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How Does Graph Theory Shape Our World?

June 26, 2025

Maria Chudnovsky reflects on her journey in graph theory, her groundbreaking solution to the long-standing perfect graph problem, and the unexpected ways this abstract field intersects with everyday life.

AI Is Nothing Like a Brain, and That’s OK

April 30, 2025

The brain’s astounding cellular diversity and networked complexity could show how to make AI better.

New Proof Settles Decades-Old Bet About Connected Networks

April 18, 2025

According to mathematical legend, Peter Sarnak and Noga Alon made a bet about optimal graphs in the late 1980s. They’ve now both been proved wrong.

What Is Distributed Computing?

November 25, 2024

Our computers can get a lot more done when they share the load with other machines.

Math That Lets You Think Locally but Act Globally

July 21, 2023

Knowing a little about the local connections on flight maps and other networks can reveal a lot about a system’s global structure.

Bob Metcalfe, Ethernet Pioneer, Wins Turing Award

March 22, 2023

The American researcher was recognized for his central role in inventing, standardizing and commercializing the ubiquitous networking technology.

Finally, a Fast Algorithm for Shortest Paths on Negative Graphs

January 18, 2023

Researchers can now find the shortest route through a network nearly as fast as theoretically possible, even when some steps can cancel out others.

Q&A

The Computer Scientist Who’s Boosting Privacy on the Internet

October 18, 2022

Harry Halpin wants our internet conversations to be more private. He’s helped create a new kind of network that might make it possible.

For His Sporting Approach to Math, a Fields Medal

July 5, 2022

With Hugo Duminil-Copin, thinking rarely happens without moving. His insights into the flow-related properties of complex networks have earned him the Fields Medal.

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