More than a thousand years ago, astronomers from the Maya civilization developed one of the most sophisticated time-keeping ...

It took a long time for zero to be recognised as a number at all, let alone one of the most powerful ones – but now it’s ...

Abstract: The introduction of Halpern and Shoham's modal logic of intervals (later on called HS) dates back to 1986. Despite its natural semantics, this logic is undecidable over all interesting ...

Mikel Arteta hailed Eberechi Eze for repaying a chunk of his £67.5million transfer fee following his winning strike in Arsenal's 1-0 victory over Crystal Palace. Eze fired home against his old club ...