| Affiliation | |
| Rui OKAYASU | |
| Associate Professor Course for School Teacher Mathematics Education Osaka Kyoiku University Kashiwara, Osaka 582-8582 JAPAN Tel.: (+81) 72-978-3428 (my office) E-mail: rui [at] cc [dot] osaka-kyoiku [dot] ac [dot] jp | |
| Research Interest | |
| Operator Algebras | |
| Curriculum Vitae | |
| 2006.4-- 2003.4--2006.3 2003.3 2000.3 1998.3 | Associate Professor, Osaka Kyoiku University Research Associate, Osaka Kyoiku University Ph.D., Mathematics, Kyoto University (Adviser: Prof. M. Izumi) M.Sc., Mathematics, University of Tokyo (Adviser: Prof. M. Izumi, Prof. Y. Kawahigashi) B.Sc., Mathematics, Tokyo University of Science |
| Publications | |
| (List of publications from MathSciNet) [8] Relative entropy for abelian subalgebras. To appear in Internat J. Math. [7] The ratio set of the harmonic measure of a random walk on a hyperbolic group. (With M. Izumi and S. Neshveyev) Israel J. Math. 163 (2008), 285--316. [6] Perturbation theoretic entropy of the boundary actions of free groups. Proc. Amer. Math. Soc. 134 (2006), no.6, 1771--1776. [5] Gromov hyperbolic groups and the Macaev norm. Pac. J. Math. 223 (2006), no.1, 141--158. [4] C*-algebras associated with the fundamental groups of graphs of groups. Math. Scand. 97 (2005), no.1, 49--72. [3] Entropy of subshifts and the Macaev norm. J. Math. Soc. Japan. 56 (2004), no.1, 177--191. [2] Type III factors arising from Cuntz-Krieger algebras. Proc. Amer. Math. Soc. 131 (2003), no.7, 2145--2153. [1] Cuntz-Krieger-Pimsner algebras associated with amalgamated free product groups. Publ. RIMS, Kyoto Univ. 38 (2002), no.1, 147--190. | |