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math.CO2013★ 1 cited
Sum-free cyclic multi-bases and constructions of Ramsey algebras
Jeremy F. Alm, Jacob Manske
Given , is called a \emph{cyclic basis} if , \emph{symmetric} if implies , and \emph{sum-free} if $(X+X)\c…
math.CO2013★ 2 cited
On Radial Colorings of Annuli
Jeremy F. Alm, Jacob Manske
We consider the chromatic numbers of unit-distance graphs of various annuli. In particular, we consider radial colorings, which are "nice" colorings, and completely determine the r…