关于Vašák空间中的射影骨架
On projectional skeletons in Vašák spaces
摘要:
我们提供了定理的另一种证明,即任何Vašák(或弱可数确定的)巴拿赫空间都有一个完整的$1$ -投影骨架。证明是用初等子模型方法完成的,比W.~ 2009年Kubietan(2009)在弱紧生成空间的情况下。
英文摘要:
We provide an alternative proof of the theorem saying that any Vašák (or, weakly countably determined) Banach space admits a full $1$-projectional skeleton. The proof is done with the use of the method of elementary submodels and is comparably simple as the proof given by W.~Kubiś (2009) in case of weakly compactly generated spaces.
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