The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

Abstract: Most existing DOA estimation methods assume ideal source incident angles with minimal noise. Moreover, directly using pre-estimated angles to calculate weighted coefficients can lead to ...

Most forms of income count as taxable — but not all. Here’s how to calculate yours and some ways to reduce your liability. Many, or all, of the products featured on this page are from our advertising ...

Maths Week 2025 is Ireland's annual celebration of mathematics and numeracy is running until Sunday, 19 October and we are here to sum up the great fun ways to learn maths at school. And it's a ...

For decades, investing in a low-cost S&P 500 ETF has been the foundation of a sound, long-term financial strategy. The promise was simple: instant diversification across the American economy. However, ...

Abstract: With the acceleration of globalization, the development of the tourism industry increasingly relies on cross-border collaboration, and the digital economy can provide new opportunities for ...

Global carmakers brace for production cuts on chip shortage Orbán to press Trump for Hungary’s exemption from new US sanctions on Russian oil Built in the shadows and launched at night, Ukraine’s long ...

JERUSALEM — Numbers alone cannot capture the toll the Israel-Hamas war has taken on the Gaza Strip. But they can help us understand how thoroughly the conflict has upended the lives of 2.1 million ...