Operator Theory And Analysis Of Infinite Networks
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Operator Theory And Analysis Of Infinite Networks
Author | : Palle Jorgensen,Erin P J Pearse |
Publsiher | : World Scientific |
Total Pages | : 449 |
Release | : 2023-03-21 |
Genre | : Mathematics |
ISBN | : 9789811265532 |
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This volume considers resistance networks: large graphs which are connected, undirected, and weighted. Such networks provide a discrete model for physical processes in inhomogeneous media, including heat flow through perforated or porous media. These graphs also arise in data science, e.g., considering geometrizations of datasets, statistical inference, or the propagation of memes through social networks. Indeed, network analysis plays a crucial role in many other areas of data science and engineering. In these models, the weights on the edges may be understood as conductances, or as a measure of similarity. Resistance networks also arise in probability, as they correspond to a broad class of Markov chains.The present volume takes the nonstandard approach of analyzing resistance networks from the point of view of Hilbert space theory, where the inner product is defined in terms of Dirichlet energy. The resulting viewpoint emphasizes orthogonality over convexity and provides new insights into the connections between harmonic functions, operators, and boundary theory. Novel applications to mathematical physics are given, especially in regard to the question of self-adjointness of unbounded operators.New topics are covered in a host of areas accessible to multiple audiences, at both beginning and more advanced levels. This is accomplished by directly linking diverse applied questions to such key areas of mathematics as functional analysis, operator theory, harmonic analysis, optimization, approximation theory, and probability theory.
Operator Theory and Analysis of Infinite Networks
Author | : Palle E. T. Jørgensen,Erin P. J. Pearse |
Publsiher | : World Scientific Publishing Company |
Total Pages | : 0 |
Release | : 2023 |
Genre | : Hilbert space |
ISBN | : 9811265518 |
Download Operator Theory and Analysis of Infinite Networks Book in PDF, Epub and Kindle
This volume considers resistance networks: large graphs which are connected, undirected, and weighted. Such networks provide a discrete model for physical processes in inhomogeneous media, including heat flow through perforated or porous media. These graphs also arise in data science, e.g., considering geometrizations of datasets, statistical inference, or the propagation of memes through social networks. Indeed, network analysis plays a crucial role in many other areas of data science and engineering. In these models, the weights on the edges may be understood as conductances, or as a measure of similarity. Resistance networks also arise in probability, as they correspond to a broad class of Markov chains. The present volume takes the nonstandard approach of analyzing resistance networks from the point of view of Hilbert space theory, where the inner product is defined in terms of Dirichlet energy. The resulting viewpoint emphasizes orthogonality over convexity and provides new insights into the connections between harmonic functions, operators, and boundary theory. Novel applications to mathematical physics are given, especially in regard to the question of self-adjointness of unbounded operators. New topics are covered in a host of areas accessible to multiple audiences, at both beginning and more advanced levels. This is accomplished by directly linking diverse applied questions to such key areas of mathematics as functional analysis, operator theory, harmonic analysis, optimization, approximation theory, and probability theory.
Potential Theory on Infinite Networks
Author | : Paolo M. Soardi |
Publsiher | : Springer |
Total Pages | : 199 |
Release | : 2006-11-15 |
Genre | : Mathematics |
ISBN | : 9783540487982 |
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The aim of the book is to give a unified approach to new developments in discrete potential theory and infinite network theory. The author confines himself to the finite energy case, but this does not result in loss of complexity. On the contrary, the functional analytic machinery may be used in analogy with potential theory on Riemann manifolds. The book is intended for researchers with interdisciplinary interests in one of the following fields: Markov chains, combinatorial graph theory, network theory, Dirichlet spaces, potential theory, abstract harmonic analysis, theory of boundaries.
Infinite Electrical Networks
Author | : Armen H. Zemanian |
Publsiher | : Cambridge University Press |
Total Pages | : 328 |
Release | : 1991-11-29 |
Genre | : Mathematics |
ISBN | : 9780521401531 |
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This book presents the salient features of the general theory of infinite electrical networks in a coherent exposition.
Potential Theory on Infinite Networks
![Potential Theory on Infinite Networks](https://youbookinc.com/wp-content/uploads/2024/06/cover.jpg)
Author | : Paolo Maurizio Soardi |
Publsiher | : Springer Verlag |
Total Pages | : 187 |
Release | : 1994-01-01 |
Genre | : Mathematics |
ISBN | : OCLC:36786229 |
Download Potential Theory on Infinite Networks Book in PDF, Epub and Kindle
The aim of the book is to give a unified approach to new developments in discrete potential theory and infinite network theory. The author confines himself to the finite energy case, but this does not result in loss of complexity. On the contrary, the functional analytic machinery may be used in analogy with potential theory on Riemann manifolds.The book is intended for researchers with interdisciplinary interests in one of the following fields: Markov chains, combinatorial graph theory, network theory, Dirichlet spaces, potential theory, abstract harmonic analysis, theory of boundaries.
Harmonic Functions and Potentials on Finite or Infinite Networks
Author | : Victor Anandam |
Publsiher | : Springer |
Total Pages | : 141 |
Release | : 2011-06-29 |
Genre | : Mathematics |
ISBN | : 3642213987 |
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Random walks, Markov chains and electrical networks serve as an introduction to the study of real-valued functions on finite or infinite graphs, with appropriate interpretations using probability theory and current-voltage laws. The relation between this type of function theory and the (Newton) potential theory on the Euclidean spaces is well-established. The latter theory has been variously generalized, one example being the axiomatic potential theory on locally compact spaces developed by Brelot, with later ramifications from Bauer, Constantinescu and Cornea. A network is a graph with edge-weights that need not be symmetric. This book presents an autonomous theory of harmonic functions and potentials defined on a finite or infinite network, on the lines of axiomatic potential theory. Random walks and electrical networks are important sources for the advancement of the theory.
The Mathematics of Finite Networks
Author | : Michael Rudolph |
Publsiher | : Cambridge University Press |
Total Pages | : 135 |
Release | : 2022-05-12 |
Genre | : Computers |
ISBN | : 9781009287838 |
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Since the early eighteenth century, the theory of networks and graphs has matured into an indispensable tool for describing countless real-world phenomena. However, the study of large-scale features of a network often requires unrealistic limits, such as taking the network size to infinity or assuming a continuum. These asymptotic and analytic approaches can significantly diverge from real or simulated networks when applied at the finite scales of real-world applications. This book offers an approach to overcoming these limitations by introducing operator graph theory, an exact, non-asymptotic set of tools combining graph theory with operator calculus. The book is intended for mathematicians, physicists, and other scientists interested in discrete finite systems and their graph-theoretical description, and in delineating the abstract algebraic structures that characterise such systems. All the necessary background on graph theory and operator calculus is included for readers to understand the potential applications of operator graph theory.
Random Walks Boundaries and Spectra
Author | : Daniel Lenz,Florian Sobieczky,Wolfgang Woess |
Publsiher | : Springer Science & Business Media |
Total Pages | : 345 |
Release | : 2011-06-16 |
Genre | : Mathematics |
ISBN | : 9783034602440 |
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These proceedings represent the current state of research on the topics 'boundary theory' and 'spectral and probability theory' of random walks on infinite graphs. They are the result of the two workshops held in Styria (Graz and St. Kathrein am Offenegg, Austria) between June 29th and July 5th, 2009. Many of the participants joined both meetings. Even though the perspectives range from very different fields of mathematics, they all contribute with important results to the same wonderful topic from structure theory, which, by extending a quotation of Laurent Saloff-Coste, could be described by 'exploration of groups by random processes'.