19 citations · 20 across the 7 of their papers we have counts for
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math.OA2012★ 1 cited
Amenability and Uniqueness
A. Ciuperca, T. Giordano, P. W. Ng +1
The main result of this paper is a characterization of properly infinite injective von Neumann algebras and of nuclear C*-algebras by using a uniqueness theorem, based on generaliz…
math.OA2012
Positive combinations of projections in von Neumann algebras and purely infinite simple C*-algebras
V. Kaftal, P. W. Ng, S. Zhang
We give an overview of the question: which positive elements in an operator algebra can be written as a linear combination of projections with positive coefficients. A special case…
math.OA2012★ 19 cited
Projection decomposition in multiplier algebras
V. Kaftal, P. W. Ng, S. Zhang
In this paper we present new structural information about the multiplier algebra Mult (A) of a sigma-unital purely infinite simple C*-algebra A, by characterizing the positive elem…