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math.HO2021
Bisecting a triangle in a given direction
Robin Whitty
Given a triangle, what is the equation of the line which bisects its area and has a given slope? The set of all lines bisecting the area of a triangle has been elegantly determined…
math.HO2014
Some Comments on Multiple Discovery in Mathematics
Robin Whitty
Among perhaps many things common to Kuratowski's Theorem in graph theory, Reidemeister's Theorem in topology, and Cook's Theorem in theoretical computer science is this: all belong…