Short-Time Geometry of Random Heat Kernels

Short-Time Geometry of Random Heat Kernels
Author :
Publisher : American Mathematical Soc.
Total Pages : 145
Release :
ISBN-10 : 9780821806494
ISBN-13 : 0821806491
Rating : 4/5 (491 Downloads)

Book Synopsis Short-Time Geometry of Random Heat Kernels by : Richard Bucher Sowers

Download or read book Short-Time Geometry of Random Heat Kernels written by Richard Bucher Sowers and published by American Mathematical Soc.. This book was released on 1998 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume studies the behaviour of a random heat kernel associated with a stochastic partial differential equation, and gives short-time expansion of this heat kernel. The author finds that the dominant exponential term is classical and depends only on the Riemannian distance function. The second exponential term is a work term and also has classical meaning. There is also a third non-negligible exponential term which blows up. The author finds an expression for this third exponential term which involves a random translation of the index form and the equations of Jacobi fields. In the process, he develops a method to approximate the heat kernel to any arbitrary degree of precision.


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