Table of Contents Vol XXVI (July – April; 2016 to 2017)

Geombinatorics

A quarterly journal on open problems of combinatorial and discrete geometry and related areas.

 


July 2016 – April 2017

Issue 1, Issue 2, Issue 3, Issue 4



Table of Contents

July 2016 (Volume XXVI, Issue 1)

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

New Essays

  • Non-Tiles and ‘Walls’ – a Variant on the Heesch Problem………………………………………………5
    By Erich Friedman and R. Nandakumar
  • Are All Convex Polyhedra Fully Truncable?………………………………………………………………….12
    By Branko Grünbaum
  • The Maximum Crossing Number of the Petersen Graph……………………………………..………..16
    By Heiko Harborth
  • Coloring Euclidean Spaces So That All Translates of a Given Set Are Rainbow…………….….23
    By Peter Johnson and John Ryan
  • A Taste for Duality: Erdös, dilworth, Gallai, Milgram, and Mirsky………………………………….30
    By Alexander Soifer

 


Table of Contents

October 2016 (Volume XXVI, Issue 2)

Editors Page……………………………………………………………………………………………48

New Essays

  • Covering Number Product Bound Size……………………………………….65
    By Paul Kainen
  • Big Data: A Geometric Explanation of a Seemingly Counterintuitive Strategy…………………………………………………………………………..71
    By Olga Kosheleva and Vladik Kreinovich
  • Graphs with No Grid Obstacle Representation……………………………………………………………….….80
    By János Pach
  • To Walk the Talk: A Letter to the President of IMU Shigefumi Mori…………………………………………………………………………….….84
    By Alexander Soifer

 



Table of Contents

January 2017 (Volume XXVI, Issue 3)

Editors Page……………………………………………………………………………………………96

New Essays

  • Golden Triangulations ……………………………………………………………………………………97
    By Bruce Atkinson and Braxton Carrigan
  • A Unit Distance Graph in the Plane with
    Fractional Chromatic Number 383/102 …………………………………………………………………………………..122
    By Geoffrey Exoo and Dan Ismailescu
  • Mobilizing Ambiguity of Populism, A Review of “The Third Reich Sourcebook,”
    Anson Rabinbach and Sander L. Gilman (editors)…………………………………………………………………………128
    By Alexander Soifer

Recent Books……………………………………………………………………………135


 Table of Contents 

April 2017 (Volume XXVI; Issue 4)

Editor’s Page………………….…………………….…………140

New Essays

  • On Some Indiscretions in the Mathematical Community
    of Russia: A Ballad in 12 Movements ………….………………159
    by Alexander Soifer

Errata……………………………………….………………178

Subscription Form…………….……….……….……….….179