96120: The degree of the linear orbit of a cubic surface
The projective linear group PGL(C,4) acts on cubic surfaces, considered as points of PC19. We compute the degree of the 15-dimensional projective variety defined by the Zariski closure of the orbit of a general cubic surface. The result, 96120, is obtained using methods from numerical algebraic geometry.
Copyright (c) 2020 L.Brustenga, I.Moncusì, S.Timm, M.Weinstein
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