- expectation operator
- мат. оператор математического ожидания
Большой англо-русский и русско-английский словарь. 2001.
expectation operator
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Expectation value (quantum mechanics) — In quantum mechanics, the expectation value is the predicted mean value of the result of an experiment. It is a fundamental concept in all areas of quantum physics. Operational definition Quantum physics shows an inherent statistical behaviour:… … Wikipedia
Operator (mathematics) — This article is about operators in mathematics. For other uses, see Operator (disambiguation). In basic mathematics, an operator is a symbol or function representing a mathematical operation. In terms of vector spaces, an operator is a mapping… … Wikipedia
Vacuum expectation value — Quantum field theory (Feynman diagram) … Wikipedia
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Order operator — In quantum field theory, an order operator or an order field is a quantum field version of Landau s order parameter whose expectation value characterizes phase transitions. There exists a dual version of it, the disorder operator or disorder… … Wikipedia
Dangerously irrelevant operator — In statistical mechanics and quantum field theory, a dangerously irrelevant operator (or dangerous irrelevant operator) is an operator which is irrelevant, yet affects the infrared physics significantly because the vacuum expectation value of… … Wikipedia
Expected value — This article is about the term used in probability theory and statistics. For other uses, see Expected value (disambiguation). In probability theory, the expected value (or expectation, or mathematical expectation, or mean, or the first moment)… … Wikipedia
Stein's method — is a general method in probability theory to obtain bounds on the distance between two probability distributions with respect to a probability metric. It was introduced by Charles Stein, who first published it 1972,[1] to obtain a bound between… … Wikipedia
Moment (mathematics) — Second moment redirects here. For the technique in probability theory, see Second moment method. See also: Moment (physics) Increasing each of the first four moments in turn while keeping the others constant, for a discrete uniform distribution… … Wikipedia
Mixing (mathematics) — In mathematics, mixing is an abstract concept originating from physics: the attempt to describe the irreversible thermodynamic process of mixing in the everyday world: mixing paint, mixing drinks, etc. The concept appears in ergodic theory the… … Wikipedia
