Volume XXXII


Geombinatorics Quarterly

Issue 1  (July 2022)

A Finite Graph Approach to the Probabilistic Hadwiger-Nelson Problem

by Haydn Gwyn, Jacob Stavrianos 5

On the Babai and upper chromatic numbers of Rn with non-Euclidean distance

by William Jones and Jakub Kraus 29

No Repeated Slopes, Triangles and Polygons

by Shakhar Smorodinsky and Charles Wolf 40

Popularizing History: Karl-Friedrich Bonhoeffer and His Friends, A Review of “The Scientific World of Karl- Friedrich Bonhoeffer: The Entanglement of Science, Religion, and Politics” by Kathleen L. Housley

by Alexander Soifer 48

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Issue 2  (October 2022)

Editor's Page   56

Tiling the plane with hexagons: improved separations for k-colourings


by Aubrey D.N.J DeGrey and Jaan Parts 57
On lower bounds of the order of k-chromatic unit distance graphs by Aubrey D.N.J DeGrey and Jaan Parts 72
A Generalization of Szlam's Lemma by Alan Li, Amelia Shapiro, and Kaylee Weatherspoon 75
Maximal Tilings with the Minimal Tile Property  by Iwan Praton 82
There is no censorship in the Western World, or is there? An essay in six movements by Alexander Soifer 87