Table of Contents, July 1997 (Volume VII, Issue 1)

Table of Contents, July 1997 (Volume VII, Issue 1)

Editors Page………………………………………………………………………………………….4

                             New Essays

  • On Quadrangles Derived from Quadrangles
    By Branko Grünbaum……………………………………………………………………………5

 

 

  • In Memory of Paul Erdos Our Joint Problems in Combinatoral Geometry
    By Alexander Soifer………………………………………………………………………………25

 

  • Squares inside of a Square
    By Richard Stong…………………………………………………………………………………29

 

Table of Contents, October 1997 (Volumes VII, Issue 2)

Editors Page……………………………………………………………………………………….40

                              New Essays

  • On Quadrangles Derived from Quadrangles – Part 2
    By Branko Grünbaum……………………………………………………………………………41

 

 

  • Folding and Turning Along Geodesics in a Convex Surface
    By János Pach………………………………………………………………………………………61

 

  • In Memory of Paul Erdös: Our Joint Problems in Combinational Geometry III
    By Alexander Soifer…………………………………………………………………………66

Recent Books…………………………………………………………………………………..70

 

Table of Contents, January 1998 (Volume VII, Issue 3)

Editors Page…………………………………………………………………………………….76

                                 New Essays

  • Area Bounds in Convex Lattice Polygons
    By Eberth G. Alarcon II…………………………………………………………………………77

 

  • Was Stonehenge an Observatory?
    By Gilbert Castillio…………………………………………………………………………83

 

  • On Quadrangles Derived from Quadrangles – Part 3
    By Branko Grünbaum………………………………………………………………………88

 

  • A Space- Time Version of Tyszka’s Result
    By Misha Koshelev…………………………………………………………………………95

 

  • Heesch-Tiles Based on Regular Pollygons
    By Peter Readschelders…………………………………………………………………101

 

  • In Memory of Paul Erdos: Our Joint Problems in Combinatorial Geometry IV
    By Alexander Soifer………………………………………………………………………107

 

Table of Contents, April 1998 (Volume VII, Issue 4)

                              Editors Page……………………………………………………………116

                              New Essays

  • Kings on Triangular Honeycombs
    By Heiko Harborth and Peter Stark……………………………………………………117

 

 

  • Sets with Intergral Distances and a Coloring of Edges of an Infinite Graph
    By Aleksandr Kuz’minykh………………………………………………………………………132

 

  • Discs in a Disc
    By Alexander Soifer………………………………………………………………………139

 

        Corrections………………………………………………………………………………141

               

       Recent Books……………………………………………………………………………143