2 problems

Let the Laplacian have periodic boundary conditions, and let the Galerkin method use the periodic $n$-dimensional spline space of degree $p$ with maximal smoothness $C^{p-1}$ on a…

Let $\Gamma\subset\mathbb{R}^3$ be a single smooth curve, and suppose a family of scaled potential wells in the normal plane has a zero-energy resonance, as in approximations of a…