Table of Contents, July 2011 (Volume XXI, Issue 1)

Geombinatorics Quarterly Vol XXI

July 2011 to April 2012


Issue 1, Issue 2, Issue 3, Issue 4


 

Table of Contents

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

 

 

  • Fast Recognition of Planar Non-Unit Distance Graphs
    By Sascha Kurz………………………………………………………………………………………25

 

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

 

Table of Contents

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 Viet Elser…………………………………………………………………………………………73

 

Recent Books…………………………………………………………………………………………81

 

Subscription Form………………………………………………………………………………….83

 

 

Table of Contents, 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

 

 

Table of Contents

April 2012 (Volume XIX, 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

 

 

Recent Books……………………………………………………………………………………………170

 

Subscription Form………………………………………………………………………………………171