On the centrally symmetric ovals circumscribing invariant maximal quadrilaterals
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http://siba-ese.unisalento.it/index.php/notemat/article/view/12860
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资源简介：
If in a centrally symmetric oval all the inscribed convex quadrilaterals of maximal area and/or perimeter have the property that for any point on the oval there is exactly one such quadrilateral having that point as a vertex, does the oval have to be an ellipse? In this paper we will give an answer ranging from partial to complete to this multiple question
提供机构：
University of Salento
创建时间：
2013-11-07
