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Record Nr. |
UNISALENTO991003264329707536 |
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Autore |
Kumagai, Takashi |
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Titolo |
Random walks on disordered media and their scaling limits [e-book] : École d'Été de Probabilités de Saint-Flour XL - 2010 / Takashi Kumagai |
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Pubbl/distr/stampa |
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Cham [Switzerland] : Springer, c2014 |
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ISBN |
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Descrizione fisica |
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1 online resource (x, 147 pages) |
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Collana |
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Lecture Notes in Mathematics, 1617-9692 ; 2101 |
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Classificazione |
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AMS 60G50 |
AMS 05C81 |
AMS 31C20 |
AMS 35K08 |
LC QA274.73 |
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Disciplina |
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Soggetti |
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Random walks |
Potential theory (Mathematics) |
Distribution (Probability theory) |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references (pages 135-143) and index |
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Nota di contenuto |
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Introduction ; Weighted graphs and the associated Markov chains ; Heat kernel estimates general theory ; Heat kernel estimates using effective resistance ; Heat kernel estimates for random weighted graphs ; Alexander-Orbach conjecture holds when two-point functions behave nicely ; Further results for random walk on IIC ; Random conductance model |
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Sommario/riassunto |
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In these lecture notes, we will analyze the behavior of random walk on disordered mediaby means ofboth probabilistic and analytic methods, and will study the scalinglimits. We will focus on the discrete potential theory and how the theory is effectively used in the analysis of disordered media.Thefirst few chapters of the notes can be used as an introduction to discrete potential theory. Recently, there has beensignificantprogress on thetheoryof random walkon disordered media such as fractals and random media.Random walk on a percolation cluster('the ant in the labyrinth')is one of the typical examples. In 1986, H. Kesten showedtheanomalous behavior of a random walk on a percolation cluster at critical probability. Partly |
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