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Mapping toric varieties into low dimensional spaces
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abstract
A smooth $d$-dimensional projective variety $X$ can always be embedded into $2d+1$-dimensional space. In contrast, a singular variety may require an arbitrary large ambient space. If we relax our requirement and ask only that the map is injective, then any $d$-dimensional projective variety can be mapped injectively to $2d+1$-dimensional projective space. A natural question then arises: what is the minimal $m$ such that a projective variety can be mapped injectively to $m$-dimensional projective space? In this paper we investigate this question for normal toric varieties, with our most complete results being for Segre-Veronese varieties.
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Cited by 1 Pith paper
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Separating polynomial invariants over non-closed fields of finite abelian groups
Over Q, degree 3 polynomial invariants separate orbits of C_p representations; a new Galois-descent condition yields analogous degree bounds for abelian groups over non-closed fields.
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