TVEITO, ASLAK / Mathematics / Researchers

International Center for Scientific Research


Mathematics / TVEITO, ASLAK


A professor of mathematical modeling at the Department of Informatics and heads the department's scientific software group, University of Oslo, Oslo, Norway.

Research interests

His past experience includes full-and partime positions as chief research scientist at SINTEF Applied Mathematics.

Aslak Tveito's publications cover computational medicine, computational finance, scientific software, numerical linear algebra and nonlinear partial differential equations.



M. Dæhlen and A. Tveito (eds), Numerical Methods and Software Tools in Industrial Mathematics, Birkhauser 1997. (400 pages).

A. Tveito and R. Winther, Introduction to Partial Differential Equations; A computational Approach. Springers TAM-series vol 29, 1998. (400 pages).

A. Tveito and R. Winther, Einführung in die Theorie der partiellen Differentialgleichungen; Ein numerischer Zugang. Springer-Verlag, 2002.

H.P. Langtangen and A. Tveito (eds) , Computational Partial Differential Equations using Diffpack - advanced topics , in preparation.

Papers in journals

J. Sundnes, G.T. Lines and A. Tveito, Efficient solution of ordinary differential equations modeling electrial activity in cardiac cell , accepted for publication in Mathematical Biosciences, 2001.

B.F. Nielsen, O. Skavhaug and A. Tveito, Penalty and front-fixing methods for the numerical solution of American option problems, accepted for publication in J. Comp. Finance, 2001.

H. J. Schroll and A. Tveito, Local Existence and Stability for a Hyperbolic-Elliptic System Modeling Two-Phase Reservoir Flow. Electronic Journal of Partial Differential Equations, pp.1-28, no 4, Vol.2000.

X. Cai, B.F. Nielsen and A. Tveito. An analysis of a preconditioner for the discretized pressure equation arising in reservoir simulations. IMA Journal of Numerical Analysis, Vol. 19, No. 2, pp. 291-316, 1999.

X. Cai, H.P. Langtangen, B.F. Nielsen and A. Tveito. A finite element method for fully nonlinear water wave. Journal of Computational Physics, 143, pp 544-568, 1998.

B.F. Nielsen and A. Tveito, An Upscaling Method for One-Phase Flow in Heterogeneous Reservoirs; a Weighted Output Least Squares (WOLS) approach. Computational Geophysics, vol 2, no2, pp. 93-124, 1998.

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