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arXiv · 2512.16678

The stationary focus of the Kiepert parabola over a special Poncelet triangle family

Mark Helman·Ronaldo A. Garcia·Dan Reznik
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Abstract

We show that the focus of the Kiepert in-parabola remains stationary over a family of circle-inscribed Poncelet triangles which contain an equilateral triangle.

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Mark Helman, Ronaldo A. Garcia, Dan Reznik. 2025-12-18. The stationary focus of the Kiepert parabola over a special Poncelet triangle family. https://arxiv.org/abs/2512.16678

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