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The celebrated hook-length formula gives a product formula for the number of standard Young tableaux of a straight shape. In 2014, Naruse announced a more general formula for the number of standard Young tableaux of skew shapes as a…

Combinatorics · Mathematics 2019-06-26 Alejandro Morales , Igor Pak , Greta Panova

The classical hook length formula counts the number of standard tableaux of straight shapes. In 1996, Okounkov and Olshanski found a positive formula for the number of standard Young tableaux of a skew shape. We prove various properties of…

Combinatorics · Mathematics 2023-09-19 Alejandro H. Morales , Daniel G. Zhu

The number of standard Young tableaux of a skew shape $\lambda/\mu$ can be computed as a sum over excited diagrams inside $\lambda$. Excited diagrams are in bijection with certain lozenge tilings, with flagged semistandard tableaux and also…

Combinatorics · Mathematics 2024-09-27 Greta Panova , Leonid Petrov

The Naruse hook-length formula is a recent general formula for the number of standard Young tableaux of skew shapes, given as a positive sum over excited diagrams of products of hook-lengths. In 2015 we gave two different $q$-analogues of…

Combinatorics · Mathematics 2020-06-03 Alejandro H. Morales , Igor Pak , Greta Panova

We present a bijection between the set of standard Young tableaux of staircase minus rectangle shape, and the set of marked shifted standard Young tableaux of a certain shifted shape. Numerically, this result is due to DeWitt (2012).…

Combinatorics · Mathematics 2021-05-18 Zachary Hamaker , Alejandro H. Morales , Igor Pak , Luis Serrano , Nathan Williams

The hook length formula gives a product formula for the number of standard Young tableaux of a partition shape. The number of standard Young tableaux of a skew shape does not always have a product formula. However, for some special skew…

Combinatorics · Mathematics 2018-06-06 Jang Soo Kim , Meesue Yoo

A few years ago, Naruse presented a beautiful cancellation-free hook-length formula for skew shapes, both straight and shifted. The formula involves a sum over objects called \emph{excited diagrams}, and the term corresponding to each…

Combinatorics · Mathematics 2018-09-10 Matjaz Konvalinka

Let the sign of a skew standard Young tableau be the sign of the permutation you get by reading it row by row from left to right, like a book. We examine how the sign property is transferred by the skew Robinson-Schensted correspondence…

Combinatorics · Mathematics 2007-05-23 Jonas Sjostrand

We give new bounds and asymptotic estimates on the number of standard Young tableaux of skew shape in a variety of special cases. Our approach is based on Naruse's hook-length formula. We also compare our bounds with the existing bounds on…

Combinatorics · Mathematics 2017-03-16 Alejandro Morales , Igor Pak , Greta Panova

Recently, Naruse presented a beautiful cancellation-free hook-length formula for skew shapes. The formula involves a sum over objects called excited diagrams, and the term corresponding to each excited diagram has hook lengths in the…

Combinatorics · Mathematics 2018-09-05 Matjaz Konvalinka

The classical hook length formula of enumerative combinatorics expresses the number of standard Young tableaux of a given partition shape as a single fraction. In recent years, two generalizations of this formula have emerged: one by Pak…

Combinatorics · Mathematics 2023-10-30 Darij Grinberg , Nazar Korniichuk , Kostiantyn Molokanov , Severyn Khomych

Quasi-Yamanouchi tableaux are a subset of semistandard Young tableaux and refine standard Young tableaux. They are closely tied to the descent set of standard Young tableaux and were introduced by Assaf and Searles to tighten Gessel's…

Combinatorics · Mathematics 2018-07-31 George Wang

By considering the specialisation $s_{\lambda}(1,q,q^2,...,q^{n-1})$ of the Schur function, Stanley was able to describe a formula for the number of semistandard Young tableaux of shape $\lambda$ in terms of two properties of the boxes in…

Combinatorics · Mathematics 2019-08-15 Peter S. Campbell , Anna Stokke

We present a conjectual hook formula concerning the number of the standard tableaux on "cylindric" skew diagrams. Our formula can be seen as an extension of Naruse's hook formula for skew diagrams. Moreover, we prove our conjecture in some…

Combinatorics · Mathematics 2021-06-18 Takeshi Suzuki , Yoshitaka Toyosawa

We give a combinatorial expansion of the stable Grothendieck polynomials of skew Young diagrams in terms of skew Schur functions, using a new row insertion algorithm for set-valued semistandard tableaux of skew shape. This expansion unifies…

Combinatorics · Mathematics 2020-09-15 Melody Chan , Nathan Pflueger

Based on Sch\"utzenberger's evacuation and a modification of jeu de taquin, we give a bijective proof of an identity connecting the generating function of reverse semistandard Young tableaux with bounded entries with the generating function…

Combinatorics · Mathematics 2007-05-23 Martin Rubey

There is a natural bijection between standard immaculate tableaux of composition shape $\alpha \vDash n$ and length $\ell(\alpha) = k$ and the $ \left\{ \begin{smallmatrix} n \\ k \end{smallmatrix} \right\} $ set-partitions of $\{ 1, 2,…

Combinatorics · Mathematics 2025-11-04 John M. Campbell , Spencer Daugherty

We define a number of related combinatorial objects, each of which possesses a surprising symmetry. We include several applications such as a combinatorial explanation for certain fixed points of the involution $\omega$ on the ring of…

Combinatorics · Mathematics 2018-09-13 Graham Hawkes

An inverted semistandard Young tableau is a row-standard tableau along with a collection of inversion pairs that quantify how far the tableau is from being column semistandard. Such a tableau with precisely $k$ inversion pairs is said to be…

Combinatorics · Mathematics 2016-06-16 Paul Drube

Young's lattice is a partial order on integer partitions whose saturated chains correspond to standard Young tableaux, one type of combinatorial object that generates the Schur basis for symmetric functions. Generalizing Young's lattice, we…

Combinatorics · Mathematics 2022-02-04 Sami Assaf , Stephanie van Willigenburg
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