Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Abstract: Visualization by ground penetrating radar (GPR) systems has a wide demand in various application fields. Our conventional visualization method mainly extracts feature vectors based on the ...

Abstract: For interpolated discrete Fourier transform (IpDFT)-based phasor estimators, the out-of-band interference (OOBI) test is among the most challenging ones. The typical iterative-interpolated ...

Summary: The Ministry of Corporate Affairs (MCA) has launched an updated AOC-4 form on the V3 portal for the financial year ending March 31, 2025, introducing changes to enhance compliance and data ...

Sir Keir Starmer has vowed to fight "hate in all its forms" in a statement to the House of Commons. Addressing MPs earlier, the prime minister condemned the "despicable" attack on the mosque in ...