Double origin topology (Q5300077)

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concept in general topology

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Language	Label	Description	Also known as
English	Double origin topology	concept in general topology

Statements

defining formula

${\displaystyle \ N(0,n)=\{(x,y)\in {\mathbf {R}}^{2}x^{2}+y^{2}<1/n^{2},\ y>0\}\cup \{0\}}$

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imported from Wikimedia project

English Wikipedia

maintained by WikiProject

WikiProject Mathematics

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Identifiers

Freebase ID

/m/0fqr_yp

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Sitelinks

Wikipedia(2 entries)

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• enwiki Double origin topology
• ukwiki Топологія подвоєного початку координат

Wikibooks(0 entries)

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Wikinews(0 entries)

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Wikiquote(0 entries)

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Wikisource(0 entries)

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Wikiversity(0 entries)

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Wikivoyage(0 entries)

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Wiktionary(0 entries)

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