Abstract: The Nelder-Mead simplex method is a well-known algorithm enabling the minimization of functions that are not available in closed-form and that need not be differentiable or convex.

Ammonia is an essential chemical used across many industries worldwide. Beyond its traditional role as a fertilizer, it is also a promising liquid hydrogen carrier and low-carbon fuel that could help ...

This paper proposes an exact method to solve an integer indefinite quadratic bilevel problem with multiple objectives at the upper level, where the objective functions at both levels are a product of ...

The original version of this story appeared in Quanta Magazine. In 1939, upon arriving late to his statistics course at UC Berkeley, George Dantzig—a first-year graduate student—copied two problems ...

A brief overview of the company. An outline of products or technologies developed by the company that serve both civilian and military or security-related purposes. A summary of strategic ...

A new study by Shanghai Jiao Tong University and SII Generative AI Research Lab (GAIR) shows that training large language models (LLMs) for complex, autonomous tasks does not require massive datasets.

Anglo American shipping boss Peter Lye is happy with his Ubuntu fleet of 10 LNG dual-fuel capesize bulkers in terms of sustainability. “We think they are the most efficient ships on the water,” he ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

According to the American Cancer Society, about 22,000 new esophageal cancer cases were diagnosed in 2025 in the U.S., and over 16,000 deaths were attributed to the disease. Risk factors for this ...

A new research partnership between the Department of Energy’s Oak Ridge National Laboratory (ORNL) and manufacturer JuggerBot 3D aims to develop a single 3D printing system for both thermoset and ...

College of Artificial Intelligence, Tianjin Normal University, Tianjin 300387, China Tianjin Key Laboratory of Wireless Mobile Communications and Power Transmission, Tianjin Normal University, Tianjin ...