Greg Lewis

Associate Professor (Mathematics)

Faculty of Science, UOIT,
2000 Simcoe St. North
Oshawa, ON, Canada,L1H 7K4
Office: UA4033
Phone: (905)721-8668: ext.2608

Education & Appointments:

Associate Professor of Mathematics, UOIT, 2008-
Associate Dean, Faculty of Science, UOIT, 2013-2015
Assistant Professor of Mathematics, UOIT, 2003-2008
Adjunct Professor, Dept. of Math and Stats, York University, 2004-
PhD, 2000, Mathematics, University of British Columbia
MSc, 1993, Physics, McGill University
BSc, 1991, Physics, McGill University


My research interests include bifurcation analysis of large scale systems with applications to flow transition in geophysical fluids, such as the atmosphere.    The analysis of these partial differential equation models require extensive use of numerical methods for large sparse systems. To read more click here.

Opportunities for Graduate Students:

There are some positions available to work with me in the Modelling and Computational Science MSc or PhD programs in the Faculty of Science at UOIT. For more information see the "Graduate" tab on the Faculty of Science website.

Selected Publications:

For a full list of publications, and for reprints and preprints click here.

  1. B. Pourziaei, G.M. Lewis, H. Huang, J.E. Lewis (2019) Spatiotemporal model for depth perception in electric sensing Journal of Theoretical Biology. Vol. 461, p. 157-169.

  2. G.M. Lewis, N. Perinet, L. van Veen. (2015) The primary flow transition in the baroclinic annulus: Prandtl number effects, in Modelling Atmospheric and Oceanic Flows. Insights from Laboratory Experiments and Numerical Simulation. Eds. T. von Larcher and P. Williams. Geophysical Monograph Series, Geopress. p. 45-59.

  3. G.M. Lewis. (2010) Mixed-mode solutions in an air-filled differentially heated rotating annuls. Physica D Vol. 239, No. 19, p. 1843-1854.

  4. G.M. Lewis and W.F. Langford. (2008) Hysteresis in a rotating differentially heated spherical shell of Boussinesq fluid. SIAM Journal on Applied Dynamical Systems. Vol. 7, No. 4, p. 14211444.

  5. G.M. Lewis, P.H. Austin and M. Szczodrak. (2004) Spatial statistics of marine boundary layer clouds. Journal of Geophysical Research Vol. 109, D04104, doi:10.1029/2003JD003742.

  6. G.M. Lewis and W. Nagata.  (2003) Double Hopf bifurcations in the differentially heated rotating annulus. SIAM Journal on Applied Mathematics. Vol. 63, No. 3, p. 1029-1055.