## schedule

## main speakers

- Bill Chen (Nankai University, China)
*Recent developments on log-concavity and q-log-concavity of combinatorial polynomials* - Persi Diaconis (Stanford University, USA)
*A probabalistic interpretation of the Macdonald polynomials* - Alicia Dickenstein (Universidad de Buenos Aires, Argentina)
*Hypergeometric series with algebro-geometric dressing* - Joseph Gubeladze (San Francisco State University, USA)
*Normal polytopes* - Florent Hivert (Université de Rouen, France)
*Combinatorial representation theory of algebras: the example of j-trivial monoids* - Tara Holm (Cornell University, USA)
*The discrete geometry of moment polytopes* - Jon McCammond (University of California, Santa Barbara, USA)
*Posets and curvature* - Ileana Streinu (Smith College, USA)
*Rigidity, sparsity and pebble games* - Peter Winkler (Dartmouth College, USA)
*The Worm order and its applications*

## contributed talks & posters

- A bijection between dominant Shi regions and core partitions

*Susanna Fishel and Monica Vazirani* - A canonical basis for Garsia-Procesi modules

*Jonah Blasiak* - A Closed Character Formula for Symmetric Powers of Irreducible Representations

*Stavros Kousidis* - A Combinatorial Formula for Orthogonal Idempotents in the 0-Hecke Algebra of S_N

*Tom Denton* - A note on moments of derivatives of characteristic polynomials

*Paul-Olivier Dehaye* - A Pieri rule for skew shapes

*Sami H. Assaf and Peter R. W. McNamara* - A preorder-free construction of the Kazhdan-Lusztig representations of H_n(q)

*Charles Buehrle and Mark Skandera* - A unified bijective method for maps: application to two classes with boundaries

*Olivier Bernardi and Eric Fusy* - Affine structures and a tableau model for E_6 crystals

*Brant Jones and Anne Schilling* - An Algebraic Analogue of a Formula of Knuth

*Lionel Levine* - An algorithm which generates linear extensions for a generalized Young diagram with uniform probability

*Kento Nakada and Shuji Okamura* - Balanced binary trees in the Tamari lattice

*Samuele Giraudo* - Bijective enumeration of permutations starting with a longest increasing subsequence

*Greta Panova* - Boolean complexes and boolean numbers

*Bridget Tenner* - Bruhat order, rationally smooth Schubert varieties, and hyperplane arrangements

*Suho Oh and Hwanchul Yoo* - Chain enumeration of k-divisible noncrossing partitions of classical types

*Jang Soo Kim* - Chamber Structure for Double Hurwitz Numbers

*Renzo Cavalieri, Paul Johnson and Hannah Markwig* - Combinatorial aspects of Escher tilings

*Srecko Brlek, Alexandre Blondin Masse and Sebastien Labbe* - Combinatorial formulas for double parabolic R-polynomials

*Justin Lambright and Mark Skandera* - Combinatorics of the PASEP partition function

*Matthieu Josuat-Verges* - Compositions and samples of geometric random variables with constrained multiplicities

*Margaret Archibald, Arnold Knopfmacher and Toufik Mansour* - Computing Node Polynomials for Plane Curves

*Florian Block* - Constant term evaluation for summation of C-finite sequences

*Qing-Hu Hou and Guoce Xin* - Counting RNA pseudoknotted structures

*Cedric Saule, Mireille Regnier, Jean-Marc Steyaert and Alain Denise* - Counting unicellular maps on non-orientable surfaces

*Olivier Bernardi and Guillaume Chapuy* - Criteria for rational smoothness of some symmetric orbit closures

*Axel Hultman* - Crossings and nestings in set partitions of classical types

*Martin Rubey and Christian Stump* - Crystals from categorified quantum groups

*Aaron Lauda and Monica Vazirani* - Cyclic sieving for longest reduced words in the hyperoctahedral group

*T. Kyle Petersen and Luis Serrano* - Denominator formulas for Lie superalgebras

*Paolo Papi, Victor Kac and Pierluigi Moseneder Frajria* - Descent polynomials for permutations with bounded drop size

*Fan Chung, Anders Claesson, Mark Dukes and Ronald Graham* - Enumerating (2+2)-free posets by the number of minimal elements and other statistics

*Sergey Kitaev and Jeffrey Remmel* - Enumerating Pattern Avoidance for Affine Permutations

*Andrew Crites* - Enumeration of inscribed polyominos

*Alain Goupil, Hugo Cloutier and Fathallah Nouboud* - Equivalence Relations of Permutations Generated by Constrained Transpositions

*Steven Linton, James Propp, Tom Roby and Julian West* - f-vectors of subdivided simplicial complexes

*Emanuele Delucchi, Aaron Pixton and Lucas Sabalka* - Fully Packed Loop configurations in a triangle and Littlewood Richardson coefficients

*Philippe Nadeau* - Generalized Ehrhart polynomials

*Sheng Chen, Nan Li and Steven Sam* - Generalized Energy Statistics and Kostka-Macdonald Polynomials

*Anatol Kirillov and Reiho Sakamoto* - Harmonics for deformed Steenrod operators

*Francois Bergeron, Adriano Garsia and Nolan Wallach* - Involutions of the Symmetric Group and Congruence B-Orbits

*Eli Bagno and Yonah Cherniavsky* - Jucys-Murpy elements and unitary matrix integrals

*Sho Matsumoto and Jonathan Novak* - Linear coefficients of Kerov's polynomials: bijective proof and refinement of Stanley's result

*Valentin Feray and Ekaterina Vassilieva* - Linear Systems on Tropical Curves

*Christian Haase, Gregg Musiker and Josephine Yu* - Mixed Statistics on 01-Fillings of Moon Polyominoes

*William Chen, Andrew Wang, Catherine Yan and Alina Zhao* - Models and refined models for involutory reflection groups and classical Weyl groups

*Fabrizio Caselli and Roberta Fulci* - n! matchings, n! posets

*Anders Claesson and Svante Linusson* - Nonzero coefficients in restrictions and tensor products of supercharacters of U_n(q)

*Stephen Lewis and Nathaniel Thiem* - On gamma-vectors satisfying the Kruskal-Katona inequalities

*Eran Nevo and T. Kyle Petersen* - On extensions of the Newton-Raphson iterative scheme to arbitrary orders

*Gilbert Labelle* - On formulas for moments of the Wishart distributions as weighted generating functions of matchings

*Yasuhide Numata and Satoshi Kuriki* - On joint distribution of adjacencies, descents and some Mahonian statistics

*Alexander Burstein* - On k-crossings and k-nestings of permutations

*Sophie Burrill, Marni Mishna and Jacob Post* - On the diagonal ideal of (C^2)^n and q,t-Catalan numbers

*Kyungyong Lee and Li Li* - Pattern avoidance in alternating permutations

*Joel Lewis* - Pattern avoidance in partial permutations

*Anders Claesson, Vit Jelinek, Eva Jelinkova and Sergey Kitaev* - Permutation Patterns and Singularities of Schubert Varieties

*Henning A. Ulfarsson* - Products of Geck-Rouquier conjugacy classes and the Hecke algebra of composed permutations

*Pierre-Loic Meliot* - QSym over Sym has a stable basis

*Aaron Lauve and Sarah Mason* - Random Walks in the Plane

*Jonathan M. Borwein, Dirk Nuyens, Armin Straub and James Wan* - Root polytopes, triangulations, and the bracket algebra

*Karola Meszaros* - Schubert complexes and degeneracy loci

*Steven Sam* - Skew Littlewood-Richardson rules from Hopf algebras

*Thomas Lam, Aaron Lauve and Frank Sottile* - The biHecke monoid of a finite Coxeter group

*Florent Hivert, Anne Schilling and Nicolas M. Thiery* - The cluster and dual canonical bases of Z[x_{11}, ..., x_{33}] are equal

*Brendon Rhoades* - The expansion of Hall-Littlewood functions in the dual Grothendieck polynomial basis}

*Jason Bandlow and Jennifer Morse* - The Frobenius Complex

*Eric Clark and Richard Ehrenborg* - The Geometry of Lecture Hall Partitions and Quadratic Permutation Statistics

*Katie Bright and Carla Savage* - The Hodge Structure of the Coloring Complex of a Hypergraph

*Sarah Rundell and Jane Long* - The Homology of the Real Complement of a k-Parabolic Subspace Arrangement

*Jacob White and Christopher Severs* - The Mobius function of separable permutations

*Vit Jelinek, Eva Jelinkova and Einar Steingrimsson* - The spectrum of an asymmetric annihilation process

*Arvind Ayyer and Volker Strehl* - The stability of the Kronecker product of Schur functions

*Emmanuel Briand, Rosa Orellana and Mercedes Rosas* - Three notions of tropical rank for symmetric matrices

*Dustin Cartwright and Melody Chan* - Toric Ideals of Flow Polytopes

*Matthias Lenz* - Tropical secant graphs of monomial curves.

*Maria Angelica Cueto and Shaowei Lin* - Valuative invariants for polymatroids

*Harm Derksen and Alex Fink* - Viewing counting polynomials as Hilbert functions via Ehrhart theory

*Felix Breuer and Aaron Dall* - Weakly directed self-avoiding walks

*Axel Bacher and Mireille Bousquet-Melou* - Weighted branching formulas for the hook lengths

*Ionut Ciocan-Fontanine, Matjaz Konvalinka and Igor Pak* - Word equations in a uniquely divisible group

*Christopher Hillar, Lionel Levine and Darren Rhea* - Words on non-commutative invariants of the hyperoctahedral group

*Anouk Bergeron-Brlek* - Zonotopes, toric arrangements, and generalized Tutte polynomials.

*Luca Moci*