The De Gruyter Series in Probability and Stochastics is devoted to the publication of high-level monographs and specialized graduate texts in any branch of modern probability theory and stochastics, along with their numerous applications in other parts of mathematics, physics and informatics, in economics and finance, and in the life sciences. The aim of the series is to present recent research results in the form of authoritative and comprehensive works that will serve the probability and stochastics community as basis for further research. Each volume undergoes peer review using a double-blind reviewing process. Reviewers are asked to judge the validity, significance, and originality of the work. Series editor(s) assess comments and make necessary recommendations to the author. Editors Itai Benjamini, Weizmann Institute of Science, Rehovot, IsraelJean Bertoin, Universität Zürich, SwitzerlandMichel Ledoux, Université de Toulouse, FranceRené L. Schilling, Technische Universität Dresden, Germany