Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Robert Kelly is managing director of ...

People in measure theory find it best to work with, not arbitrary measurable spaces, but certain nice ones called standard Borel spaces. I’ve used them myself. a finite or countably infinite set with ...

Pythagoras Theorem: The Pythagoras Theorem is a fundamental principle in geometry, attributed to the ancient Greek mathematician Pythagoras. This theorem establishes a relationship between the sides ...

Due to a planned power outage on Friday, 1/14, between 8am-1pm PST, some services may be impacted. A line drawing of the Internet Archive headquarters building façade. An illustration of a magnifying ...

You might be surprised to learn that you can’t comb the hairs flat on a coconut without creating a cowlick. Perhaps even more surprising, this silly claim with an even sillier name, the “hairy ball ...

Maxine Calle is a 2023 AAAS Mass Media Fellow at The Conversation U.S. and she receives funding from the National Science Foundation. David Bressoud does not work for, consult, own shares in or ...

A mousy math prodigy battles sexism, romantic disillusion and entrenched academic prejudice as she solves for x in a movie that cannot solve for why. Marguerite Hoffman (Ella Rumpf, “Raw”) is a ...

Determining the satisfiability of Boolean constraint-satisfaction problems with different types of constraints, that is hybrid constraints, is a well-studied problem with important applications. We ...

Abstract: A sound and complete Gentzen-typed deduction system is given for a Boolean algebra logic, where the logical connective - is missed and an assignment is a function from the propositional ...