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Showing 2019 · math.COShow all
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math.CO2019
Extension-lifting Bijections for Oriented Matroids
Spencer Backman, Francisco Santos, Chi Ho Yuen
Extending the notion of geometric bijections for regular matroids, introduced by the first and third author with Matthew Baker, we describe a family of bijections between bases of…
math.CO2019
Rainbow numbers of for
Kean Fallon, Colin Giles, Hunter Rehm +2
Consider the set and an equation . The rainbow number of for , denoted , is the smallest number of colors such that…