Abstract
A conservative quasi-monotone semi-Lagrangian scheme is developed in this paper. Mass conservation is achieved via Lagrange multipliers. The new scheme is computationally efficient. Numerical examples with linear and nonlinear advection problems illustrate the properties of the scheme.
Corresponding author address: Rodolfo Bermejo, Facultad de CC. Matemáticas, Departamento de Matemática Aplicada, Universidad Complutense de Madrid, 28040 Madrid, Spain. Email: rbermejo@amb-to.uclm.es