Symmetric functions and combinatorial operators on polynomials
著者
書誌事項
Symmetric functions and combinatorial operators on polynomials
（Regional conference series in mathematics, no. 99）
Published for the Conference Board of the Mathematical Sciences by the American Mathematical Society with support from the National Science Foundation, c2003
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注記
"CBMS Conference on Algebraic Combinatorics held at North Carolina State University at Raleigh, June 4-8, 2001"--T.p. verso
Includes bibliographical references (p. 261-266) and index
内容説明・目次
内容説明
The theory of symmetric functions is an old topic in mathematics which is used as an algebraic tool in many classical fields. With $\lambda$-rings, one can regard symmetric functions as operators on polynomials and reduce the theory to just a handful of fundamental formulas. One of the main goals of the book is to describe the technique of $\lambda$-rings. The main applications of this technique to the theory of symmetric functions are related to the Euclid algorithm and its occurrence in division, continued fractions, Pade approximants, and orthogonal polynomials. Putting the emphasis on the symmetric group instead of symmetric functions, one can extend the theory to non-symmetric polynomials, with Schur functions being replaced by Schubert polynomials. In two independent chapters, the author describes the main properties of these polynomials, following either the approach of Newton and interpolation methods or the method of Cauchy.The last chapter sketches a non-commutative version of symmetric functions, using Young tableaux and the plactic monoid. The book contains numerous exercises clarifying and extending many points of the main text. It will make an excellent supplementary text for a graduate course in combinatorics.
目次
Symmetric functions Symmetric functions as operators and $\lambda$-rings Euclidean division Reciprocal differences and continued fractions Division, encore Pade approximants Symmetrizing operators Orthogonal polynomials Schubert polynomials The ring of polynomials as a module over symmetric ones The plactic algebra Complements Solutions of exercises Bibliography Index.
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