ABSTRACT
The semilinear parabolic partial differential equation ∂ t u = Σ ∂ i a i j ( x ) ∂ j u − f ( u , x ) , x ∈ Ω , t ≥ 0 , https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780203744369/d9858e60-9246-4876-bb34-38e3d28ecc5f/content/eq1018.tif"/>
