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16 April 2024
 
  » arxiv » 1704.8511

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On Schur multiple zeta functions: A combinatoric generalization of multiple zeta functions
Maki Nakasuji ; Ouamporn Phuksuwan ; Yoshinori Yamasaki ;
Date 27 Apr 2017
AbstractWe introduce Schur multiple zeta functions which interpolate both the multiple zeta and multiple zeta-star functions of the Euler-Zagier type combinatorially. We first study their basic properties including a region of absolute convergence and the case where all variables are the same. Next, under an assumption on variables, some determinant formulas coming from theory of Schur functions such as the Jacobi-Trudi, Giambelli and dual Cauchy formula are established with the help of Macdonald’s ninth variation of Schur functions. Finally, we investigate the quasi-symmetric functions corresponding to the Schur multiple zeta functions. We obtain the similar results as above for them and, moreover, describe the images of them by the antipode of the Hopf algebra of quasi-symmetric functions explicitly.
Source arXiv, 1704.8511
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