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arXiv:math/9811146 [math.FA]AbstractReferencesReviewsResources

Weyl-Heisenberg frames for subspaces of L^2(R)

Peter G. Casazza, Ole Christensen

Published 1998-11-24Version 1

We give sufficient conditions for translates and modulates of a function g in L^2(R) to be a frame for its closed linear span. Even in the case where this family spans all of L^2(R), wou conditions are significantly weaker than the previous known conditions.

Comments: 13 pages
Categories: math.FA
Subjects: 42C15, 46C05, 46B20
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