representation theory

(redirected from Group representation)
Also found in: Wikipedia.

representation theory

[‚rep·ri‚zen′tā·shən ‚thē·ə·rē]
(mathematics)
The study of groups by the use of their representations.
The determination of representations of specific groups.
(quantum mechanics)
Quantum-mechanical device in which one selects the common eigenfunctions of a complete set of quantum-mechanical operators as a basis of vectors in a Hilbert space, and expresses wave functions and operators in terms of column matrices and square matrices, respectively, which correspond to this basis.
References in periodicals archive ?
Jan Vapaavuori, EIB Vice-President responsible for operations in Denmark, said: The new EIB Group representation will allow us to better assess and respond to the financing needs in Denmark.
According to a report by the Electoral Boundaries Review Committee in July, 29 electoral divisions have been recommended, comprising 13 Single Member Constituencies ( SMCs) and 16 Group Representation Constituencies (GRCs), with a total of 89 members of parliament (MPs) to be returned, two more than the current batch of 87.
Glass Lewis"), the leading independent proxy advisory and corporate governance firms, which recommended "AGAINST" giving the Kellogg Group representation on the MFC board that is grossly disproportionate to its ownership.
Additonaly, the Finance Minister announced that a mechanism has been set up headed by Dr Shome, which will allow group representation hearings on tax issues.
Group representation, feminist theory, and the promise of justice.
It was eventually decided that Alex Murphy, Eric Ashton, Gus Risman, Billy Boston and Martin Offiah would be honoured as a group representation.
Collective consultation is all about group representation and therefore the first step is to invite the employees to elect representatives unless there are already established representatives in place like a recognised trade union.
It is a measure of the nation's stock of capital, as well as a gauge of future business and consumer confidence levels, Companies are chosen based on market size, liquidity and industry group representation, and component companies are periodically replaced (www.
The S & P 500, which is considered a benchmark of performance of the overall stock market, is an index of 500 stocks chosen by Standard & Poor's for their market size, liquidity and industry group representation.
PMC-Sierra is included in the S&P 500 Index which consists of 500 stocks chosen for market size, liquidity, and industry group representation and in the NASDAQ-100 Index (NDX) which contains the largest non-financial companies on the NASDAQ Stock Market.
It represents voters' endorsement of ``equal opportunity for all individuals,'' as opposed to ``entitlement based on group representation.
The simplistic belief that any credible member of a group can automatically represent that group's interests feeds a tendency to reduce political objectives to a plea for group representation on decisionmaking bodies or in other councils of power.

Full browser ?