𝔖 Bobbio Scriptorium
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Hegaard diagrams and colored polyhedra

✍ Scribed by M. L. Starets


Book ID
105071135
Publisher
Springer US
Year
1979
Tongue
English
Weight
749 KB
Volume
12
Category
Article
ISSN
1573-8795

No coin nor oath required. For personal study only.


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In the summer of 1976 Kenneth Appel and Wolfgang Haken of the University of Illinois announced that they had solved the Four-Color Problem. Suddenly what had been known to several generations of mathematicians as the Four-Color Conjecture had become the Four-Color Theorem.Since it had been a conject