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单词 UnitDisk
释义

unit disk


The unit diskMathworldPlanetmath in the complex planeMathworldPlanetmath, denoted Δ, is defined as{z:|z|<1}. The unit circleMathworldPlanetmath, denoted Δ or S1 is the boundary {z:|z|=1} of the unit disk Δ. Every element zΔ can be written as z=eiθ for some real value of θ.

Titleunit disk
Canonical nameUnitDisk
Date of creation2013-03-22 13:37:45
Last modified on2013-03-22 13:37:45
Ownerbrianbirgen (2180)
Last modified bybrianbirgen (2180)
Numerical id8
Authorbrianbirgen (2180)
Entry typeDefinition
Classificationmsc 30A99
Synonymunit disc
Related topicConformalMobiusCircleMapTheorem
Related topicSchwarzLemma
Related topicComplex
Related topicUpperHalfPlane
Related topicUnitDiskUpperHalfPlaneConformalEquivalenceTheorem
Related topicUnitDisc2
Definesunit circle
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更新时间:2025/5/4 17:02:26