2 papers
math.AP2017
A multi-scale Gaussian beam parametrix for the wave equation: the Dirichlet boundary value problem
Michele Berra, Maarten V. de Hoop, José Luis Romero
We present a construction of a multi-scale Gaussian beam parametrix for the Dirichlet boundary value problem associated with the wave equation, and study its convergence rate to th…
math.FA2016
Stockwell-Like Frames for Sobolev Spaces
Ubertino Battisti, Michele Berra, Anita Tabacco
We construct a family of frames describing Sobolev norm and Sobolev seminorm of the space . Our work is inspired by the Discrete Orthonormal Stockwell Transform…