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There is a page named "Matrix theory" on Wikipedia

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  • Thumbnail for Matrix (mathematics)
    matrices with the same number of rows and columns, play a major role in matrix theory. Square matrices of a given dimension form a noncommutative ring, which...
    106 KB (13,096 words) - 01:43, 20 August 2024
  • S-matrix theory was a proposal for replacing local quantum field theory as the basic principle of elementary particle physics. It avoided the notion of...
    7 KB (909 words) - 02:46, 18 April 2023
  • In theoretical physics, the matrix theory is a quantum mechanical model proposed in 1997 by Tom Banks, Willy Fischler, Stephen Shenker, and Leonard Susskind;...
    5 KB (667 words) - 08:22, 26 September 2023
  • In linear algebra, the rank of a matrix A is the dimension of the vector space generated (or spanned) by its columns. This corresponds to the maximal number...
    29 KB (4,390 words) - 09:07, 22 March 2024
  • In probability theory and mathematical physics, a random matrix is a matrix-valued random variable—that is, a matrix in which some or all of its entries...
    49 KB (7,081 words) - 12:21, 14 June 2024
  • In mathematics, particularly matrix theory, a band matrix or banded matrix is a sparse matrix whose non-zero entries are confined to a diagonal band, comprising...
    8 KB (1,164 words) - 07:59, 30 April 2024
  • supergravity at low energies. Modern attempts to formulate M-theory are typically based on matrix theory or the AdS/CFT correspondence. According to Witten, M...
    62 KB (7,723 words) - 11:43, 11 August 2024
  • some aspects of matrix models and M-theory are described by a noncommutative quantum field theory, a special kind of physical theory in which spacetime...
    123 KB (15,355 words) - 13:02, 16 August 2024
  • physics, cosmology, and pure mathematics. String theory represents an outgrowth of S-matrix theory, a research program begun by Werner Heisenberg in...
    34 KB (4,199 words) - 23:57, 22 May 2024
  • n-by-n square matrix A is called invertible (also nonsingular, nondegenerate or rarely regular) if there exists an n-by-n square matrix B such that A...
    46 KB (6,940 words) - 00:07, 6 July 2024
  • In linear algebra, a minor of a matrix A is the determinant of some smaller square matrix, cut down from A by removing one or more of its rows and columns...
    15 KB (2,716 words) - 15:52, 1 November 2023
  • mathematics, a logarithm of a matrix is another matrix such that the matrix exponential of the latter matrix equals the original matrix. It is thus a generalization...
    18 KB (2,986 words) - 22:26, 22 August 2024
  • In graph theory and computer science, an adjacency matrix is a square matrix used to represent a finite graph. The elements of the matrix indicate whether...
    20 KB (2,461 words) - 21:32, 22 July 2024
  • Thumbnail for Matrix multiplication
    columns in the first matrix must be equal to the number of rows in the second matrix. The resulting matrix, known as the matrix product, has the number...
    41 KB (6,581 words) - 21:45, 2 August 2024
  • variations; see below. Incidence matrix is a common graph representation in graph theory. It is different to an adjacency matrix, which encodes the relation...
    9 KB (1,278 words) - 15:48, 12 September 2022
  • Thumbnail for Block matrix
    In mathematics, a block matrix or a partitioned matrix is a matrix that is interpreted as having been broken into sections called blocks or submatrices...
    29 KB (4,768 words) - 15:57, 12 August 2024
  • Matrix model may refer to: a model using a matrix in mathematics Matrix theory (physics), a quantum mechanical model Matrix population models, a type...
    482 bytes (78 words) - 09:03, 30 July 2022
  • for matrix multiplication? (more unsolved problems in computer science) In theoretical computer science, the computational complexity of matrix multiplication...
    34 KB (4,189 words) - 02:32, 22 June 2024
  • In mathematics, particularly in matrix theory, a permutation matrix is a square binary matrix that has exactly one entry of 1 in each row and each column...
    17 KB (3,014 words) - 20:44, 16 May 2024
  • solution. Any P-matrix is a Q-matrix. Conversely, if a matrix is a Z-matrix and a Q-matrix, then it is also a P-matrix. P-matrix Z-matrix Karamardian, S...
    3 KB (274 words) - 18:41, 12 August 2023
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