About: Four-vertex theorem

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Theorem that every simple closed smooth curve in the plane has at least four points of locally extreme curvature

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  • mathematischer Satz (de)
  • matematični izrek (sl)
  • theorem that every simple closed smooth curve in the plane has at least four points of locally extreme curvature (en)
  • teorema sobre les curvatures (ca)
  • Teorema que afirma que cada curva suave cerrada simple en el plano tiene al menos cuatro puntos de curvatura localmente extrema (es)
  • teoremă care afirmă că orice curbă simplă plană netedă și închisă are cel puțin patru puncte de curbură extreme local (ro)
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  • Four-vertex theorem (en)
  • Théorème des quatre sommets (fr)
  • Teorema de los cuatro vértices (es)
  • Vierscheitelsatz (de)
  • Teorema dos quatro vértices (pt)
  • Теорема о четырёх вершинах (ru)
  • Теорема про чотири вершини (uk)
  • 四頂點定理 (zh)
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