Triangle-Free 5-Chromatic Unit Distance Graphs

Alexander Soifer
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Alexander Soifer: University of Colorado at Colorado Springs, College of Letters, Arts, and Sciences

Chapter Chapter 55 in The New Mathematical Coloring Book, 2024, pp 699-699 from Springer

Abstract: Abstract Of course, I enjoyed constructions of Mosers-Spindle-free 5-chromatic graphs in the previous chapter. However, they included numerous unit triangles, and I asked for more in my 2019 problem paper [Soi46].

Date: 2024
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DOI: 10.1007/978-1-0716-3597-1_55

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