Table of Contents, July 1999 (Volume IX, Issue 1)

 

Geombinatorics Quarterly Vol IX

July 1999 to April 2000


Issue 1, Issue 2, Issue 3, Issue 4


Table of Contents

July 1999 (Volume IX, Issue 1)

Editors Page…………………………………………………………………………………………………2

 New Essays

 

  • Monochromatic Intersection Points in Families of Numbers
    By Branko Grünbaum.……………………………………………………………………………………………………..3

 

  • More on the Fractional Chromatic Number
    By P.D. Johnson………………………………………………………………………………………10

 

Recent Books………………………………………………………………………………………………27

 

Table of Contents

October 1999 (Volume IX, Issue 2)

Part I

  • Branko is 70
    By Alexander Soifer…………………………………………………………………………………36

 

  • About Branko
    By Victor Klee…………………………………………………………………………………………40

 

 

  • Branko Grünbaum is Seventy
    By Joseph Zaks………………………………………………………………………………………49

Part II

  • Omittable Points
    By Branko Grünbaum.………………………………………………………………………………………………….57

 

  • Minimum Saturated Packings of Congruent Integer Triangles
    By Heiko Harborth and Meinhard Möller.…………………………………………………………………….63

 

  • Piercing Convex Polygons in the Plane
    By Moshe Rosenfeld.……………………………………………………………………………………………………69

 

  • The Polygon Theorems of Pratt-Kasapi and Hoehn
    By G.C. Shephard.………………………………………………………………………………………………………..76

 

  • On Odd Integral Distances Rational Graph in Four-Dimensions
    By Joseph Zaks………………………………………………………………………………………90

 

Table of Contents

January 2000 (Volume IX, Issue 3)

Editors Page……………………………………………………………………………………………102

Dedicated to Branko Grünbaum

  • Piercing Convex Polygons in the Plane
    By Moshe Rosenfeld.………………………………………………………………………………………………….103

 

Special Feature Presentation

 

  • Introduction to Colorings of Metric Spaces by Benda and Perles
    By Peter D. Johnson, Jr.……………………………………………………………………………………………….110

 

  • Colorings of Metric Spaces
    By Miro Benda and Micha Perles.……………………………………………………………………………….113

 

New Essays

  • Astral (n4) Configurations
    By Branko Grünbaum.……………………………………………………………………………………………….127

 

  • Infinite Graphs and the Fractional Chromatic Number: Some Recent Surprises
    By Peter D. Johnson, Jr.………………………………………………………………………………………………135

 

  • Arbitrary Girth, 4-Chromatic Unit Distance Graphs in the Plane Part 1: Graph Description
    By Paul O’Donnell.……………………………………………………………………………………………………..145

 

Recent Books………………………………………………………………………………………………………….151

 

 

Table of Contents

April 2000 (Volume IX, Issue 4)

Editors Page…………………………………………………………………………………………………………….158

New Essays

  • N-Vex Shapes
    By Erich Friedman.………………………………………………………………………………………………………159

 

  • Which (n4) Configurations Exist?
    By Branko Grünbaum.…………………………………………………………………………………………………164

 

  • Problems Posed in or Arising From “Colorings of Metrics Spaces”: Status Report
    By Peter D. Johnson, Jr.………………………………………………………………………………………………..170

 

  • Arbitrary Girth, 4-Chromatic Unit Distance Graphs in the Plane Part 2: Graph Embedding
    By Paul O’Donnell.……………………………………………………………………………………………………….180

 

  • Thirteen Problems on Crossing Numbers
    By János Pach and Gézá Tóth.………………………………………………………………………………………194

 

  • Politics Colored my Mathematics
    By Alexander Soifer…………………………………………………………………………………208

 

Recent Books……………………………………………………………………………………………………………215