Zagrebnov, V.A.
(Журнал математической физики, анализа, геометрии, 2008)
The paper gives a short account of some basic properties of Dirichlet-to-Neumann operators Λγ∂Ω including the corresponding semigroups motivated by the Laplacian transport in anisotropic media (γ ≠ I) and by elliptic systems ...