• K T Joseph

      Articles written in Proceedings – Mathematical Sciences

    • Solution of a system of nonstrictly hyperbolic conservation laws

      K T Joseph G D Veerappa Gowda

      More Details Abstract Fulltext PDF

      In this paper we study a special case of the initial value problem for a 2×2 system of nonstrictly hyperbolic conservation laws studied by Lefloch, whose solution does not belong to the class ofL functions always but may contain δ-measures as well: Lefloch's theory leaves open the possibility of nonuniqueness for some initial data. We give here a uniqueness criteria to select the entropy solution for the Riemann problem. We write the system in a matrix form and use a finite difference scheme of Lax to the initial value problem and obtain an explicit formula for the approximate solution. Then the solution of initial value problem is obtained as the limit of this approximate solution.

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