Issai Schur (10 January 1875 – 10 January 1941) was a Russian mathematician who worked in Germany for most of his life. He studied at the University of... 28 KB (3,945 words) - 10:28, 13 March 2024 |
is named after two pioneers of representation theory of Lie groups, Issai Schur, who discovered the phenomenon, and Hermann Weyl, who popularized it... 9 KB (1,457 words) - 15:23, 25 September 2023 |
mathematical discipline of linear algebra, the Schur decomposition or Schur triangulation, named after Issai Schur, is a matrix decomposition. It allows one... 11 KB (1,327 words) - 00:01, 12 April 2024 |
Hadamard product (matrices) (redirect from Schur product) either French mathematician Jacques Hadamard or German mathematician Issai Schur. The Hadamard product is associative and distributive. Unlike the matrix... 20 KB (2,702 words) - 17:25, 11 April 2024 |
M/D yields the generalized Schur complement. The Schur complement is named after Issai Schur who used it to prove Schur's lemma, although it had been... 15 KB (2,895 words) - 19:34, 3 April 2024 |
In mathematics, Schur polynomials, named after Issai Schur, are certain symmetric polynomials in n variables, indexed by partitions, that generalize the... 20 KB (3,749 words) - 07:34, 31 January 2024 |
Schur's theorem is any of several theorems of the mathematician Issai Schur. In differential geometry, Schur's theorem is a theorem of Axel Schur. In... 6 KB (832 words) - 23:22, 19 March 2024 |
after Issai Schur, Schur-convex functions are used in the study of majorization. A function f is 'Schur-concave' if its negative, −f, is Schur-convex... 3 KB (590 words) - 04:51, 21 April 2024 |
Israeli educator Friedrich Schur (1856-1932), German mathematician Fritz Schur (born 1951), Danish businessman Issai Schur (1875–1941), Lithuanian-German-Israeli... 809 bytes (119 words) - 15:21, 20 September 2023 |
after Issai Schur. Frobenius–Schur indicator Herz–Schur multiplier Jordan–Schur theorem Lehmer–Schur algorithm Schur algebra Schur class Schur's conjecture... 1 KB (84 words) - 18:45, 21 March 2022 |
matrix. The result is named after Issai Schur (Schur 1911, p. 14, Theorem VII) (note that Schur signed as J. Schur in Journal für die reine und angewandte... 7 KB (1,421 words) - 23:24, 5 September 2022 |
after Issai Schur who used it to prove the Schur orthogonality relations and develop the basics of the representation theory of finite groups. Schur's lemma... 23 KB (3,883 words) - 11:19, 14 March 2024 |
the discipline of representation theory, the Schur indicator, named after Issai Schur, or Frobenius–Schur indicator describes what invariant bilinear forms... 10 KB (1,405 words) - 22:51, 5 March 2022 |
In mathematics, particularly linear algebra, the Schur–Horn theorem, named after Issai Schur and Alfred Horn, characterizes the diagonal of a Hermitian... 15 KB (2,888 words) - 11:26, 15 October 2023 |
In mathematics, the Lehmer–Schur algorithm (named after Derrick Henry Lehmer and Issai Schur) is a root-finding algorithm for complex polynomials, extending... 10 KB (1,693 words) - 02:50, 14 March 2024 |
In mathematics, Schur's property, named after Issai Schur, is the property of normed spaces that is satisfied precisely if weak convergence of sequences... 2 KB (284 words) - 16:59, 11 February 2021 |
In mathematics, Schur's inequality, named after Issai Schur, establishes that for all non-negative real numbers x, y, z, and t>0,... 3 KB (606 words) - 02:43, 22 March 2024 |
mathematics, especially in the field of representation theory, Schur functors (named after Issai Schur) are certain functors from the category of modules over... 7 KB (1,178 words) - 19:11, 4 March 2024 |
on the existence of finite simple groups. The transfer was defined by Issai Schur (1902) and rediscovered by Emil Artin (1929). The construction of the... 5 KB (786 words) - 03:58, 13 July 2023 |
In mathematics, the Schur orthogonality relations, which were proven by Issai Schur through Schur's lemma, express a central fact about representations... 14 KB (2,390 words) - 20:18, 21 January 2024 |
mathematical field of representation theory, a Herz–Schur multiplier (named after Carl S. Herz and Issai Schur) is a special kind of mapping from a group to... 2 KB (246 words) - 15:09, 2 February 2021 |
In numerical analysis, the Schur complement method, named after Issai Schur, is the basic and the earliest version of non-overlapping domain decomposition... 4 KB (623 words) - 15:09, 14 February 2024 |
In mathematical analysis, the Schur test, named after German mathematician Issai Schur, is a bound on the L 2 → L 2 {\displaystyle L^{2}\to L^{2}} operator... 4 KB (918 words) - 19:10, 4 October 2022 |
Göttingen, working on a topic in analytic number theory suggested by Issai Schur. He presented his thesis to the University of Iași, obtaining his Ph... 6 KB (509 words) - 13:13, 15 January 2024 |
by Leon Lichtenstein together with Konrad Knopp, Erhard Schmidt, and Issai Schur. Past editors include Erich Kamke, Friedrich Karl Schmidt, Rolf Nevanlinna... 2 KB (73 words) - 17:58, 22 April 2024 |
In mathematics, Schur algebras, named after Issai Schur, are certain finite-dimensional algebras closely associated with Schur–Weyl duality between general... 9 KB (1,418 words) - 19:06, 16 March 2024 |
of any finite group, as discovered by Ferdinand Georg Frobenius and Issai Schur. Let G be a compact group. The theorem has three parts. The first part... 16 KB (2,480 words) - 16:29, 15 March 2024 |
List of things named after Bernhard Riemann List of things named after Issai Schur List of things named after Anatoliy Skorokhod List of things named after... 21 KB (2,591 words) - 15:29, 7 January 2024 |
linear group, this result was proved for its special unitary subgroup by Issai Schur (1924, presaged by earlier work). The special linear group is a complex... 7 KB (866 words) - 06:54, 27 April 2024 |