Vol XXVII 2017 – 2018

Vol XXVII 2017 – 2018

Geombinatorics

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


July 2017 – April 2018

Issue 1, Issue 2Issue 3Issue 4


Table of Contents

July 2017 (Volume XXVII, Issue 1)

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

New Essays

  • The Secretive Life of the International Mathematics Union………20
    by Alexander Soifer

 

Table of Contents

October 2017 (Volume XXVII, Issue 2)

Editor’s Page………………….…………………….………………..…………..52

New Essays

  • Yes, No, or Maybe? 3-partitions of the set of isomorphism classes of convex polyhedra……71
    by Branko Grünbaum
  • A Very Short Proof of a Well-known Fact About
    Circles in the Plane…………………………………………………….65
    by Peter Johnson and Matt Noble
  • Why the presence of point-wise (“punctate”) calcifications or linear configurations of calcifications
    makes breast cancer more probable: a geometric explanation………………………….78
    by Olga Kosheleva and Vladik Kreinovich
  • An Open Letter to All Nine Rolf Nevanlinna Prize Laureates …………………………..84
    by Alexander Soifer

 

Table of Contents

January 2018 (Volume XXVII, Issue 3)

Editor’s Page………………….…………………….……………96

New Essays

  • The Maximum Size of Subsets Forbidding Cyclic Arithmetic Progressions………….103
    by Kenneth Berglund
  • Laureates on Their Rolf Nevanlinna Prize and the Secrecy IMU President Shigefumi Mori…………………….121
    by Alexander Soifer
  • Coconut Update…………………………………………………………………126
    by John E. Wetzel
  • On Odd Sums’ Properties of Integers…………………………………129
    by Joseph Zaks and Ayal Zaks

 

Table of Contents

April 2018 (Volume XXVII, Issue 4)

Editor’s Page………………….…………………….……………136

New Essays

  • On 2-Coloring the Integers to Forbid a Distance and
    Monochromatic Translates of a Triangle………………………..137
    by Kyle Binder

 

 

  • Have the Russians Infiltrated Congressus Numerantium? …………….162
    by Alexander Soifer