Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. The Citi Premier® Card is no longer available to new applicants. Most people would love to just use one ...

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 ...

Marshall Hargrave is a stock analyst and writer with 10+ years of experience covering stocks and markets, as well as analyzing and valuing companies. A merger combines two companies into one.

Abstract: This paper gives a nearly tight characterization of the quantum communication complexity of permutation-invariant Boolean functions. With such a characterization, we show that the quantum ...