Quasi-liminf convergence in posets

Quasi-liminf convergence in posets
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偏序集中的拟极限收敛

DOI:
10.1016/j.topol.2020.107546
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发表时间:
2020-12
影响因子:
0.6
通讯作者:
Xu Xiaoquan
Xu Xiaoquan
中科院分区:
数学4区
文献类型:
--
作者:
Zhang Wenfeng;Xu Xiaoquan

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本文引入偏序集滤子的GS2-收敛和拟极限收敛的概念。主要结果是:(1)对于偏序集P上的序一致拓扑τ,P是τ-拟连续的当且仅当P是τ-收敛的;(2)对于偏序集P上的序一致拓扑τ,如果P是τ-拟连续的,则P是τ(P)-收敛的;(3)对于偏序集P上的序一致拓扑τ,P是τ-连续的当且仅当它满足τ-连续,拟极限收敛与τ(P)-收敛一致。
In this paper, the concepts of gs2-convergence and quasi-liminf convergence of.filters in posets are introduced. The main results are: (1) For an order consistent.topology τ on a poset P, P is τ-quasicontinuous iff the gs2-convergence coincides.with τ-convergence; (2) For an order consistent topology τ on a poset P, the quasiliminf convergence coincides with τ ∨ ω(P)-convergence if P is τ-quasicontinuous; (3) For an order consistent topology τ on a poset P, P is τ-continuous iff the.s2-convergence coincides with τ-convergence iff it is meet τ-continuous and the.quasi-liminf convergence coincides with τ ∨ ω(P)-convergence.
DOI: 10.1017/cbo9780511542725
发表时间: 2003-04
期刊: --
影响因子: --
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