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math.NT2017
The Pentagonal Inequality
Roy Barbara
Given a positive linear combination of five (respectively seven) cosines, where the angles are positive and sum to pi, the aim of this article is to express the sharp bound of the…
math.NT2017★ 1 cited
The Rational Distance Problem for Equilateral Triangles
Roy Barbara
Let (P) denote the problem of existence of a point in the plane of a given triangle T, that is at rational distance from all the vertices of T. In this article, we provide a comple…