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单词 LocalBase
释义

local base


Let x be a point in a topological spaceMathworldPlanetmath X. A local base around x, is a family of neighborhoodsMathworldPlanetmathPlanetmath such that every neighborhood of x contains a member of the family. A local base is also known as a neighborhood base.

Titlelocal base
Canonical nameLocalBase
Date of creation2013-03-22 12:22:16
Last modified on2013-03-22 12:22:16
Owneryark (2760)
Last modified byyark (2760)
Numerical id9
Authoryark (2760)
Entry typeDefinition
Classificationmsc 54-00
Synonymbase of a neighborhood system
Synonymneighborhood base
Synonymbase of a neighbourhood system
Synonymneighbourhood base
Related topicFirstAxiomOfCountability
Related topicNeighborhood
Related topicNeighborhoodSystem
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更新时间:2025/5/4 8:22:17