Numerical approach to $L_1$-problems with the second order elliptic operators

Nedzad Limić, Mladen Rogina

For a second order differential operator $A(\msx) =-\nabla a(\msx)\nabla + b'(\msx)\nabla+ \nabla \big(\msb''(\msx) \cdot\big)$ on a bounded domain $D$ with the Dirichlet boundary…