IMI Interdisciplinary Mathematics InstituteCollege of Arts and Sciences

Greedy approximation with respect to unconditional and quasi-greedy bases

  • Nov. 18, 2011, 2 p.m. LeConte 428
  • Nov. 21, 2011, noon LeConte 312
  • Nov. 28, 2011, noon LeConte 312

Abstract

We review some classical results in Functional Analysis about the existence of conditional bases in Hilbert spaces, and related more recent results in Greedy approximation about the existence of conditional quasi-greedy bases in Banach spaces. The Olevskii matrices are the main tool for these constructions.

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