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Lower Half-Plane

LowerHalfPlane

The portion of the complex plane {x+iy:x,y in (-infty,infty)} satisfying y=I[z]<0, i.e., {x+iy:x in (-infty,infty),y in (-infty,0)}

See also

Complex Plane, Half-Plane, Left Half-Plane, Lower Half-Disk, Right Half-Plane, Upper Half-Plane

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Cite this as:

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

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