= Cone in toric geometry
= Toric cone
{synonym}
= Cones in toric geometry
{synonym}
A <cone in toric geometry> is a <convex cone> generated by finitely many <lattice> vectors and containing no nonzero <linear subspace>. Such cones are the pieces of a <fan in toric geometry>.
A cone in toric geometry is the nonnegative real span of finitely many lattice vectors. It is rational when those generators lie in a lattice and strictly convex when it contains no nonzero linear subspace.
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