Volume XXIX
VOL XXIX
Geombinatorics Quarterly
Issue 1 (July 2019)
Editors Page | 4 | |
New Essays | ||
Polyominoes with maximally many holes | By Matthew Kahle and Érika Roldán | 5 |
Generalizations of the No-Three-in-a-Line Problem | By Dustin LaFollette and Anant Godbole | 21 |
The Smallest Art Gallery Not Guarded by Every Third Vertex |
By Ralph Morrison | 24 |
The International Mathematics Union Abacus Medal | By Alexander Soifer | 33 |
On a Geometric Proof of Sums of Powers | By Joseph Zaks | 37 |
Recent Books | 42 | |
Subscription Form | 43 |
Issue 2 (October 2019)
Editors Page | 48 | |
New Essays | ||
Coloring Distance Graphs on the Integers | By Matthew Ellison, Joseph Johnson | 49 |
Fission of Halving Edges Graphs | By Tanya Khovanova and Dai Yang | 56 |
4-Regular Planar Unit Triangle Graphs without Additional Triangles |
By Mike Winkler, Peter Dinkelacker, and Stefan Vogel |
72 |
Dynamic Triggering of Earthquakes: Symmetry-Based Geometric Analysis |
By Laxman Bokati, Richard Alfaro, Aaron Velasco, and Vladik Kreinovich |
78 |
Recent Books | 89 | |
Subscription Form | 91 |
Issue 3 (April 2020)
Editors Page | 136 | |
New Essays | ||
Graph minimization, focusing on the example of 5-chromatic unit-distance graphs in the plane | By Jaan Parts | 137 |
Generalizations of the No-Three-in-a-Line Problem A Square-Grid Coloring Problem | By Matthew Kahle, Francisco Martinez-Figueroa, and Alexander Soifer | 167 |
Recent Books | 185 | |
Subscription Form | 187 |
Issue 4 (July 2020)
Editors Page | 4 | |
New Essays | ||
A small 6-chromatic unit-distance graph in R3 | By Aubrey de Grey | 5 |
Polyiamonds Attaining Extremal Topological Properties, Part I |
By Greg Malen and Érika Roldán | 14 |
What percent of the plane can be properly 5- and 6-colored? |
By Jaan Parts | 25 |
Moral Principles for My Young Colleagues, or A Tale of Big Man and Little Bird |
By Alexander Soifer | 40 |
New Subscription Form | 47 |