I am a Mathematics Professor at Osaka Metropolitan University, specializing in Number Theory.
I am also a Visiting Professor of the University of Oklahoma for large parts of 2026 and 2027.

Brief history:

• PhD (2004): Caltech, under Dinakar Ramakrishnan
• Postdocs: Columbia University and Osaka City University (now Osaka Metropolitan University)
• University of Oklahoma - Professor (until 2025)
• Osaka Metropolitan University - Professor (since 2025)
  Joint appointments in the International Research and Education Center (IREC) and the Department of Mathematics, both within the Graduate School of Science

Osaka Metropolitan University coordinates:
E411 Science Building E, Sugimoto Campus
kimball@omu.ac.jp

University of Oklahoma coordinates:
1112 Physical Sciences Center, Norman Campus
kimball.martin@ou.edu

Fri Jan 9 15:08:44 JST 2026