| 词条 | Mukhopadhyaya theorem |
| 释义 |
In geometry Mukhopadhyaya's theorem may refer to one of several closely related theorems about the number of vertices of a curve due to {{harvs|txt|last=Mukhopadhyaya|authorlink=Mukhopadhyaya|year=1909}}. One version, called the Four-vertex theorem, states that a simple convex curve in the plane has at least 4 vertices, and another version states that a simple convex curve in the affine plane has at least 6 affine vertices. References
1 : Theorems in geometry |
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