Highly Degenerate Quasilinear Parabolic Systems

摘要

In interesting recent investigations concerning diffusion and viscoelasticrelaxation in polymers, D.S. Cohen introduced a class of highly degenerate and nonstandard reaction-diffusion models. Numerical calculations and formal asymptotic methods, which he and his collaborator carried out, show that these models exhibit phenomena which have been observed experimentally in controlled release technology of the pharmaceutical industry.