550 citations
- University of LjubljanaSI39 papers
- University of MariborSI39 papers
- Virginia TechUS38 papers
- Institute for Theoretical and Experimental PhysicsRU36 papers
- Jožef Stefan InstituteSI35 papers
- Budker Institute of Nuclear PhysicsRU34 papers
- École Polytechnique Fédérale de LausanneCH34 papers
- Nagoya UniversityJP34 papers
- National Central UniversityTW34 papers
- Sungkyunkwan UniversityKR34 papers
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3 papers · 1 filter
math.OA2008★ 1 cited
Strong sums of projections in von Neumann factors
Victor Kaftal, Ping Wong Ng, Shuang Zhang
This paper presents necessary and sufficient conditions for a positive bounded operator on a separable Hilbert space to be the sum of a finite or infinite collection of projections…
math.OA2007★ 4 cited
Operator valued frames on C*-modules
Victor Kaftal, David Larson, Shuang Zhang
Frames on Hilbert C*-modules have been defined for unital C*-algebras by Frank and Larson and operator valued frames on a Hilbert space have been studied in arXiv.0707.3272v1.[math…
math.OA2004★ 105 cited
On a class of free Levy laws related to a regression problem
Marek Bozejko, Wlodzimierz Bryc
The free Meixner laws arise as the distributions of orthogonal polynomials with constant-coefficient recursions. We show that these are the laws of the free pairs of random variabl…