170 citations
- Polish Academy of SciencesPL15 papers
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math.FA2005
Kaczmarz algorithm in Hilbert space and tight frames
Ryszard Szwarc
We prove that any tight frame in Hilbert space can be obtained by the Kaczmarz algorithm. An explicit way of constructing this correspondence is given. The uniqueness of the corres…
math.FA2005
Stabilization of Tsirelson-type norms on spaces
Anna Maria Pelczar
We consider classical Tsirelson-type norms of and their modified versions on spaces. We show that for any there is a constant such that consi…
math.FA2004★ 1 cited
Remarks on Naimark's duality
Wojciech Czaja
We present an extension of Naimark's duality principle which states that complete systems in a Hilbert space are projections of -linearly independent systems of elements of an a…