Example image of eyePlorer eyePlorer map for 'Vertex (curve)': Curvature Curve Maxima and minima Circle Four-vertex theorem Contact Cusp (singularity) Evolute Medial axis Symmetry set Reflection symmetry Cardinal point (optics) Lens (optics) Matrix representation of conic sections Parabola/Proofs Involute Vertex (geometry) Parabola Contact (mathematics) Vertex Cissoid of Diocles
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