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Connecticut College

Department of Mathematics


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Teaching

Research

Publications: Sanjeeva Balasuriya


In progress

Balasuriya, S. and Finn, M.D.   Energy constrained mixing maximization across a fluid interface, submitted.

Balasuriya, S.   Explicit invariant manifolds and hyperbolic trajectories in a class of unsteady flows, submitted.

Balasuriya, S. and Padberg-Gehle, K.   Controlling the unsteady analogue of saddle stagnation points, in preparation.

Balasuriya, S., Froyland, G. and Santitissadeekorn, N.   Absolute flux optimising curves on a surface, submitted.

Balasuriya, S.   Non-autonomous control of stable and unstable manifolds, in preparation.

Balasuriya, S.   Effect of time-lagged biological effects on invasion speeds, in preparation.


Published research articles

Balasuriya, S.   A tangential displacement theory for locating perturbed saddles and their manifolds, SIAM Journal on Applied Dynamical Systems 10, 1100-1126 (2011).

Balasuriya, S.   Invasions with density-dependent ecological parameters, Journal of Theoretical Biology 266, 657-666 (2010). pdf

Balasuriya, S.   Optimal frequency for microfluidic mixing across a fluid interface, Physical Review Letters 105, 064501 (2010). pdf

Balasuriya, S. and Gottwald, G.A.   Wavespeed in reaction-diffusion systems, with applications to chemotaxis and population pressure, Journal of Mathematical Biology 61, 377-399 (2010). pdf

Balasuriya, S.   Species spreading due to environmental hostility, dispersal adaptation and Allee effects, Proceedings of the International Conference on Mathematical Biology and Ecology (World Academy of Science, Engineering and Technology) 65, 833-839 (Tokyo, Japan, 2010). online journal

Balasuriya, S. and Volpert, V.A.   Wavespeed analysis: approximating Arrhenius kinetics with step-function kinetics, Combustion Theory and Modelling 12, 643-670 (2008). pdf

Balasuriya, S. Separatrix splitting under high-frequency non-smooth perturbations, Dynamics of Continuous, Discrete and Impulsive Systems, Series A -- Mathematical Analysis 14, 333-343 (2007).

Balasuriya, S., Gottwald, G.A., Hornibrook, J. and Lafortune, S.   High Lewis number combustion wavefronts: a perturbative Melnikov analysis, SIAM Journal on Applied Mathematics 67, 464-486 (2007). pdf

Balasuriya, S. Cross-separatrix flux in time-aperiodic and time-impulsive flows, Nonlinearity 19, 2775-2795 (2006). pdf

Balasuriya, S. Approach for maximizing chaotic mixing in micro-fluidic devices, Physics of Fluids 17, Art. 118103 (2005). pdf
[Also selected for compilation in Virtual Journal of Nanoscale Science and Technology 12, Issue 22 (November 28, 2005)]

Balasuriya, S. Direct chaotic flux quantification in perturbed planar flows: general time-periodicity, SIAM Journal on Applied Dynamical Systems 4, 282-311 (2005). pdf

Balasuriya, S. Optimal perturbation for enhanced chaotic transport, Physica D 202, 155-176 (2005).

Balasuriya, S. An analytical study of general hyper-diffusivity and barotropic eddies, Geophysical and Astrophysical Fluid Dynamics 98, 39-62 (2004). pdf   [Top 10 Downloads from GAFD ]

Balasuriya, S., Mezic, I. and Jones, C.K.R.T.   Weak finite-time Melnikov theory and 3-D viscous perturbations of Euler flows, Physica D 176, 82-106 (2003).

Balasuriya, S. Gradient evolution for potential vorticity flows, Nonlinear Processes in Geophysics 8, 253-263 (2001). pdf

Balasuriya, S. and Jones, C.K.R.T.   Diffusive draining and growth of eddies, Nonlinear Processes in Geophysics 8, 241-251 (2001). pdf

Sandstede, B., Balasuriya, S., Jones, C.K.R.T. and Miller, P.D.   Melnikov theory for finite-time vector fields, Nonlinearity 13, 1357-1377 (2000). pdf

Balasuriya, S. Lifetime and illness in almost deterministic maps, Journal of Mathematical Analysis and Applications 235, 274-294 (1999). pdf

Balasuriya, S., Jones, C.K.R.T. and Sandstede, B.   Viscous perturbations of vorticity-conserving flows and separatrix splitting, Nonlinearity 11, 47-77 (1998). pdf

Balasuriya, S. Vanishing viscosity in the barotropic beta-plane, Journal of Mathematical Analysis and Applications 214, 128-150 (1997). pdf


Education-related

Balasuriya, S. Teaching time-savers: reacting to analysis, MAA Focus (newsmagazine of the Mathematical Association of America) 28, 4: 8--9 (April 2008).   [Link to magazine ]

Balasuriya, S. Planar Coordinate Geometry, iv+143pp, 209 problems, ISBN 955-96996-0-X (Sampath Printing Industries, Kadugannawa, Sri Lanka, 1998).



For request of preprints or reprints which are not available for downloading from this page, please email Sanjeeva Balasuriya.