Finite speed of propagation and local boundary conditions for wave equations with point interactions
Mathematical Physics
2007-05-23 v1 Analysis of PDEs
math.MP
Abstract
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
Keywords
Cite
@article{arxiv.math-ph/0602024,
title = {Finite speed of propagation and local boundary conditions for wave equations with point interactions},
author = {Pavel Kurasov and Andrea Posilicano},
journal= {arXiv preprint arXiv:math-ph/0602024},
year = {2007}
}