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  2. Discrete Fourier transform over a ring - Wikipedia

    en.wikipedia.org/wiki/Discrete_Fourier_transform...

    The number-theoretic transform (NTT) [4] is obtained by specializing the discrete Fourier transform to = /, the integers modulo a prime p. This is a finite field , and primitive n th roots of unity exist whenever n divides p − 1 {\displaystyle p-1} , so we have p = ξ n + 1 {\displaystyle p=\xi n+1} for a positive integer ξ .

  3. Trade Unionist and Socialist Coalition - Wikipedia

    en.wikipedia.org/wiki/Trade_Unionist_and...

    The Socialist Party, which had previously participated in the Socialist Alliance and Welsh Socialist Alliance and backed the Campaign for a New Workers' Party, termed No2EU "an important first step towards independent working class political representation", despite criticisms of the name and other minor issues. [20]

  4. Transform (political party) - Wikipedia

    en.wikipedia.org/wiki/Transform_(political_party)

    The Transform Party (also known as Transform Politics, or simply Transform) is a political party active in Great Britain.A merger of two political groups, the Breakthrough Party and the People's Alliance of the Left, Transform aims to build a new left-wing political party to challenge both the Conservative Party and the Labour Party.

  5. Transformation matrix - Wikipedia

    en.wikipedia.org/wiki/Transformation_matrix

    In linear algebra, linear transformations can be represented by matrices.If is a linear transformation mapping to and is a column vector with entries, then there exists an matrix , called the transformation matrix of , [1] such that: = Note that has rows and columns, whereas the transformation is from to .

  6. Root of unity - Wikipedia

    en.wikipedia.org/wiki/Root_of_unity

    The n th roots of unity form under multiplication a cyclic group of order n, and in fact these groups comprise all of the finite subgroups of the multiplicative group of the complex number field. A generator for this cyclic group is a primitive n th root of unity. The n th roots of unity form an irreducible representation of any cyclic group of ...

  7. Change of basis - Wikipedia

    en.wikipedia.org/wiki/Change_of_basis

    where "old" and "new" refer respectively to the initially defined basis and the other basis, and are the column vectors of the coordinates of the same vector on the two bases. A {\displaystyle A} is the change-of-basis matrix (also called transition matrix ), which is the matrix whose columns are the coordinates of the new basis vectors on the ...

  8. Model transformation - Wikipedia

    en.wikipedia.org/wiki/Model_transformation

    A model transformation, in model-driven engineering, is an automated way of modifying and creating platform-specific model from platform-independent ones. An example use of model transformation is ensuring that a family of models is consistent, in a precise sense which the software engineer can define.

  9. Quantum Fourier transform - Wikipedia

    en.wikipedia.org/wiki/Quantum_Fourier_transform

    In quantum computing, the quantum Fourier transform (QFT) is a linear transformation on quantum bits, and is the quantum analogue of the discrete Fourier transform.The quantum Fourier transform is a part of many quantum algorithms, notably Shor's algorithm for factoring and computing the discrete logarithm, the quantum phase estimation algorithm for estimating the eigenvalues of a unitary ...