In mathematics, a quadratic set is a set of points in a projective space that bears the same essential incidence properties as a quadric (conic section in a projective plane, sphere or cone or hyperboloid in a projective space). == Definition of a quadratic set == Let P = ( P , G , ∈ ) {\displaystyle {\mathfrak {P}}=({\mathcal {P}},{\mathcal {G}},\in )} be a projective space.
In mathematics, a quadratic set is a set of points in a projective space that bears the same essential incidence properties as a quadric (conic section in a projective plane, sphere or cone or hyperboloid in a projective space). == Definition of a quadratic set == Let P = ( P , G , ∈ ) {\displaystyle {\mathfrak {P}}=({\mathcal {P}},{\mathcal {G}},\in )} be a projective space.
Source: Wikipedia "Quadratic set" · CC BY-SA 4.0
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