is a mathematician who has been working on partial differential equations and geometric analysis. Recently he is working on geometric tomography or microlocal analysis in integral geometry. In particular he is very interested in tensor tomography, which is one of the cutting edge research topics in pure mathematics. He is also interested in applied mathematics related to them including medical imaging, baggage inspection, seismology and etc.
College of Education, University of the Ryukyus, Nishihara, Okinawa 903-0213, Japan
chihara atmark edu.u-ryukyu.ac.jp