Vol XXXII: 2023-2022
Issue 1 (July 2022)
A Finite Graph Approach to the Probabilistic Hadwiger-Nelson Problem | 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 | 48 |
Issue 2 (October 2022)
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 | 87 |
Issue 3 (January 2023)
Grid dissections of tangential quadrilaterals
| by Erica Choi, Dan Ismailescu, Jiho Lee, and Joonsoo Lee | 101 |
Saturated Sets of Distinct Integer Equilateral | by Erich Friedman and James Tilley | 117 |
Aperiodic Sets of Prototiles Extracted from the | by Mike Winkler | 122 |
Pragmatism beats Historicism in our day and age | 132 |
Issue 4 (April 2023)
A 5-chromatic same-distance graph in the hyperbolic plane
| by Geoffrey Exoo, Dan Ismailescu | 145 |
| More certainty in coloring the plane with a forbidden distance interval… | by by Jaan Parts | 159 |
| Nesting Parallelepipeds, A Minimax Problem | by Alexander Soifer | 186 |