ScienceThe four-color theorem, from computer-assisted controversy to a new algorithm
Quanta Magazine says a 2026 algorithm offers new insights into graphs, decades after the theorem’s controversial computer-assisted solution.
TLDR
Quanta Magazine reports that the four-color theorem was controversially solved with computer help in the 1970s. Its podcast explores an algorithm produced in 2026 that it says improves on that work and offers new insights into the nature of graphs.
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The four-color theorem, from computer-assisted controversy to a new algorithm
Quanta Magazine says a 2026 algorithm offers new insights into graphs, decades after the theorem’s controversial computer-assisted solution.
TLDR
Quanta Magazine reports that the four-color theorem was controversially solved with computer help in the 1970s. Its podcast explores an algorithm produced in 2026 that it says improves on that work and offers new insights into the nature of graphs.