Scientists in China have leveraged AI to solve Isaac Newton's kissing number problem in dimensions 25-31, where work had stalled before.

How Widespread Are The iOS 26.2.1 Problems? First, be reassured that so far the numbers of people reporting issues is very small. I have been checking responses carefully since the update appeared and ...

Five years ago, mathematicians Dawei Chen and Quentin Gendron were trying to untangle a difficult area of algebraic geometry involving differentials, elements of calculus used to measure distance ...

Abstract: Combinatorial optimization problems are frequently classified as NP-hard, which means that the time needed to find the optimal solution generally increases exponentially with the problem ...

A new analysis shows that just 32 fossil fuel companies were responsible for half of global carbon dioxide emissions in 2024. A relatively small group of producers continues to extract and sell the ...

Abstract: We consider the optimal regulation problem for nonlinear control-affine dynamical systems. Whereas the linearquadratic regulator (LQR) considers optimal control of a linear system with ...

The iOS 26.2.1 update that Apple released today further addresses an issue preventing some older mobile phones from being able to make emergency calls. Back in December, there was a technical failure ...