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

Abstract: Ocular diseases cover a broad spectrum of conditions impacting eye health and functions, potentially resulting in vision impairment or blindness. Common eye diseases include cataracts, ...

The Alberta government is introducing the class size and complexity task force. Premier Danielle Smith shares a bit about what this will look like. David Eby says British Columbia's anti-tariff ads, ...

Abstract: The Zak transform can directly map signals from the delay-Doppler domain to the time domain, which has a relatively low complexity for orthogonal time frequency space (OTFS) signal ...