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Neusis Constructionsconstructions

Is there some simple description of what which complex numbers are "constructible" with straightedge and compass and neusis?

See http://en.wikipedia.org/wiki/Constructible_number and http://en.wikipedia.org/wiki/Neusis.

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Neusis Constructions

Is there some simple description of what complex numbers are "constructible" with straightedge and compass and neusis?

See http://en.wikipedia.org/wiki/Constructible_number and http://en.wikipedia.org/wiki/Neusis.