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neural networks

The Physical Process That Powers a New Type of Generative AI

By Steve Nadis
September 19, 2023
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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.

quantum computing

Machine Learning Aids Classical Modeling of Quantum Systems

By Lakshmi Chandrasekaran
September 14, 2023
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By using “classical shadows,” ordinary computers can beat quantum computers at the tricky task of understanding quantum behaviors.

explainers

Alan Turing and the Power of Negative Thinking

By Ben Brubaker
September 5, 2023
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Mathematical proofs based on a technique called diagonalization can be relentlessly contrarian, but they help reveal the limits of algorithms.

artificial intelligence

The AI Tools Making Images Look Better

By Amos Zeeberg
August 23, 2023
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Researchers have discovered ways around a fundamental trade-off between accuracy and beauty in digital images.

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computational complexity

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

By Ben Brubaker
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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.

algorithms

Risky Giant Steps Can Solve Optimization Problems Faster

By Allison Parshall
August 11, 2023
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New results break with decades of conventional wisdom for the gradient descent algorithm.

Q&A

The Cryptographer Who Ensures We Can Trust Our Computers

By Allison Parshall
July 27, 2023
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Yael Tauman Kalai’s breakthroughs secure our digital world, from cloud computing to our quantum future.

Illustration of a lady walking through a hedge maze, with a man sweeping up her footprints.
quantum computing

To Move Fast, Quantum Maze Solvers Must Forget the Past

By Ben Brubaker
July 20, 2023
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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.

geometry

Mathematicians Solve Long-Standing Coloring Problem

By Anna Kramer
July 19, 2023
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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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