Quasi-convex Hamilton-Jacobi equations posed on junctions: the multi-dimensional case
Résumé
A \emph{multi-dimensional junction} is the singular $(d+1)$-manifold
obtained by gluying through their boundaries a finite number of
copies of the half-space $\R^{d+1}_+$. We show that the general
theory developed by the authors (2013) for the network setting can
be adapted to this multi-dimensional case. In particular, we
prove that general quasi-convex junction conditions reduce to
flux-limited ones and that uniqueness holds true when flux limiters
are quasi-convex and continuous. The proof of the comparison
principle relies on the construction of a (multi-dimensional) vertex
test function.
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