Principal Vertex

A Vertex of a Simple Polygon is a principal Vertex if thediagonal intersects the boundary of only at and .

References

Meisters, G. H. ``Polygons Have Ears.'' Amer. Math. Monthly 82, 648-751, 1975.

Meisters, G. H. ``Principal Vertices, Exposed Points, and Ears.'' Amer. Math. Monthly 87, 284-285, 1980.

Toussaint, G. ``Anthropomorphic Polygons.'' Amer. Math. Monthly 98, 31-35, 1991.

• Jacobian Conjecture
• Jacobian Curve
• Jacobian Determinant
• Jacobi-Anger Expansion
• Jacobian Group
• Jacobi Differential Equation
• Jacobi Differential Equation (Calculus of Variations)
• Jacobi Elliptic Functions
• Jacobi Function of the First Kind
• Jacobi Function of the Second Kind
• Jacobi-Gauss Quadrature
• Jacobi Identities
• Jacobi Matrix
• Jacobi Method
• Jacobi Polynomial
• Jacobi Quadrature
• Jacobi Rotation Matrix
• Jacobi's Curvature Theorem
• Jacobi's Determinant Identity
• Jacobi's Imaginary Transformation
• Jacobi's Theorem
• Jacobi Symbol
• Jacobi Tensor
• Jacobi Theta Function
• Jacobi Transformation