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I am currently doing my post doctoral research in computational biology at the Computing Laboratory at University of Oxford.
Contact: ishani dot roy at comlab.ox.ac.uk



Research interests

High order numerical methods for conservation laws such as finite difference essentially non-oscillatory (ENO) and Weighted ENO methods, finite element discontinuous Galerkin methods, spectral methods and computational cosmology.

Advisor: Professor Chi-Wang Shu.
Curriculum Vitae

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List of publications

1. Resonant Scattering and Ly\alpha Radiation Emergent from Neutral Hydrogen Halos, I. Roy, C. W. Shu, L. Z. Fang, to appear in The Astrphysical Journal

2. Wouthuysen-Field coupling in 21 cm region around high redshift sources, I. Roy, W. Xu, J.-M. Qiu, C.-W. Shu and L.-Z. Fang, Astrophysical Journal 703 pp 1992-2003 (2009)

3. Time Evolution of Wouthuysen-Field coupling , I. Roy, W. Xu, J.-M. Qiu, C.-W. Shu and L.-Z. Fang, Astrophysical Journal 694 pp 1121-1130 (2009)

4. A WENO algorithm for radiative transfer with resonant scattering: the time scale of the Wouthuysen-Field Coupling , I. Roy, J.-M. Qiu, C.-W. Shu and L.-Z. Fang, New Astronomy 14 pp 513-520(2009)

5. Comparative Study of Different Discretizations of the $\phi^4$ Model I. Roy, S. Dmitriev, P. G. Kevrekidis, A. Saxena, Phys. Rev. E 76, 026601 (2007)

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Colloquium

Colloquium on Challenges of Mathematical Modeling and Numerical Computation in Finance

September 3rd and 4th 2009
Division of Applied Mathematics

Funded by the Office of International Affairs at Brown University

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Other interest
Hiking,Travel,Kathak

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