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  • ...rd P. Stanley|first=Richard|last=Stanley|year=1984}} in his study of the [[symmetric group]] of [[permutation]]s. ...rtain [[Quasisymmetric_function#Important_bases|fundamental quasisymmetric functions]]. Each summand corresponds to a reduced decomposition of ''w'', that is, ...
    3 KB (353 words) - 09:58, 7 November 2023
  • ...ctions|algebra of symmetric functions]] and that of [[Symmetric polynomial|symmetric polynomials]]. It is essentially basic substitution of variables, but allo ...\ldots)</math> is generated as an ''R''-algebra by the power sum symmetric functions ...
    3 KB (563 words) - 13:10, 23 January 2022
  • ...chubert calculus]], or the product of a [[Schur polynomial]] by a complete symmetric function. In terms of Schur functions ''s''<sub>&lambda;</sub> indexed by [[Partition (number theory)|partitions] ...
    2 KB (269 words) - 09:56, 28 January 2024
  • ...chur polynomial|Schur functions]] as determinants in terms of [[elementary symmetric function]]s. The corresponding identity also holds for Schubert classes. ...can be expressed bilinearly in terms of elementary and complete symmetric functions, and Schubert classes satisfy these same relations. ...
    2 KB (285 words) - 09:22, 14 July 2024
  • ...of symmetric functions|symmetric functions on elements of a vector space |symmetric tensor}} ...symmetric functions are [[polynomial function]]s, which are given by the [[symmetric polynomial]]s. ...
    5 KB (762 words) - 02:02, 18 December 2023
  • ...[Schur polynomial|Schur functions]] when ''t'' is 0 and monomial symmetric functions when ''t'' is 1 and are special cases of [[Macdonald polynomials]]. ...''m''(''i'') elements equal to ''i'', and ''S''<sub>''n''</sub> is the [[symmetric group]] of order ''n''!. ...
    3 KB (419 words) - 22:39, 16 June 2024
  • ...form a [[Hopf algebra]] NSymm analogous to the [[Hopf algebra of symmetric functions]]. The Hopf algebra NSymm was introduced by [[Israel M. Gelfand]], Daniel K | title=Noncommutative symmetric functions ...
    3 KB (425 words) - 08:35, 4 January 2024
  • ==Relation to symmetric polynomials== Products of [[symmetric polynomial|symmetric]] and alternating polynomials (in the same variables <math>x_1,\dots,x_n</m ...
    7 KB (1,074 words) - 00:31, 6 August 2024
  • ...'''plethysm''' is an operation on [[ring of symmetric functions|symmetric functions]] introduced by [[Dudley E. Littlewood]],<ref>{{harvs|txt|last=Littlewood|y If symmetric functions are identified with operations in [[lambda ring]]s, then plethysm correspon ...
    4 KB (522 words) - 22:46, 27 March 2023
  • .... 433–442</ref> For this reason they are also known as '''Boolean counting functions'''.<ref>{{Cite web|title=BooleanCountingFunction—Wolfram Language Documenta ...ematically, the symmetric Boolean functions correspond one-to-one with the functions that map ''n+1'' elements to two elements, <math>f: \{0, 1, ..., n\} \right ...
    7 KB (944 words) - 06:13, 14 January 2025
  • ...on]]s, which specializes to many of the well-known bases for the symmetric functions, by suitable substitutions for the parameters ''q'' and ''t''. ...e [[zonal spherical function]]s, and the elementary and monomial symmetric functions. ...
    5 KB (708 words) - 02:24, 19 April 2024
  • {{Short description|Elements in representations of the symmetric group}}{{No footnotes|date=November 2021}} ...n the [[group ring|group algebra]] <math>\mathbb{C} [S_n] </math> of the [[symmetric group]], named after [[Algimantas Adolfas Jucys]] and G. E. Murphy, are def ...
    4 KB (571 words) - 08:25, 19 March 2024
  • ...introduced by the mathematician [[Carl Kostka]] in his study of symmetric functions ({{harvtxt|Kostka|1882}}).<ref>Stanley, Enumerative combinatorics, volume 2 ==Kostka numbers, symmetric functions and representation theory== ...
    8 KB (1,082 words) - 18:34, 1 August 2024
  • ...ds on the order of the terms: it is an [[alternating polynomial]], not a [[symmetric polynomial]]. ...racteristic]] is not 2, otherwise being alternating is equivalent to being symmetric). ...
    4 KB (641 words) - 17:01, 30 January 2025
  • ...mmetric space]] ''G''/''K'', where ''G'' is a [[Lie group]] and ''K'' is a symmetric [[compact group|compact]] [[subgroup]]. Generalized spheres are then actua ...ed to be compact, but instead is assumed to be only unimodular. Lorentzian symmetric spaces are of this kind. The orbital integrals in this case are also obtain ...
    3 KB (517 words) - 15:22, 1 January 2024
  • ...called '''Riesz–Sobolev''' inequality, states that any three non-negative functions <math>f : \mathbb{R}^n \to \mathbb{R}^+</math>, <math>g : \mathbb{R}^n \to ...\mathbb{R}^+</math> are the [[symmetric decreasing rearrangement]]s of the functions <math>f</math>, <math>g</math> and <math>h</math> respectively. ...
    4 KB (521 words) - 20:24, 27 April 2024
  • [[Category:Symmetric functions]] ...
    744 bytes (94 words) - 00:32, 12 October 2018
  • ...symmetric decreasing rearrangement''' of a function is a function which is symmetric and decreasing, and whose [[level sets]] are of the same size as those of t ...[measurable set]], <math>A,</math> in <math>\R^n,</math> one defines the ''symmetric rearrangement'' of <math>A,</math> called <math>A^*,</math> as the ball cen ...
    7 KB (1,081 words) - 23:34, 9 April 2023
  • ...makes it possible to study representation problems with help of symmetric functions and vice versa. This map is named after German mathematician [[Ferdinand Ge Source:<ref>{{Cite book|last=MacDonald|first=Ian Grant|title=Symmetric functions and Hall polynomials|publisher=Oxford University Press; 2nd edition|year=20 ...
    10 KB (1,617 words) - 18:46, 25 February 2024
  • ...l|complete]] and [[Power sum symmetric polynomial|power sums]] homogeneous symmetric polynomials in many variables. Its name comes from the operation called [[p ...|authorlink1=Ian G. Macdonald|date=1962|title=The Poincare Polynomial of a Symmetric Product|url=https://www.cambridge.org/core/product/identifier/S030500410004 ...
    7 KB (1,077 words) - 08:38, 26 February 2025
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