Table of Contents, June 1991 ( Vol I, Issue 1 ):

• Editor's Letter
  
  
• Odd Polyhedra
  by Branko Grünbaum
  
  
• Triangles in a Two-Colored Plane
  by Alexander Soifer
  
  

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3

4

6

Table of Contents, September 1991 ( Vol I, Issue 2 ):

New Essays



• Distances Determined by n Points in the Plane
  by Paul Erdös
  
  
• Nets of Polyhedra
  by Branko Grünbaum
  
  
• Good Packings in Bad Coverings
  by John Isbell
  
  
• Triangles in a Three-Colored Plane
  by Alexander Soifer
  
  
  Responses
  
  
• Triangles in a Two-Colored Plane
  by Alexander Soifer
  
  
  Recent Books
  

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Table of Contents, December 1991 ( Vol I, Issue 3 ):

Editors Page


New Essays



• Distances in Convex Polygons
  by Paul Erdös
  
  
• Nets of Polyhedra II
  by Branko Grünbaum
  
  
• Product Colorings
  by Peter D. Johnson, Jr.
  
  
• Chromatic Number of the Plane: A Historical Essay
  by Alexander Soifer
  
  
  Recent Books
  
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Table of Contents, April 1992 ( Vol I, Issue 4 ):

Editors Page


New Essays



• Diameters of Point Sets
  by Paul Erdös
  
  
• Venn Diagrams I
  by Branko Grünbaum
  
  
• Relatives of Chromatic Number of the Plane I
  by Alexander Soifer
  
  
• Two Three-Dimensional Problems
  by Douglas Woodall
  
  
  Responses
  
  
• Triangles in a Three-Colored Plane
  by Alexander Soifer
  
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Table of Contents, July 1992 ( Vol II, Issue 1 ):

Editor's Page


Obituary of My Friend and Coauthor,
Tibor Gallai
by Paul Erdös


New Essays



• Distances Determined by Points in the Plane
  by Paul Erdös
  
  
• The Fractional Chromatic Number of the Plane
  by David Fisher and Daniel Ullman
  
  
• Forbidding Prescribed Distances for
  Denigrated Colors
  by Don Greenwell and Peter D. Johnson, Jr.
  
  
  Letters to the Editor
  
  
• Martin Gardner
  
  Recent Books
  
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Table of Contents, September 1992 ( Vol II, Issue 2 ):

Editor's Page




• Distances Determined by Points in the Plane II
  by Paul Erdös
  
  
• Venn Diagrams II
  by Branko Grünbaum
  
  
• Is the Chromatic Number of the Plane Robust?
  by Paul C. Kainen
  
  
  Errata
  
  
• Corrections for "Obituary of My Friend
  and Coauthor, Tibor Gallai"
  by Paul Erdös"
  
  
  Recent Books
  
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Table of Contents, January 1993 ( Vol II, Issue 3 ):

Editor's Page: Paul Erdös is 80
by Alexander Soifer


Old Snapshots of the Young
by Marta Swed


New Essays



• Infinite Uniform Polyhedra
  by Branko Grünbaum
  
  
• Functions Which Preserve Unit Distance
  by Don Greenwell and Peter Johnson, Jr.
  
  Errata
  
  
• Distances Determined by Points in the Plane II
  by Paul Erdös
  
  Recent Books
  
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Table of Contents, April 1993 ( Vol II, Issue 4 ):

Editor's Page


New Essays



• Triangles in Convex Polygons
  by Paul Erdös and Alexander Soifer
  
  
• Holey Isogonal Columns
  by Branko Grünbaum
  
  
• Is Snaky a Winner?
  by Frank Harary
  
  
• A Large Independent Set in the Unit
  Distance Graph
  by Robert Hochberg and Paul O'Donnell
  
  
• O(n³) Bounds for the Area of a Convex
  Lattice n-gon
  by Stanley Rabinowitz
  
  
  Letters to the Editor
  
  
• Bert TePaske-King: Mathematical Reveiws
  
  
  Recent Books
  
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Table of Contents, July 1993 ( Vol III, Issue 1 ):

Editor's Page


New Essays



• Quadrangles, Pentagons, and Computers
  by Branko Grünbaum
  
  
• A Uniform Bound for Rearranged Vector Sums
  by Paul C. Kainen
  
  
• The Octagon Anomoly
  by Stanley Rabinowitz
  
  
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Table of Contents, October 1993 ( Vol III, Issue 2 ):

Editor's Page


New Essays



• Colorings of the plane I
  by Nathanial Brown, Nathan Dunfield, and Greg Perry
  
  
• Astral (n_k) Configurations
  by Branko Grünbaum
  
  
• Almost Chromatic Number of the Plane
  by Ilya Hoffman and Alexander Soifer
  
  
• Is the Four Color Theorem True?
  by Paul C. Kainen
  
  
• Repeating Distances Between Points in the Plane
  by János Pach and Paul Erdös
  
  
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Table of Contents, January 1994 ( Vol III, Issue 3 ):

Editor's Page


New Essays



• Colorings of the Plane II
  by Nathanial Brown, Nathan Dunfield, and Greg Perry
  
  
• The Vertex-Degrees of Steiner Minimal Trees in Banach-Minkowski Spaces
  by Dietmar Cieslik
  
  
• Hamiltonian Polygons and Polyhedra
  by Branko Grünbaum
  
  
• Geombinatorics, Computational Complexity and Saving Environment: Lets Start
  by Olga Kosheleva and Vladik Kreinovich
  
  
• Polyhedral Oddity of Integral Type
  by B. M. Stewart
  
  
  Errata
  
  
• Corrections for Almost Chromatic Number of the Plane
  
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Table of Contents, April 1994 ( Vol III, Issue 4 ):

Editor's Page


New Essays



• Colorings of the Plane III
  by Nathanial Brown, Nathan Dunfield, and Greg Perry
  
  
• Distinct Distances Between Points in the Plane
  by Paul Erdös
  
  
• Stable Coloring
  by Branko Grünbaum
  
  
• The Choice Number of the Plane
  by Peter D. Johnson Jr.
  
  
• Inter-Stellar Travel and Simple Geometrical Combinatorics: How Many Trajectory Corrections are Necessary?
  by Olga Kosheleva, Vladik Kreinovich,and Ricardo Labiaga
  
  
• About a Problem Concerning Functions which
  Preserve Unit Distance
  by Alexandr V. Kuz'minykh
  
  
• Six-Realizable Set X₆
  by Alexander Soifer
  
  
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Table of Contents, July 1994 ( Vol IV, Issue 1 ):

Editor's Page


New Essays



• Colouring R^a with Respect to Different Metrics
  by Izak Broere
  
  
• Sets of Points in the Plane with Few Isosceles Triangles
  by Paul Erdös
  
  
• Quadrangles, Pentagons, and Computers, Revisited
  by Branko Grünbaum
  
  
• How to Represent Measurement Errors?
  Geombinatorics Approach
  by Vladik Kreinovich
  
  
• A Triangle-free 4-chromatic Graph in the Plane
  by Paul O'Donnell
  
  
  Letters to the Editor
  
  
• Robert Hochberg and Paul O'Donnell
  
  
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Table of Contents, October 1994 ( Vol IV, Issue 2 ):

Editor's Page


New Essays



• Geombinatoric Problems Of Environmentally Safe Manufacturing And Linear Logic
  by Daniel E. Cooke, Richard Duran, Ann Gates, and Vladik Kreinovich
  
  
• Equidistant Points In The Plane
  by Paul Erdös
  
  
• Uniform Tilings Of 3-Space
  by Brannnko Grünbaum
  
  
  Errata
  
  
• Corrections for Sets Of Points In The Plane With Few Isosceles Triangles
  
  
  Recent Books
  
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36




48



49





57



58

59

Table of Contents, January 1995 ( Vol IV, Issue 3 ):

Editor's Page


New Essays



• A 4-Chromatic Unit-Distance Graph With No Triangles
  by Kiran B. Chilakamarri
  
  
• The Parabolic 3-Space
  by Branko Grünbaum
  
  
• Which Algorithms Are Feasible And Which Are Not Depends On The Geometry of Space-Time
  by Dara Morgenstein and Vladik Kreinovich
  
  
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Table of Contents, April 1995 ( Vol IV, Issue 4 ):

Editor's Page


New Essays



• Some Problems Arising From Unit-Distance Graphs
  by Kiran B. Chilakamarri
  
  
• Squares In a Square
  by Paul Erdös and Alexander Soifer
  
  
• The Angle-side Reciprocity of Quadrangles
  by Branko Grünbaum
  
  
• Unit-Distance Preserving Theorem Is Logically
  Non-Trivial
  by Olga Kosheleva and Vladik Kreinovich
  
  
  Solutions Of Previously Published Problems
  
  
• Venn diagrams: Announcement of some new results
  by Kirran B. Chilakamarri, Peter Hamburger, Raymond E. Pippert
  
  
  New Books
  
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Table of Contents, July 1995 ( Vol V, Issue 1 ):

Editor's Page


Issai Schur, 1875-1995



• On the 120-th Anniversary of the Birth of Schur
  by Paul Erdös
  
  
• Issai Schur: Ramsey Theory before Ramsey
  by Alexander Soifer
  
  
  New Essays
  
  
• How to Convexify a Polygon
  by Branko Grünbaum
  
  
• A 40 Vertex 4-Chromatic Triangle-Free Unit Distance Graph
  by Paul O'Donnell
  
  
• Towards a Simpler Proof of the Brouwer Fixed Point Theorem
  by Joseph Zaks
  
  
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Table of Contents, October 1995 ( Vol V, Issue 2 ):

Editor's Page


New Essays



• Choosability versus Chromaticity
  by Tommy R. Jensen and Bjarne Toft
  
  
• The List-Chromatic Number of Euclidean Space
  by James H. Schmerl
  
  
• Unit-Distance Preserving Theorem is Logically Non-trivial
  by Olga Kosheleva and Vladik Kreinovich
  
  
• On the products of cross-rations on diagonals of polygons, A short note
  by Joseph Zaks
  
  
  Book Reviews
  
  
• Graph Coloring Problems,
  by Tommy R. Jensen and Bjarne Toft. Review by Alexander Soifer
  
  
  Letters to the Editor
  
  
• Letter from Prof. Dr. Berndt Wegner, Editor-in Chief, Zentralblatt für Mathematik/Mathematics Abstracts
  
  Recent Books
  
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Table of Contents, January 1996 ( Vol V, Issue 3 ):

Editor's Page


New Essays



• Lower Bounds on the Independence Number
  by Edward Bertram and Peter Horák
  
  
• About Two Definitions of the Fractional Chromatic
  Number
  by P.D. Johnson, Jr.
  
  
• The Necessity to check Consistency Explains the use of Parallelepipeds in Describing Uncertainty
  by Driss Misane and Vladik Kreinovich
  
  
• Squares in a Square II
  by Alexander Soifer
  
  
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Table of Contents, April 1996 ( Vol V, Issue 4 ):

Editor's Page


New Essays



• Distances between Points in the Plane
  by Paul Erdös
  
  
• Snaky is an Edge-to-Edge Looser
  by Heiki Harborth and Markus Seemann
  
  
• Some 4-Chromatic Unit-Distance Graphs
  Without Small Cycles
  by Robert Hochberg and Paul O'Donnell
  
  
• How to measure arbitrary distances using a given
  standard length (i.e., a stick with two marks on it):
  It is necessary, It is theoretically possible, It is feasible
  by Olga Kosheleva and Vladik Kreinovich
  
  
• Odd Integral Distances among Points in the Plane
  by Moshe Rosenfeld
  
  
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Table of Contents, July 1996 ( Vol VI, Issue 1 ):

Editor's Page


New Essays



• Nonsymmetric Rigid Polygons and the Angle-Side Reciprocity Conjeture
  by Dennis Auroux
  
  
• A New Rhombic Hexecontahedron
  by Branko Grünbaum
  
  
• Space-Time is "Square Times" More Difficult to Approximate than Euclidean Space
  by Vladik Kreinovich
  
  
• On the Independence Number of Coin Graphs
  by János Pach and Géza Tóth
  
  
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Table of Contents, October 1996 ( Vol VI, Issue 2 ):

Editor's Page


New Essays



• Selection of a Large Subset of Disjoint Figures
  by Kiril Bankov
  
  
• Earthquakes and Geombinatorics
  by Diane Doser, Mohamed Amine Khamsi, and Vladik Kreinovich
  
  
• A New Rhombic Hexecontahedron -- Once More
  by Branko Grünbaum
  
  
• Pierre Joseph Henry Baudet: Ramsey Theory before Ramsey
  by Alexander Soifer
  
  
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Table of Contents, January 1997 ( Vol VI, Issue 3 ):

Editor's Page


New Essays



• Are there many distances that occur few times?
  by Paul Erdös and János Pach
  
  
• Erdös Vignettes
  by Branko Grünbaum
  
  
• A Variation on the Erdös-Faber-Lovasz Conjecture
  by Peter Horák
  
  
• Paradoxical Order
  by Paul Kainen
  
  
• Paul Erdös - A Few Memories
  by Jaroslav Nešetril
  
  
• On the Border of Two Years: An Interview with Paul Erdös
  by Alexander Soifer
  
  
• "And you don't even have to believe in G'D
  But you have to believe that the book exists"
  by Alexander Soifer
  
  
• Poison from Erdös
  by Bohdan Zelinka
  
  
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Table of Contents, April 1997 ( Vol VI, Issue 4 ):

Editor's Page


New Essays



• Astrogeometry: Geometry Explains Shapes of Celestial Bodies
  by Andrei Finkelstein, Olga Kosheleva, and Vladik Kreinovich
  
  
• Still More Rhombic Hexecontahedra
  by Branko Grünbaum
  
  
• Embedding Graphs in Euclidean Spaces, an exploration guided by Paul Erdös
  by Jaroslav Nešetril
  
  
• In Memory of Paul Erdös Our Joint Problems in Combinatorial Geometry I
  by Alexander Soifer
  
  
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Table of Contents, July 1997 ( Vol VII, Issue 1 ):

Editor's Page


New Essays



• On Quadrangles Derived from Quadrangles
  by Branko Grünbaum
  
  
• Geometric Approach to Quark Confinement
  by Vladik Kreinovich and Piotr Wojciechowski
  
  
• In Memory of Paul Erdös Our Joint Problems in Combinatorial Geometry II
  by Alexander Soifer
  
  
• Squares inside of a Square
  by Richard Stong
  
  
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Table of Contents, October 1997 ( Vol VII, Issue 2 ):

Editor's Page


New Essays



• On Quadrangles Derived From Quadrangles
  -- Part 2
  by Branko Grünbaum
  
  
• Geometry of Errors Revisited: A Natural Way to Vector-Valued Spaces
  by Gerhard Heindl, Vladik Kreinovich and Bernadette Bouchon-Meunier
  
  
• Folding and Turning Along Geodesics in a Convex Surface
  by János Pach
  
  
• In Memory of Paul Erdös: Our Joint Problems in Combinatorial Geometry III
  by Alexander Soifer
  
  
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Table of Contents, January 1998 ( Vol VII, Issue 3 ):

Editor's Page


New Essays



• Area Bounds in Convex Lattice Polygons
  by Eberth G. Alarcon II
  
  
• Was Stonehenge an Observatory?
  by Gilbert Castillo
  
  
• On Quadrangles Derived From Quadrangles
  -- Part 3
  by Branko Grünbaum
  
  
• A Space-Time Version of Tyszka's Result
  by Misha Koshelev
  
  
• Heesch-Tiles Based on Regular Polygons
  by Peter Raedschelders
  
  
• In Memory of Paul Erdös: Our Joint Problems in Combinatorial Geometry IV
  by Alexander Soifer
  
  
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111

Table of Contents, April 1998 ( Vol VII, Issue 4 ):

Editor's Page


New Essays



• Kings on Triangular Honeycombs
  by Heiko Harborth and Peter Stark
  
  
• How to Define and Average of Several Sets? I
  by Vladik Kreinovich and Ilya Molchanov
  
  
• Sets with Integral Distances and a Coloring of Edges of an Infinite Graph
  by A. V. Kuz'minykh
  
  
• Discs in a Disc
  by Alexander Soifer
  
  
  Corrections
  
  
  Recent Books
  
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Table of Contents, July 1998 ( Vol VIII, Issue 1 ):

Editor's Page


New Essays



• On The Diameter of Sets with Maximum Number of Unit Distances
  by Peter Brass
  
  
• How Many Triangles?
  by Branko Grünbaum
  
  
• How to Define and Average of Several Sets? II
  by Vladik Kreinovich and Ilya Molchanov
  
  
• Packing Clones in Convex Figures
  by Alexander Soifer
  
  
• Chromatic-Number-Type Theorems are Logically Non-Trivial
  by Wei Wang and Olga Koshelva
  
  
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Table of Contents, October 1998 ( Vol VIII, Issue 2 ):

Editor's Page


New Essays



• Selfintersections of Polygons
  by Branko Grünbaum
  
  
• On Geometry of Radio Antenna Placements
  by Olga Koshelva
  
  
• On a Partition of Sets into Homothetic Parts
  by A. V. Kuzminykh
  
  
• A Box in a Grid
  by Werner W.A. Raffke
  
  Book Reviews
  
• The Man Who Loved Only Numbers: The Story of Paul Erdös and Search for Mathematical Truth, by Paul Hoffman.
  by Alexander Soifer
  
  
  New Books
  
  
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Table of Contents, January 1999 ( Vol VIII, Issue 3 ):

Editor's Page


New Essays



• Duplicated Distances in Subsets of Finite Planar Sets
  by Paul Erdös and Peter Fishburn
  
  
• Selfinsections of Polyarcs
  by Branko Grünbaum
  
  
• Fast Implementations of Morphological Operations Using Fast Fourier Transform (FFT)
  by Olga Kosheleva, Sergio D. Cabrera, Glenn A. Gibson, and Misha Koshelev
  
  
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Table of Contents, April 1999 ( Vol VIII, Issue 4 ):

Editor's Page


New Essays



• Heesch Tiles with Surround Numbers 3 and 4
  by Erich Friedman
  
  
• The Search for Symmetric Venn Diagrams
  by Branko Grünbaum
  
  
• Packing Triangles in Triangles
  by Alexander Soifer
  
  
• Locating the Whole Pattern is Better than Locating Its Pieces: A Geometric Explanation of an Emperical Phenomenon
  
  
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Table of Contents, July 1999 ( Vol IX, Issue 1 ):

Editor's Page


New Essays



• Monochromatic Intersection Points in Families of Numbers
  by Branko Grünbaum
  
  
• More on the Fractional Chromatic Number
  by P.D. Johnson Jr.
  
  
• Arithmetic of Complex Sets: Nickels Classical Paper Revisited From a Geometric Viewpoint
  by Vladik Kreinovich and Jurgen Wolf von Gudenberg
  
  
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