The upper topology and interval topology on quasi-hypercontinuous posets

The upper topology and interval topology on quasi-hypercontinuous posets
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拟超连续偏序集的上拓扑和区间拓扑

DOI:
10.1016/j.topol.2017.08.048
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发表时间:
2017-10
影响因子:
0.6
通讯作者:
Wenfeng Zhang
Wenfeng Zhang
中科院分区:
数学4区
文献类型:
--
作者:
Xiaoquan Xu;Wenfeng Zhang

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本文考虑了超连续偏序集和S 2-拟连续偏序集的一个共同推广,并引入了拟超连续偏序集的新概念。主要结果是:(1)偏序集是拟超连续偏序集当且仅当上拓扑是超连续格当且仅当S⁎-收敛关于上拓扑是拓扑的;(2)对于拟超连续偏序集,拟极限收敛是关于区间拓扑的;(3)拟超连续偏序集上的区间拓扑是Tychonoff的;(4)格是拟超连续的当且仅当它的正规完备性是拟超连续格。
In this paper, we consider a common generalization of both hypercontinuous posets and s 2-quasicontinuous posets, and introduce a new concept of quasi-hypercontinuous posets. The main results are:(1) A poset is a quasi-hypercontinuous poset iff the upper topology is a hypercontinuous lattice iff the S⁎-convergence is topological with respect to the upper topology;(2) For a quasi-hypercontinuous poset, the quasi-liminf convergence is topological with respect to the interval topology;(3) The interval topology on a quasi-hypercontinuous poset is Tychonoff;(4) A lattice is quasi-hypercontinuous as a poset iff its normal completion is a quasi-hypercontinuous lattice.
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