Table of Contents (July 2015) Volume XXV; Issue 1

 

Geombinatorics

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


July 2015 – April 2016

Issue 1, Issue 2, Issue 3, Issue 4


Table of Contents

July 2015 (Volume XXV, Issue 1)

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

New Essays

  • A Simple Geometric Model Provides a
    Possible Quantitative Explanation of the
    Advantages of Immediate Feedback in
    Student Learning……………………………………………………………………………….22
    By Octavio Lerma, Olga Kosheleva, and
    Vladik Kreinovich
  • Coloring Regions on a Sphere to Forbid the
    Unit Distance…………………………………………………………………………..………..30
    By Christopher Maier
  • Weighted Erdös-Mordell Inequality for
    Star-shaped Polygons……………………………………………………………………..….36
    By Moshe Rosenfeld and Tran Nhat Tan

Reviews

  • A Book is Born: “Topics in Chromatic Graph Theory”
    By Robin J. Wilson and Lowell W. Beineke (ed’s)………………………………..….45
    By Alexander Soifer

Subscription Form……………………………………………………………………………..47

 

Table of Contents

October 2015 (Volume XXV, Issue 2)

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

New Essays

  • Are All Convex Polyhedra Tetragonalizable? …………………..56
    by Branko Grünbaum
  • A Very Short Proof of a Well-known Fact About
    Circles in the Plane…………………………………………………….65
    by Peter Johnson and Matt Noble
  • A Feasible Algorithm for Checking n-Scissors
    Congruence of Polyhedra in Rd……………….…….……………..70
    by Olga Kosheleva and Vladik Kreinovich
  • Truth, like water, will find its way out:
    My Response to Günter M. Ziegler and
    the Deutsche Mathematiker-Vereinigung …….…………………76
    by Alexander Soifer

Subscription Form…………….……….……….…..……………..87

 

Table of Contents

January 2016 (Volume XXV, Issue 3)

Editor’s Page………………….…………………….……………92
New Essays
On a 3-Uniform Hypergraph Coloring
Problem in the Integers……………………………………….….93
by Loren Anderson and Peter D. Johnson Jr.

On Visible Tilings………………………………………………………………103
by J.R. Burt, William Staton and Benton Tyler

Coloring the Real Line with Monochromatic Intervals………………………..………………………………….113
by Doyon Kim

Why Injecting Fine Dust into a Tornado is more
Promising than Injecting Coarse Dust:
A Geometric Explanation……………….………….…………….118
by Octavio Lerma, Olga Kosheleva and
Vladik Kreinovich

Should We Accept the German Proposal of Their Monopoly
on the Third Reich History?
A Response to Reinhard Siegmund-Schultze……………..……123
by Alexander Soifer

Recent Books 133