Convexity theorem of parametric triangular Bézier surfaces

zbMath0664.41007MaRDI QIDQ1114881

Jianming Zhao

Publication date: 1988

Published in: Chinese Annals of Mathematics. Series B (Search for Journal in Brave)

zbMATH Keywords

control nets of parametric triangular Bézier surfacesquadratic Bézier surfacestwist vectors

Mathematics Subject Classification ID

Interpolation in approximation theory (41A05) Special properties of functions of several variables, Hölder conditions, etc. (26B35) General convexity (52A99)

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Convexity of parametric Bézier surfaces in terms of Gaussian curvature signatures, The convexity of quadratic parametric triangular Bernstein-Bézier surfaces