Mathematics – Combinatorics
Scientific paper
2000-02-28
J. Combin. Th. Ser. A, 96, No. 1, October 2001, 127-161.
Mathematics
Combinatorics
29 pages, 52 .eps files for figures, JCTA, to appear
Scientific paper
We study four operations defined on pairs of tableaux. Algorithms for the first three involve the familiar procedures of jeu de taquin, row insertion, and column insertion. The fourth operation, hopscotch, is new, although specialised versions have appeared previously. Like the other three operations, this new operation may be computed with a set of local rules in a growth diagram, and it preserves Knuth equivalence class. Each of these four operations gives rise to an a priori distinct theory of dual equivalence. We show that these four theories coincide. The four operations are linked via the involutive tableau operations of complementation and conjugation.
Roby Tom
Sottile Frank
Stroomer Jeffrey
West Julian
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