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Lower Half-Disk


LowerHalfDisk

The unit lower half-disk is the portion of the complex plane satisfying {|z|<=1,I[z]<0}.


See also

Disk, Real Axis, Semicircle, Unit Disk, Lower Half-Plane, Upper Half-Disk

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Cite this as:

Weisstein, Eric W. "Lower Half-Disk." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/LowerHalf-Disk.html

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