Professor Raúl Rojas has published a book about how symbols have been used throughout history in mathematics. The work was translated into English this year.

The Cooper Companies' shares dropped some 40% in 14 months due to slowing organic growth, despite efficiency gains and ...

Abstract: In this treatise, we derive tractable closed-form expressions for the outage probability of the single cell multi-carrier non-orthogonal multiple access (MC-NOMA) downlink, where the ...

Hybrid SUVs are rapidly becoming the more popular choice for new vehicle buyers in the U.S. for several reasons. As of 2025, gas prices are expected to climb even more. If we look at the dramatic rise ...

The price of coal, for its part, has a strong and highly significant negative effect (elasticity = −0.75, p < 0.001). This indicates that coal is a real substitute for electricity in household ...

State Key Laboratory of Natural and Biomimetic Drugs, New Cornerstone Science Laboratory, Chemical Biology Center, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China ...

ONDCP leads and coordinates the nation’s drug policy so that it improves the health and lives of the American people. ONDCP is responsible for the development and implementation of the National Drug ...

This repo contains a list of disposable and temporary email address domains often used to register dummy users in order to spam or abuse some services. We cannot guarantee all of these can still be ...

Abstract: An improved variable step size LMS algorithm based on logarithmic function is proposed. By improving the nonlinear-function relationship between the step ...

Equality has to do with giving everyone the exact same resources. Equity involves distributing resources based on the needs of the recipients. On the left side of the illustration above, for example, ...