Abstract: Nonsmooth phenomena, such as abrupt changes, impacts, and switching behaviors, frequently arise in real-world systems and present significant challenges for traditional optimal control ...

Wall Street's apprehension about the cost of developing artificial intelligence technology has been simmering beneath the surface of the stock market for months. Now it's starting to boil over.

The US Justice Department on Friday released a large batch of files related to its investigation into financier Jeffrey Epstein, reviving claims involving Microsoft co-founder Bill Gates, including ...