81 citations · 433 across the 50 of their papers we have counts for
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Uncertainty Principles in Finitely generated Shift-Invariant Spaces with additional invariance
Romain Tessera, Haichao Wang
We consider finitely generated shift-invariant spaces (SIS) with additional invariance in . We prove that if the generators and their translates form a frame, then they…
On the existence of Optimal Subspace Clustering Models
Akram Aldroubi, Romain Tessera
Given a set of vectors $\F=\{f_1,\dots,f_m\}$ in a Hilbert space $\HH$, and given a family $\CC$ of closed subspaces of $\HH$, the {\it subspace clustering problem} consists in fin…
The Howe-Moore property for real and p-adic groups
Raf Cluckers, Yves Cornulier, Nicolas Louvet +2
We consider in this paper a relative version of the Howe-Moore Property, about vanishing at infinity of coefficients of unitary representations. We characterize this property in te…
The inclusion of the Schur algebra in B(l^2) is not inverse-closed
Romain Tessera
The Schur algebra is the algebra of operators which are bounded on l^1 and on l^{\infty}. Q. Sun conjectured that the Schur algebra is inverse-closed. In this note, we disprove thi…
Left inverses of matrices with polynomial decay
Romain Tessera
The algebra of Schur operators on l^2 is known not to be inverse-closed. When l^2=l^2(X) where X is a metric space, we can consider elements of the Schur algebra with certain decay…