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Locally quasi-convex convergence groups
Topology and its Applications ( IF 0.6 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.topol.2020.107384 Pranav Sharma
Topology and its Applications ( IF 0.6 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.topol.2020.107384 Pranav Sharma
Abstract This paper deals with the extension of Pontryagin reflexivity of the topological groups to the class of convergence groups. First, we give an example of a non-topological convergence on a group which is compatible with the algebraic structure of the group. Then we introduce the notion of local quasi-convexity for the class of convergence groups and present the results obtained while investigating the class of locally quasi-convex convergence abelian groups. We obtain that in contrast to the topological case, locally compact abelian convergence groups do not lie in the class of locally quasi-convex convergence groups. Finally, we prove that a compact Hausdorff convergence abelian group which is embedded is reflexive.
中文翻译:
局部拟凸收敛群
摘要 本文讨论了将拓扑群的庞特里亚金自反性扩展到收敛群类的问题。首先,我们给出一个与群的代数结构兼容的群上的非拓扑收敛的例子。然后我们引入了收敛群类的局部拟凸性的概念,并给出了在研究局部拟凸收敛阿贝尔群类时获得的结果。我们得到,与拓扑情况相反,局部紧阿贝尔收敛群不属于局部拟凸收敛群。最后,我们证明了嵌入的紧Hausdorff收敛阿贝尔群是自反的。
更新日期:2020-11-01
中文翻译:
局部拟凸收敛群
摘要 本文讨论了将拓扑群的庞特里亚金自反性扩展到收敛群类的问题。首先,我们给出一个与群的代数结构兼容的群上的非拓扑收敛的例子。然后我们引入了收敛群类的局部拟凸性的概念,并给出了在研究局部拟凸收敛阿贝尔群类时获得的结果。我们得到,与拓扑情况相反,局部紧阿贝尔收敛群不属于局部拟凸收敛群。最后,我们证明了嵌入的紧Hausdorff收敛阿贝尔群是自反的。