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math.NT2013★ 26 cited
On gamma quotients and infinite products
Marc Chamberland, Armin Straub
Convergent infinite products, indexed by all natural numbers, in which each factor is a rational function of the index, can always be evaluated in terms of finite products of gamma…
math.CO2013
A Short Proof of a Ptolemy-Like Relation for an Even number of Points on a Circle Discovered by Jane McDougall
Marc Chamberland, Doron Zeilberger
We give a short proof of a Ptolemy-style result first discovered and proved by Jane McDougall. It may be viewed as a generalization to any even number of points of the cubic relati…