Michele Berra

activity

20132017

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Showing 2015Show all

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math.FA2015

Explicit construction of non-stationary frames for $L^{2}$

Ubertino Battisti, Michele Berra

We show the existence of a family of frames of $L^{2} (R)$ which depend on a parameter $α \in [0, 1]$ . If $α = 0$ , we recover the usual Gabor frame, if $α = 1$ we obtain a frame sy…

math.AP2015

Gabor Frames of Gaussian Beams for the Schrödinger equation

Michele Berra, Martina Bulai, Elena Cordero +1

The present paper is devoted to the semiclassical analysis of linear Schrödinger equations from a Gabor frame perspective. We consider (time-dependent) smooth Hamiltonians with at…

Explicit construction of non-stationary frames for L2

Gabor Frames of Gaussian Beams for the Schrödinger equation

Explicit construction of non-stationary frames for $L^{2}$