Diffusion Processes and PDE’s in Narrow Branching Tubes
Mark Iosifovich Freidlin · Birkhäuser Basel eBooks · 1996
Consider a connected graph Γ in R r with vertices O1,…, O m and edges I1,…, I n . Let G∈ be a domain consisting of narrow tubes surrounding the edges I i ⊂ Γ and of small neighborhoods ε k of the vertices O k ⊂ Γ (see Fig. 16).