Mathematicians Build Long-Awaited Graph Sandwich

The proof of a decades-old conjecture has given researchers a new way to understand complex networks.

The short version

• The post Mathematicians Build Long-Awaited Graph Sandwich first appeared on Quanta Magazine.
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What happened

In 2004, two mathematicians hypothesized a powerful kind of sandwich. They were studying graphs, which are collections of points (called vertices) and lines (called edges).

Why it matters

Graphs might represent anything from social groups to the internet to neurons in the brain.

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