson and J. Aramayona) pdf, J. Group Theory 10 No. 6 (2007) 749-756
[3] Combinatorial rigidity in curve complexes and mapping class groups pdf (correction), Pacific J. Math. 230 vol. 1 (March 2007) 217-232
[4] Uniformly exponential growth and mapping class groups of surfaces (with J. W. Anderson and J. Aramayona) pdf, Contemp. Math. 432 Amer. Math. Soc. (2007)
[5] An acylindricity theorem for the mapping class group pdf (submitted)
[6] On the distance between two Seifert surfaces of a knot (with M. Sakuma) pdf, Osaka J. Math. 46 No. 1 (March 2009) 203-221
[7] Totally geodesic subgraphs of the pants complex (with J. Aramayona and H. Parlier) pdf, Math. Res. Lett. 15 No. 2 (March 2008) 309-320
[8] Constructing convex planes in the pants complex (with J. Aramayona and H. Parlier) pdf, Proc. Amer. Math. Soc. 137 (June 2009) 3523-3531
[9] Computing distances in two pants complexes pdf (submitted)
[10] Geodesic axes in the pants complex of the five-holed sphere pdf (submitted) talk
Preprints arXiv: Southampton mirror, eprintweb
My PhD thesis was supervised by Brian Bowditch (a.k.a. 弓溝先生). At The Queen's College, University of Oxford, I read mathematics for four years
MathJobs.com, job listings in Mathematics
Version Tracker, with downloads and updates for Mac software
Cyberduck, an open source SFTP browser
Emacs, a standard text editor
Fink, porting Unix programs
Firefox, an internet browser
Fugu, an sftp application with a handy user interface
Fujitsu fi-5110E0X2 Scansnap driver
Goban, a go engine by Sen:te
i-installer
JFig
MacTex
NeoOffice, an open-source word processing package
PDFPen, edit .pdf files
Sigma Chess, a chess engine by Sigma GameWare
TeXShop, a TeX previewer using pdftex and pdflatex
Last modified September 2009. The views expressed on this page are not necessarily held by the University of Tokyo/IPMU