Random Walks and Physical Fields
Springer International Publishing (Verlag)
978-3-031-57922-6 (ISBN)
This book presents fundamental relations between random walks on graphs and field theories of mathematical physics. Such relations have been explored for several decades and remain a rapidly developing research area in probability theory.
The main objects of study include Markov loops, spanning forests, random holonomies, and covers, and the purpose of the book is to investigate their relations to Bose fields, Fermi fields, and gauge fields. The book starts with a review of some basic notions of Markovian potential theory in the simple context of a finite or countable graph, followed by several chapters dedicated to the study of loop ensembles and related statistical physical models. Then, spanning trees and Fermi fields are introduced and related to loop ensembles. Next, the focus turns to topological properties of loops and graphs, with the introduction of connections on a graph, loop holonomies, and Yang-Mills measure. Among the main results presented is an intertwining relation between merge-and-split generators on loop ensembles and Casimir operators on connections, and the key reflection positivity property for the fields under consideration.
Aimed at researchers and graduate students in probability and mathematical physics, this concise monograph is essentially self-contained. Familiarity with basic notions of probability, Poisson point processes, and discrete Markov chains are assumed of the reader.
Yves Le Jan is a French mathematician working in Probability theory and Stochastic processes. In 2006 he was invited speaker at the International Congress of Mathematicians in Madrid. In 2008 he became Senior Member of the Institut Universitaire de France. In 2011 he was Doob Lecturer at the 8th World Congress in Probability and Statistics in Istanbul. In 1995 he was awarded the Poncelet Prize and in 2011 the Sophie Germain Prize of the French Academy of Sciences. He is Professor emeritus at the Orsay Institute of Mathematics of Université Paris-Saclay and since 2021 visiting Professor at NYUAD.
1 Markov Chains and Potential Theory on Graphs.- 2 Loop Measures.- 3 Decompositions, Traces and Excursions.- 4 Occupation Fields.- 5 Primitive Loops, Loop Clusters, and Loop Percolation.- 6 The Gaussian Free Field.- 7 Networks, Ising Model, Flows, and Configurations.- 8 Loop Erasure, Spanning Trees and Combinatorial Maps.- 9 Fock Spaces, Fermi Fields, and Applications.- 10 Groups and Covers.- 11 Holonomies and Gauge Fields.- 12 Reflection Positivity and Physical Space.
| Erscheinungsdatum | 02.07.2024 |
|---|---|
| Reihe/Serie | Probability Theory and Stochastic Modelling |
| Zusatzinfo | XIII, 184 p. 7 illus. |
| Verlagsort | Cham |
| Sprache | englisch |
| Maße | 155 x 235 mm |
| Themenwelt | Mathematik / Informatik ► Mathematik ► Wahrscheinlichkeit / Kombinatorik |
| Schlagworte | Bose field • Casimir Operator • connections • Fermi fields • Fock spaces • Free field • Graphs • Ising Model • Local times and free field • Markov loop measures • Markov loops spanning trees • Random holonomies • Reflection positivity • spanning trees |
| ISBN-10 | 3-031-57922-4 / 3031579224 |
| ISBN-13 | 978-3-031-57922-6 / 9783031579226 |
| Zustand | Neuware |
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