Lawvere-Tierney topologies for computability theorists
Lawvere-Tierney topologies for computability theorists
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可计算性理论家的 Lawvere-Tierney 拓扑
DOI:
10.1090/btran/134
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发表时间:
2023
期刊:
影响因子:
--
通讯作者:
Kihara Takayuki
中科院分区:
文献类型:
--
作者:
Kagei Yoshiyuki;Takeda Hiroshi;Kihara Takayuki
In this article, we study the lattice of Lawvere-Tierney topologies on Hyland’s effective topos. For this purpose, we introduce a new computability-theoretic reducibility notion, which is a common extension of the notions of Turing reducibility and generalized Weihrauch reducibility. Based on the work by Lee and van Oosten [Ann. Pure Appl. Logic 164 (2013), pp. 866-883], we utilize this reducibility notion for providing a concrete description of the lattice of the Lawvere-Tierney topologies on the effective topos. As an application, we solve several open problems proposed by Lee and van Oosten. For instance, we show that there exists no minimal Lawvere-Tierney topology which is strictly above the identity topology on the effective topos. References
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影响因子:
4.4
作者:
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通讯作者:
A. Pauly
DOI:
10.1016/j.ic.2015.03.005
发表时间:
2013
期刊:
Inf. Comput.
影响因子:
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期刊:
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--
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期刊:
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影响因子:
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作者:
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通讯作者:
Montalbán, Antonio