On the Four-Color-Map Theorem
arXiv:hep-th/0312121
Abstract
Coloring planar Feynman diagrams in spinor quantum electrodynamics, is a non trivial model soluble without computer. Four colors are necessary and sufficient.
8 pages
arXiv:hep-th/0312121
Coloring planar Feynman diagrams in spinor quantum electrodynamics, is a non trivial model soluble without computer. Four colors are necessary and sufficient.
8 pages