Let X be a standard Brownian motion. We show that for any locally square integrable function f the quadratic covariation [f (X), X] exists as the usual limit of sums converging in probability. For an ...

Before the mayor of San Jose, Calif., arrives at a ribbon-cutting ceremony for a new business, his aides ask ChatGPT to help draft some talking points.

Red Bull Racing driver Max Verstappen has opened up on the sudden ousting of his former team boss Christian Horner.

Is Ryan Day a genius or could anyone win at Ohio State? We break down 20 years of sideline overachievers.

The Finals developer Embark Studios has responded to criticism from voice actors and developers after it was slammed for using AI voice overs in its hit shooter.

Women's dating advice app Tea victim of major data breach exposing over 70,000 photos The women's dating app Tea was targeted by hackers who accessed thousands of user photos, though phone numbers ...