Affiliation: | (1) CMA, Department of Mathematics, University of Oslo, P.O. Box 1053, Blindern, 316 Oslo, Norway;(2) Norwegian School of Economics and Business Administration, Helleveien 30, 5045 Bergen, Norway;(3) Programme in Advanced Mathematics of Finance, School of Computational and Applied Mathematics, University of the Witwatersrand, Private Bag 3, Wits, 2050 Johannesburg, South Africa |