Operator theory
Operator theory In mathematics, operator theory is the branch of functional analysis which ... interplay between them. These extend the spectral theory for bounded operators. Single operator theory ...
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Spectrum (operator theory)   (translated from German)
Spectrum (operator theory) That Spectrum one (linear) operator is a term from that Funktionalanalysis one ... in the infinite-dimensional becomes in that Operator theory regarded. The spectrum operator can one ...
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Category:Operator theory
Category:Operator theory Operator theory is the branch of functional analysis which ... interplay between them. These extend the spectral theory, for bounded operators. The main article ...
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Integral Equations and Operator Theory
Integral Equations and Operator Theory Integral Equations and Operator Theory is a journal dedicated to operator theory and its applications to engineering ...
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Operator
Operator This article is about operators in mathematics, for other kinds of operators see operator (disambiguation). In mathematics, an operator is a function that performs some sort ... on another function. For instance the D operator, when placed before a differentiable function f ... abstraction To begin with, the usage of operator in mathematics is subsumed in the ...
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Hecke operator
Hecke operator In mathematics, in particular in the theory of modular forms, a Hecke operator is a certain kind of 'averaging' operator that plays a significant role in the ... the most significant basic fact of the theory is that these are commutative rings. ...
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Perturbation theory   (translated from German)
Perturbation theory Those Perturbation theory is a physical method, those the effect ... solutions supply. However the method of perturbation theory does not only supply convergent ones, thus ... physically unreasonable divergente rows. Mathematical explanation Perturbation theory can be used in systems, with those that Hamilton operator H linear of a size depends, ...
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BCS theory   (translated from Japanese)
BCS theory BCS theory superconductivity . Table of contents BCS theory 1911 year 、Mosquito marine on NessIt was ... discovery, 1957 year and バーディン,Kuu perThe theory which explains the superconductivity which is lectured ... gravitation works in the electron. With BCS theory the electron - through lattice interaction, the ...
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System theory   (translated from German)
System theory System theory is an interdisciplinary Realization model, in that ... mathematically imagable. The terms of the system theory become in most diverse scientific disciplines used. The system theory wants to explain physical, biological, psychological and social phenomena. Into the system theory realizations flow out Informatik , Physics, Biologie , ...
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Possibility theory
Possibility theory Possibility theory is a mathematical theory for dealing with certain types of uncertainty and is an alternative to probability theory. Professor Lotfi Zadeh first introduced possibility theory in 1978 as an extension of ...
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