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math.AG2017
Multigraded Cayley-Chow forms
Brian Osserman, Matthew Trager
We introduce a theory of multigraded Cayley-Chow forms associated to subvarieties of products of projective spaces. Two new phenomena arise: first, the construction turns out to re…
math.AG2017
Changing Views on Curves and Surfaces
Kathlén Kohn, Bernd Sturmfels, Matthew Trager
Visual events in computer vision are studied from the perspective of algebraic geometry. Given a sufficiently general curve or surface in 3-space, we consider the image or contour…