Institution: | (1) Hungarian Academy of Sciences, Alfréd Rényi Institute of Mathematics, Budapest, P.O.B. 127, H-1364, Hungary;(2) School of Mathematics and Statistics, Carleton University, Ottawa, Ontario, Canada, K1S 5B6;(3) City University of New York, 2800 Victory Blvd., Staten Island, New York, 10314;(4) Laboratoire de Probabilités UMR 7599, Université Paris VI, 4 Place Jussieu, F-75252 Paris Cedex 05, France;(5) Department of Statistical and Actuarial Sciences, The University of Western Ontario, London, Ontario, Canada, N6A 5B7 |