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» Quasisymmetric Schur functions
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COMBINATORICS
2004
79views more  COMBINATORICS 2004»
13 years 4 months ago
Bottom Schur Functions
We give a basis for the space spanned by the sum ^s of the lowest degree terms in the expansion of the Schur symmetric functions s in terms of the power sum
Peter Clifford, Richard P. Stanley
DM
2002
70views more  DM 2002»
13 years 4 months ago
Shifted quasi-symmetric functions and the Hopf algebra of peak functions
Nantel Bergeron, Stefan Mykytiuk, Frank Sottile, S...
NA
2010
144views more  NA 2010»
13 years 3 months ago
A binary powering Schur algorithm for computing primary matrix roots
An algorithm for computing primary roots of a nonsingular matrix A is presented. In particular, it computes the principal root of a real matrix having no nonpositive real eigenvalu...
Federico Greco, Bruno Iannazzo
CORR
2004
Springer
97views Education» more  CORR 2004»
13 years 4 months ago
Free quasi-symmetric functions, product actions and quantum field theory of partitions
Abstract. We investigate two associative products over the ring of symmetric functions related to the intransitive and Cartesian products of permutation groups. As an application, ...
Gérard Henry Edmond Duchamp, Jean-Gabriel L...