Occupation and local times for skew Brownian motion with applications to dispersion across an interface Public Deposited

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  • Advective skew dispersion is a natural Markov process defined ned by a di ffusion with drift across an interface of jump discontinuity in a piecewise constant diff usion coeffcient. In the absence of drift this process may be represented as a function of -skew Brownian motion for a uniquely determined value of = ; see Ramirez, Thomann, Waymire, Haggerty and Wood (2006). In the present paper the analysis is extended to the case of non-zero drift. A determination of the (joint) distributions of key functionals of standard skew Brownian motion together with some associated probabilistic semigroup and local time theory is given for these purposes. An application to the dispersion of a solute concentration across an interface is provided that explains certain symmetries and asymmetries in recently reported laboratory experiments conducted at Lawrence-Livermore Berkeley Labs by Berkowitz, Cortis, Dror and Scher (2009).
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  • T. A. Appuhamillage, V. A. Bokil, E. Thomann, E. Waymire and B. Wood, Occupation and Local Times for Skew Brownian Motion with Applications to Dispersion Across an Interface, Annals of Applied Probability, accepted, to appear, 2010
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  • description.provenance : Submitted by Sue Kunda (sue.kunda@oregonstate.edu) on 2010-05-25T17:57:31Z No. of bitstreams: 1 SKEW_March3_ACCEPT.pdf: 313125 bytes, checksum: 1ed978b500ece77242b67c78dcbf6661 (MD5)
  • description.provenance : Made available in DSpace on 2010-05-25T17:58:05Z (GMT). No. of bitstreams: 1 SKEW_March3_ACCEPT.pdf: 313125 bytes, checksum: 1ed978b500ece77242b67c78dcbf6661 (MD5) Previous issue date: 2010
  • description.provenance : Approved for entry into archive by Sue Kunda(sue.kunda@oregonstate.edu) on 2010-05-25T17:58:05Z (GMT) No. of bitstreams: 1 SKEW_March3_ACCEPT.pdf: 313125 bytes, checksum: 1ed978b500ece77242b67c78dcbf6661 (MD5)

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