George H. Weiss

Mathematical & Statistical Computing Laboratory Division of Computational Bioscience Center for Information Technology National Institutes of Health 12 South Drive, Bldg. 12A Room 2007 Bethesda, MD 20892, USA Tel.: (301) 496-1136 e-mail: ghw@helix.nih.gov

General Information

Interests: Applied probability, Statistical Physics, Random walks

Research Projects

Development of mathematical techniques to interpret results from optical imaging techniques. These are based on random walk or diffusion models.

Development of models for electrophoretic peak shapes as a function of different experimentally manipulable design parameters.

Optimization of NMR experiments with chemical and clinical applications.

Selected Books

• Weiss, G.H.: Aspects and Applications of the Random Walk, North Holland Press, Amsterdam (1994).

• Weiss, G.H.: editor: Contemporary Problems in Statistical Physics, SIAM, Philadelphia (1994).

• Shmueli, U. and Weiss, G.H.: Introduction to Crystallographic Statistics, Oxford Univ. Press (1995).

Selected Publications (DCB Publications List)

• Boguna, M., Berezhkovskii, A.M., Weiss, G.H.: Residence time densities for non-Markovian systems. 1. The two-state system. Physica A 282: 475-485 (2000).

• Boguna, M., Weiss, G.H.: Residence time densities for non-Markovian systems. 2. The N-state system. Physica A 282: 486-494 (2000).

• Weiss, G.H.: Some applications of persistent random walks and the telegrapher's equation. Physica A 311: 381-410 (2002).

• Dagdug, L., Berezhkovskii, A.M., Weiss, G.H.: The number of distinct sites visited by a random walker trapped by an absorbing boundary. Phys. Rev. E 66 012901 1-4 (2002). Also in Virtual Journal of Biological Physics.

• Larralde, H., Weiss, G.H.: Expected number of distinct sites visited by N random walks in the presence of an absorbing boundary. J. Phys. A 36: 8367-8372 (2003).

• Dudko, O.K., Weiss, G.H., Chernomordik, V., Gandjbakhche: Photon migration in turbid media with anisotropic optical properties. Phys. in Med. and Biol. 49 3979-3989 (2004).

• Boguna, M., Pajevic, S., Basser, P.J. Weiss, G.H.: A model for noise effects on fiber tract trajectories in diffusion tensor imaging: Theory and simulations. New J. Phys. 7, 24: 1-10 (2005).

• Dudko, O.K., Weiss, G.H.: Estimation of anisotropic optical parameters of tissue in a slab geometry. Biophys. J. 88 3205-3211 (2005).

Contact

George H. Weiss

National Institutes of Health

Building 12A, Room 2007

Bethesda, MD 20892-5620

Tel: (301) 496-1135

Fax: (301) 402-4544

e-mail: ghw@helix.nih.gov

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Last updated: August 25, 1999

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