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Definition. Formally, an exchangeable sequence of random variables is a finite or infinite sequence X1 , X2 , X3 , ... of random variables such that for any finite permutation σ of the indices 1, 2, 3, ..., (the permutation acts on only finitely many indices, with the rest fixed), the joint probability distribution of the permuted sequence.
With Diffie-Hellman key exchange, two parties arrive at a common secret key, without passing the common secret key across the public channel. Diffie–Hellman (DH) key exchange [nb 1] is a mathematical method of securely exchanging cryptographic keys over a public channel and was one of the first public-key protocols as conceived by Ralph Merkle and named after Whitfield Diffie and Martin Hellman.
The foreign exchange market ( forex, FX (pronounced "fix"), or currency market) is a global decentralized or over-the-counter (OTC) market for the trading of currencies. This market determines foreign exchange rates for every currency. It includes all aspects of buying, selling and exchanging currencies at current or determined prices.
President George W. Bush at the CME on March 6, 2001. CME Group Inc. is a financial services company. Headquartered in Chicago, the company operates financial derivatives exchanges including the Chicago Mercantile Exchange, Chicago Board of Trade, New York Mercantile Exchange, and The Commodity Exchange. The company also owns 27% of S&P Dow ...
Distribution list. A distribution list [1] is an application of email client programs that allows a user to maintain a list of email addresses and send messages to all of them at once. This can be referred to as an electronic mailshot. Sending mail using a distribution list differs from an electronic mailing list or the email option found in an ...
International Distribution Services plc. International Distribution Services plc (formerly Royal Mail Limited, Royal Mail plc and International Distributions Services plc) is a British company providing postal and courier services. The UK government initially retained a 30% stake in the company, [ 4] but sold its remaining shares in 2015. [ 5]
An economic system, or economic order, [1] is a system of production, resource allocation and distribution of goods and services within a society. It includes the combination of the various institutions, agencies, entities, decision-making processes, and patterns of consumption that comprise the economic structure of a given community.
Create distribution lists to save time when you send emails to a group of contacts from the contacts you already have in your AOL Contacts, set up a contact list with a group of people you often send emails. For example, you email the same content to 3 friends every week. Instead, create a contact list called "Friends". Send one email to your ...