On the class 𝐴_{1,ℵ₀}

Prunaru, Bebe

doi:10.1090/S0002-9939-1991-1055779-X

On the class $\textbf {A}_ {1,\aleph _ 0}$
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Proc. Amer. Math. Soc. 112 (1991), 45-51 Request permission

Abstract:

The solvability of certain systems of simultaneous equations in the predual of a dual operator algebra is studied. The main result is a geometric criterion for membership in the class ${A_{1,{\aleph _0}}}$.

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