The unit upper half-disk is the portion of the complex plane satisfying ![{|z|<=1,I[z]>0}](/images/equations/UpperHalf-Disk/Inline1.svg)
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Upper Half-Disk
See also
Disk, Lower Half-Disk, Real Axis, Semicircle, Unit Disk, Upper Half-PlaneExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Upper Half-Disk." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/UpperHalf-Disk.html