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Danish-led team produces new proof of century-old four-color theorem

New four-color proof yields more efficient algorithm and graph insights

Quanta Magazine reports that the new proof, despite being computationally complex, provides a far more efficient way to color maps and uncovers new insights into planar graph properties that may enable progress on other stubborn graph theory problems. The team will present findings at the November Foundations of Computer Science conference.

New four-color proof yields more efficient algorithm and graph insights
quantamagazine.org

“For such a simple statement, there must be a simpler reason why it is true. Or at least a more efficient way to demonstrate it.”

Mikkel Thorup

Mikkel Thorup Computer scientist, University of CopenhagenCarsten Thomassen Graph theorist, Technical University of DenmarkKen-ichi Kawarabayashi MathematicianBojan Mohar MathematicianGeorges Gonthier Computer scientist, Inria Paris

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What was reported 1 claim about this development

  1. first by Quanta Magazine, 13d ago · also HN Frontpage, Quanta

What people said 3 voices · verbatim

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