Refined Enumerations of Totally Symmetric Self-Complementary Plane Partitions and Constant Term Identities
نویسنده
چکیده
In this paper we give Pfaffian or determinant expressions, and constant term identities for the conjectures in the paper “Self-complementary totally symmetric plane partitions” (J. Combin. Theory Ser. A 42, 277–292) by Mills, Robbins and Rumsey. We also settle a weak version of Conjecture 6 in the paper, i.e., the number of shifted plane partitions invariant under a certain involution is equal to the number of alternating sign matrices invariant under the vertical flip. Résumé. Dans cet article nous donnons des expressions pfaffiennes ou déterminantales, et des identidtés en termes constants pour les conjectures dans l’article “Self-complementary totally symmetric plane partitions” (J. Combin. Theory Ser. A 42, 277–292) par Mills, Robbins and Rumsey. Nous démontrons aussi une version faible de la Conjecture 6 de cet article, i.e., le nombre de partitions planes décalées invariantes sous certaine involution est égal au nombre de matrices à signes alternants invariantes sous la réflexion verticale.
منابع مشابه
On refined enumerations of totally symmetric self-complementary plane partitions I
Abstract In this paper we give Pfaffian expressions and constant term identities for three conjectures (i.e. Conjecture 2, Conjecture 3 and Conjecture 7) by Mills, Robbins and Rumsey in the paper “Self-complementary totally symmetric plane partitions” J. Combin. Theory Ser. A 42, 277–292) concerning the refined enumeration problems of totally symmetric self-complementary plane partitions. We al...
متن کاملRefined Enumerations of Totally Symmetric Self-Complementary Plane Partitions and Lattice Path Combinatorics
This article is a short explanation of some of the results obtained in my papers “On refined enumerations of totally symmetric self-complementary plane partitions I, II”. We give Pfaffian expressions for some of the conjectures in the paper “Self-complementary totally symmetric plane partitions” (J. Combin. Theory Ser. A 42, 277–292) by Mills, Robbins and Rumsey, using the lattice path method.
متن کاملOn refined enumerations of totally symmetric self-complementary plane partitions II
In this paper we settle a weak version of a conjecture (i.e. Conjecture 6) by Mills, Robbins and Rumsey in the paper “Self-complementary totally symmetric plane partitions” J. Combin. Theory Ser. A 42, 277–292. In other words we show that the number of shifted plane partitions invariant under the involution γ is equal to the number of alternating sign matrices invariant under the vertical flip....
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We prove the equality of doubly refined enumerations of Alternating Sign Matrices and of Totally Symmetric Self-Complementary Plane Partitions using integral formulae originating from certain solutions of the quantum Knizhnik– Zamolodchikov equation. The authors thank N. Kitanine for discussions, and J.-B. Zuber for a careful reading of the manuscript. PZJ was supported by EU Marie Curie Resear...
متن کاملDeterminant Identities and a Generalization of the Number of Totally Symmetric Self-complementary Plane Partitions
We prove a constant term conjecture of Robbins and Zeilberger (J. Combin. Theory Ser. A 66 (1994), 17–27), by translating the problem into a determinant evaluation problem and evaluating the determinant. This determinant generalizes the determinant that gives the number of all totally symmetric self-complementary plane partitions contained in a (2n)×(2n)×(2n) box and that was used by Andrews (J...
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تاریخ انتشار 2007