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Séminaire Lotharingien de Combinatoire, B54Ai (2006), 12 pp.

# Thomas Lam and Mark Shimozono

# A Little Bijection for Affine Stanley Symmetric Functions

**Abstract.**
Little [*Adv. Math.* **174** (2003), 236-253]
developed a combinatorial algorithm to study the
Schur-positivity of Stanley symmetric functions and the
Lascoux-Schützenberger tree. We generalize this algorithm to
affine Stanley symmetric functions, which were introduced recently
in [T. Lam: ``Affine Stanley symmetric functions,"
*Amer. J. Math.*, to appear].

Received: January 20, 2006.
Accepted: November 10, 2006.
Final Version: November 12, 2006.

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