<p>In 1985, Linderholm posed the following problem: does every convex body <i>K</i> in the plane admit a right-angled triangle <i>T</i> that contains <i>K</i> and whose area is at most twice that of <i>K</i>? Assuming that <i>K</i> has constant width, we prove that such a triangle <i>T</i> exists with area at most 2.07016 times the area of <i>K</i>.</p>

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A note on a problem posed by Linderholm

  • Christoph Thäle

摘要

In 1985, Linderholm posed the following problem: does every convex body K in the plane admit a right-angled triangle T that contains K and whose area is at most twice that of K? Assuming that K has constant width, we prove that such a triangle T exists with area at most 2.07016 times the area of K.