2 papers
math.CA2017
Energy transfer between modes in a nonlinear beam equation
Ubertino Battisti, Elvise Berchio, Alberto Ferrero +1
We consider the nonlinear nonlocal beam evolution equation introduced by Woinowsky- Krieger. We study the existence and behavior of periodic solutions: these are called nonlinear m…
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…