Abstract: Analytic combinatorics in several variables is a branch of mathematics that deals with deriving the asymptotic behavior of combinatorial quantities by analyzing multivariate generating ...

Combinatorial structures encompass an array of discrete objects—permutations, set partitions, matchings, trees and lattice paths—whose enumeration and intrinsic properties are often captured by ...

CEDAR RAPIDS, Iowa (KCRG) - Alliant Energy is planning a new natural gas-powered generating station in Cedar Rapids, a move the company says will help meet customer demand while supporting a broader ...

Elon Musk was forced to put restrictions on X and its AI chatbot, Grok, after its image generator sparked outrage around the world. Grok created non-consensual sexualized images, prompting some ...

Late Thursday, Mr. Musk’s chatbot, Grok, limited requests for A.I.-generated images on X to paid subscribers of the social media site amid an outcry from victims and regulators. By Kate Conger and ...

A WIRED review of outputs hosted on Grok’s official website shows it’s being used to create violent sexual images and videos, as well as content that includes apparent minors. Unlike on X, where ...

Ocean waves could be an enormous source of power for the grid: In the U.S., the motion of waves along coastlines could generate as much as 1.4 trillion kilowatt-hours a year, or around a third of the ...

Five years down, about three more to go to complete the dismantlement of the San Onofre Nuclear Generating Station. “When we started in 2020, we said it would be about eight years,” said Ron Pontes, ...

We walk here, we walk there, we walk everywhere. Maybe you’re headed to work or to lunch in a busy city. You’re expending energy, and the exercise is good for you. But what if, on top of that, we ...

Solar and wind accounted for 91% of new US electrical generating capacity added in the H1 2025, according to data just released by the Federal Energy Regulatory Commission (FERC), which was reviewed ...

A team has discovered how certain bacteria breathe by generating electricity, using a natural process that pushes electrons into their surroundings instead of breathing on oxygen. The findings could ...