SIAM Journal on Applied Mathematics, Vol. 44, No. 3 (Jun., 1984), pp. 545-556 (12 pages) A nonlinear diffusion equation arising from a biphasic continuum model of soft tissue, such as for articular ...
The following theorem is proved. Let G be a topological abelian group and E a subset of G for which there exist k elements a1,..., ak such that (E+a1) ⋃ ... ⋃ (E+ak) = G. Let further V be a ...