Bojan Mohar

Mathematician at Simon Fraser University

Appears in 1 story

Born: September 21, 1956, Novo Mesto

Education: University of Ljubljana

Last updated Nov 1, 2026

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New proof of four-color theorem runs in near-linear time

New Capabilities

As of September 2026: Co-author on the new proof

The four-color theorem says any map can be colored with four colors so no neighboring regions match. A team of six mathematicians posted a new proof in March 2026 that colors any planar graph in near-linear time, down from quadratic in the previous accepted proof.

Updated Sep 11