Truth, Like Water, Finds Its Way Out – By Alexander Soifer
The Secretive Life of the International Mathematics Union
Truth, like water, will find its way out: My Response to Günter Ziegler and the Deutsche Mathematiker-Vereinigung – By Alexander Soifer
Siegmund-Schultze Proposal of German Monopoly on the Third Reich History; by Alexander Soifer
The case of Dr. Danut Marcu
April’s Issue 1 of Volume XXVIII was a Special Issue with pioneering essays by Aubrey D.N.J. de Grey, who constructs the first ever 5-chromatic unit-distance graph; Marijn J.H. Heule, who sets 6 consecutive world records in reducing the size of such graphs; and Geoffrey Exoo and Dan Ismailescu, who are arming themselves – and us – with tools for the next big step.
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This is Exoo’s and Ismailescu’s triangle-free, 4 chromatic unit distance graph of order 17 – a World Record.
It comes from the essay “Small Order Triangle-Free 4 Chromatic Unit Distance Graphs” that appear in the October issue (2) of Volume XXVI.