### D.15.10 lrcalc_lib

Library:
  lrcalc.lib
Purpose:
  An interface to the Littlewood-Richardson Calculator by Anders Buch

Author:
  Oleksandr Iena, o.g.yena@gmail.com

Overview:
  An interface to the documented functions of the Littlewood-Richardson Calculator by Anders Buch is implemented.
  The library requires the Littlewood-Richardson Calculator by Anders Buch, which is available at http://math.rutgers.edu/~asbuch/lrcalc/

References:
  [1] http://math.rutgers.edu/~asbuch/lrcalc/
  http://math.rutgers.edu/~asbuch/lrcalc/lrcalc-1.2/README

Procedures:

> D.15.10.1 LRinstall |  | installs the Littlewood-Richardson Calculator
> D.15.10.2 LRcoef |  | Littlewood-Richardson coefficient c^z_{x, y}
> D.15.10.3 LRskew |  | partitions y for which the Littlewood-Richardson coefficient c^z_{x,y} is non-zero together with that coefficient
> D.15.10.4 LRmult |  | partitions z for which the Littlewood-Richardson coefficient c^z_{x,y} is non-zero together with that coefficient
> D.15.10.5 LRcoprod |  | pairs of partitions x and y for which the Littlewood-Richardson coefficient c^z_{x,y} is non-zero together with that coefficient
> D.15.10.6 LRschubmult |  | expantion of a product of two Schubert polynomials in the basis of Schubert polynomials

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