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The Physical Process That Powers a New Type of Generative AI

September 19, 2023

Some modern image generators rely on the principles of diffusion to create images. Alternatives based on the process behind the distribution of charged particles may yield even better results.

Machine Learning Aids Classical Modeling of Quantum Systems

September 14, 2023

By using “classical shadows,” ordinary computers can beat quantum computers at the tricky task of understanding quantum behaviors.

Alan Turing and the Power of Negative Thinking

September 5, 2023

Mathematical proofs based on a technique called diagonalization can be relentlessly contrarian, but they help reveal the limits of algorithms.

The AI Tools Making Images Look Better

August 23, 2023

Researchers have discovered ways around a fundamental trade-off between accuracy and beauty in digital images.

Complexity Theory’s 50-Year Journey to the Limits of Knowledge

August 17, 2023

How hard is it to prove that problems are hard to solve? Meta-complexity theorists have been asking questions like this for decades. A string of recent results has started to deliver answers.

Risky Giant Steps Can Solve Optimization Problems Faster

August 11, 2023

New results break with decades of conventional wisdom for the gradient descent algorithm.

Q&A

The Cryptographer Who Ensures We Can Trust Our Computers

July 27, 2023

Yael Tauman Kalai’s breakthroughs secure our digital world, from cloud computing to our quantum future.

To Move Fast, Quantum Maze Solvers Must Forget the Past

July 20, 2023

Quantum algorithms can find their way out of mazes exponentially faster than classical ones, at the cost of forgetting the path they took. A new result suggests that the trade-off may be inevitable.

Mathematicians Solve Long-Standing Coloring Problem

July 19, 2023

A new result shows how much of the plane can be colored by points that are never exactly one unit apart.

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