%0 Journal Article
%T Finite speed of propagation and local boundary conditions for wave equations with point interactions
%A Pavel Kurasov
%A Andrea Posilicano
%J Mathematics
%D 2006
%I arXiv
%X We show that the boundary conditions entering in the definition of the self-adjoint operator describing the Laplacian plus a finite number of point interactions are local if and only if the corresponding wave equation has finite speed of propagation
%U http://arxiv.org/abs/math-ph/0602024v1