最小面积等腰集装箱
Minimum area isosceles containers
摘要:
我们证明了包含给定三角形$T$的每个最小面积等腰三角形与$T$共享一条边和一个角。这证明了Nandakumar的一个由计算问题引起的猜想。我们利用我们的结果推导出对于每个三角形$T$,(1)至多存在包含$T$的$3$最小面积等腰三角形,(2)存在包含$T$的面积小于$\sqrt2$乘以$T$面积的等腰三角形.这两个边界都是最好的。
英文摘要:
We show that every minimum area isosceles triangle containing a given triangle $T$ shares a side and an angle with $T$. This proves a conjecture of Nandakumar motivated by a computational problem. We use our result to deduce that for every triangle $T$, (1) there are at most $3$ minimum area isosceles triangles that contain $T$, and (2) there exists an isosceles triangle containing $T$ whose area is smaller than $\sqrt2$ times the area of $T$. Both bounds are best possible.
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