Institution: | 1. Institute of Mathematics, University of Warsaw, ul. Banacha 2, 02-097 Warszawa, Poland;2. Faculty of Pure and Applied Mathematics, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland;1. University of Warwick, Department of Statistics, Coventry, CV4 7AL, UK;2. Carnegie Mellon University, Department of Mathematical Sciences, 5000 Forbes Avenue, Pittsburgh, PA 15213, USA |