Institution: | (1) Department of Applied Mathematics and Physics, Graduate School of Engineering, Kyoto University, Kyoto, 606-01, Japan;(2) Department of Electrical and Computer Engineering, McMaster University, Hamilton, Ont., Canada, L8S 4K1;(3) Department of Mathematical Sciences, Whiting School of Engineering, The Johns Hopkins University, Baltimore, MD, 21218-2682, U.S.A. |