The collection of twistors in Minkowski space that forms a four-dimensional complex vector space.
Twistor Space
See also
Complex Vector Space, Minkowski Space, TwistorExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Twistor Space." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/TwistorSpace.html