Conditions for positivity of solutions o
β
M.V. Bartuccelli; S.A. Gourley; C.J. Woolcock
π
Article
π
1998
π
Elsevier Science
π
English
β 311 KB
## It is a difficult problem to establish useful results on positivity of solutions of semilinear dissipative partial differential equations containing differential operators of order higher than that of the Laplacian. Positivity results are of importance in some fields of applied mathematics, suc