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arXiv 2102.12917math.FA
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范畴测度、$C(K)^δ$与超Stonean空间的对偶

Category measures, the dual of $C(K)^δ$ and hyper-Stonean spaces

Jan Harm van der Walt

摘要:

对于紧致T2空间$K$,我们给出了$C(K)^δ$的对偶,即$K$上连续实值函数的巴拿赫格$C(K)$的Dedekind完备化.利用Oxtoby范畴测度刻画了$σ$ -序连续和序连续的泛函.这导致了超斯通空间的一个纯粹的拓扑特征。

英文摘要:

For a compact Hausdorff space $K$, we give descriptions of the dual of $C(K)^δ$, the Dedekind completion of the Banach lattice $C(K)$ of continuous, real-valued functions on $K$. We characterize those functionals which are $σ$-order continuous and order continuous, respectively, in terms of Oxtoby's category measures. This leads to a purely topological characterization of hyper-Stonean spaces.

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