The graph colouring problem, a classic NP-hard challenge, is central to many practical applications such as scheduling, resource allocation and network management. Recent advances have seen the ...
Fifty years ago, Paul Erdős and two other mathematicians came up with a graph theory problem that they thought they might solve on the spot. A team of mathematicians has finally settled it. In the ...
The color palettes extracted from fine art paintings. The study of color is undergoing a revolution. Until now, color theory has been little more than a collection of ideas based loosely on science.
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