Fundamentals of statistical exponential families: with applications in statistical decision theory
Fundamentals of statistical exponential families: with applications in statistical decision theory
Convexity and Bernstein-Be´zier polynomials
Curves and surfaces
Functional composition algorithms via blossoming
ACM Transactions on Graphics (TOG)
Algebraic Statistics for Computational Biology
Algebraic Statistics for Computational Biology
Computer Aided Geometric Design
Toric degenerations of Bézier patches
ACM Transactions on Graphics (TOG)
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We use ideas from algebraic geometry and dynamical systems to explain some ways that control points influence the shape of a Bézier curve or patch. In particular, we establish a generalization of Birch’s Theorem and use it to deduce sufficient conditions on the control points for a patch to be injective. We also explain a way that the control points influence the shape via degenerations to regular control polytopes. The natural objects of this investigation are irrational patches, which are a generalization of Krasauskas’s toric patches, and include Bézier and tensor product patches as important special cases.