Séminaire Lotharingien de Combinatoire, 89B.37 (2023), 12 pp.

Carolina Benedetti, Nantel Bergeron, Laura Colmenarejo, Franco Saliola and Frank Sottile

A Murnaghan-Nakayama Rule for Quantum Cohomology of the Flag Manifold

Abstract. We give a rule for the multiplication of a Schubert class by a tautological class in the (small) quantum cohomology ring of the full flag manifold. As an intermediary step, we establish a formula for the multiplication of a Schubert class by a quantum Schur polynomial indexed by a hook partition.


Received: November 15, 2022. Accepted: February 20, 2023. Final version: April 1, 2023.

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