We consider some new properties of simple plane curves. Starting from a unusual (and metric) formulation of the tangent line, we prove that at every point of a plane curve there is at least a tangent direction. So, from a pure theoretical point of vue, it is possible to have many tangent directions at every point of a plane curve.

Some questions on plane curves

PASCALI, Eduardo
2012-01-01

Abstract

We consider some new properties of simple plane curves. Starting from a unusual (and metric) formulation of the tangent line, we prove that at every point of a plane curve there is at least a tangent direction. So, from a pure theoretical point of vue, it is possible to have many tangent directions at every point of a plane curve.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11587/365507
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