Author
Kung‐Fu Ng
Bio: Kung‐Fu Ng is an academic researcher from United College, Winnipeg. The author has contributed to research in topics: Uniformly convex space & Banach manifold. The author has an hindex of 1, co-authored 1 publications receiving 36 citations.
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55 citations
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01 Sep 198522 citations
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TL;DR: In this paper, the authors introduce the notion of absolute compatibility among positive elements in absolute order unit spaces and relate it to symmetrized product in the case of a C$^{\ast}$-algebra.
Abstract: We describe absolutely ordered $p$-normed spaces, for $1 \le p \le \infty$ which presents a model for "non-commutative" vector lattices and includes order theoretic orthogonality. To demonstrate its relevance, we introduce the notion of {\it absolute compatibility} among positive elements in absolute order unit spaces and relate it to symmetrized product in the case of a C$^{\ast}$-algebra. In the latter case, whenever one of the elements is a projection, the elements are absolutely compatible if and only if they commute. We develop an order theoretic prototype of the results. For this purpose, we introduce the notion of {\it order projections} and extend the results related to projections in a unital C$^{\ast}$-algebra to order projections in an absolute order unit space. As an application, we describe spectral decomposition theory for elements of an absolute order unit space.
22 citations