The Bernoulli manifolds for nonelliptic quasilinear systems of first order and applications in continuum mechanics
The generalized Cauchy problem with data on two surfaces for a quasilinear analytic system.
The porous medium equation as a finite-speed approximation to a Hamilton-Jacobi equation
The Rayleigh quotient and dynamic programming.
The reverse Hölder inequality for the solution to -harmonic type system.
The two-dimensional eikonal equation.
Transport equation and Cauchy problem for vector fields and applications