Stochastic Flows in the Brownian Web and Net is popular PDF and ePub book, written by Emmanuel Schertzer in 2014-01-08, it is a fantastic choice for those who relish reading online the Mathematics genre. Let's immerse ourselves in this engaging Mathematics book by exploring the summary and details provided below. Remember, Stochastic Flows in the Brownian Web and Net can be Read Online from any device for your convenience.
Stochastic Flows in the Brownian Web and Net Book PDF Summary
It is known that certain one-dimensional nearest-neighbor random walks in i.i.d. random space-time environments have diffusive scaling limits. Here, in the continuum limit, the random environment is represented by a `stochastic flow of kernels', which is a collection of random kernels that can be loosely interpreted as the transition probabilities of a Markov process in a random environment. The theory of stochastic flows of kernels was first developed by Le Jan and Raimond, who showed that each such flow is characterized by its -point motions. The authors' work focuses on a class of stochastic flows of kernels with Brownian -point motions which, after their inventors, will be called Howitt-Warren flows. The authors' main result gives a graphical construction of general Howitt-Warren flows, where the underlying random environment takes on the form of a suitably marked Brownian web. This extends earlier work of Howitt and Warren who showed that a special case, the so-called "erosion flow", can be constructed from two coupled "sticky Brownian webs". The authors' construction for general Howitt-Warren flows is based on a Poisson marking procedure developed by Newman, Ravishankar and Schertzer for the Brownian web. Alternatively, the authors show that a special subclass of the Howitt-Warren flows can be constructed as random flows of mass in a Brownian net, introduced by Sun and Swart. Using these constructions, the authors prove some new results for the Howitt-Warren flows.
Detail Book of Stochastic Flows in the Brownian Web and Net PDF
- Author : Emmanuel Schertzer
- Release : 08 January 2014
- Publisher : American Mathematical Soc.
- ISBN : 9780821890882
- Genre : Mathematics
- Total Page : 160 pages
- Language : English
- PDF File Size : 11,7 Mb
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