29 citations · 100 across the 20 of their papers we have counts for
Showing 2026Show all
3 papers · 1 filter
math.FA2026
Umbrella theorems for time-frequency representations
Paolo Boggiatto, Chiara Boiti, Alessandro Oliaro
An uncertainty principle due to H.S. Shapiro, the so-called Umbrella Theorem, asserts that there is no square integrable function uniformly dominating all the elements of an orthon…
math.AP2026
A Kirchhoff equation with infinite conservation laws
Chiara Boiti, Renato Manfrin
We show here that the quasilinear Kirchhoff-Pokhozhaev equation with , admits conservation laws…
math.FA2026
Stability of global wave front sets by perturbations of frames
Chiara Boiti, David Jornet, Alessandro Oliaro
In this paper we consider the Gabor wave front set of ultradistributions in the frame of ultradifferentiable functions. We prove that such a wave front set, defined through a Gabor…