Volume XXI
VOL XXI
Geombinatorics Quarterly
July 2011 (Volume XXI, Issue 1)
Editors Page | 4 | |
New Essays | ||
The Best Polynomial Bounds for the Number of triangles in a Simple Arrangement of n Psuedo-Lines | By Jérémy Blanc | 5 |
Representations of Spatial Variation: Geometric Approach and Environmental Applications | By Micha Kosheleva, Octavio Lerma, and Craig Tweedie | |
Fast Recognition of Planar Non-Unit Distance Graphs | By Sascha Kurz | 6 |
Book Reviews | ||
“Because Germany Needs Me,” A Review of David C. Cassidy’s book Beyond Unvertainty: Heisenber, Quantum Physics, and the Bom | By Alexander Soifer | 34 |
Recent Books | 37 | |
Subscription Form | 39 |
July 2011 (Volume XXI, Issue 2)
Editors Page | 44 | |
New Essays | ||
A Geometric Extermal Result for Cubi Arrays | By James Gossel and Peter Johnson | 45 |
Side-Angle Reciprocity- A Survey | By Branko Grünbaum | 55 |
A Lower Bound for 4-Regular Planar Unit Distance Graphs | By Sascha Kurz | 63 |
Packing Constrained Point Coverings | By Velt Elser | 73 |
Recent Books | 81 | |
Subscription Form | 83 |
January 2012 (Volume XXI, Issue 3)
Editors Page | 88 | |
New Essays | ||
Inversion of the “midpoints polygon” construction | By Branko Grünbaum | 89 |
A Convex Polygon with Small Sum of Squared Distances Between its Vertices | By Janusz Januszewski | 97 |
On Topological Diversity of Unbounded Convex Bodies in the Hyperbolic Space | By Alexander Kuz’minykh | 101 |
Chromatic numbers of two-distance graphs in Q2 | By Matt Noble | 110 |
A lovely bunch of coconuts | By John E. Wetzel | 117 |
Recent Books | 122 | |
Subscription Form | 123 |
April 2012 (Volume XXI, Issue 4)
Editors Page | 128 | |
New Essays | ||
On the Cyclic Van Der Waerden Numbers | By Daniel Grier | 129 |
More on the Second Babai Number and Second Clique Number of Q3 | By Matt Noble | 132 |
Van der Waerden and Heisenberg: The Story of One Friendship in Seventeen Sketches |
By Alexander Soifer | 138 |
Tangles Thrackes | By János Pach, Radös Radoičić and Gézá Tóth | 157 |
Recent Books | 170 | |
Subscription Form | 171 |