FULL EXTENDED ABSTRACTS AVAILABLE HERE Accepted TalksMatrix product and sum rule for Macdonald polynomials Luigi Cantini, Jan DeGier and Michael Wheeler Cyclic inclusion-exclusion and the kernel of P-partitions Valentin Féray A non-partitionable Cohen-Macaulay simplicial complex Art Duval, Bennet Goeckner, Caroline Klivans and Jeremy Martin The generalized Gelfand--Graev characters of $\mathrm{GL}_n(\mathbb{F}_q)$ (extended abstract) Scott Andrews, and Nathaniel Thiem Counting quadrant walks via Tutte's invariant method Olivier Bernardi, Mireille Bousquet-Mélou and Kilian Raschel Compatibility fans realizing graphical nested complexes Thibault Manneville and Vincent Pilaud The facial weak order in finite Coxeter groups Aram Dermenjian, Christophe Hohlweg and Vincent Pilaud Factorial Characters and Tokuyama's Identity for Classical Groups Angele Hamel and Ronald King A combinatorial approach to Macdonald q,t-symmetry via the Carlitz bijection Maria Gillespie Tropical Ideals Diane Maclagan and Felipe Rincón Dual Immaculate Quasisymmetric Functions Expand Positively into Young Quasisymmetric Schur Functions Edward Allen, Joshua Hallam and Sarah Mason Combinatorial description of the cohomology of the affine flag variety Seungjin Lee The Smith normal form distribution of a random integer matrix Yinghui Wang and Richard Stanley A triple product formula for plane partitions derived from biorthogonal polynomials Shuhei Kamioka The twist for positroids Greg Muller and David Speyer Monodromy and K-theory of Schubert curves via generalized jeu de taquin Maria Gillespie and Jake Levinson Staircase diagrams and the enumeration of smooth Schubert varieties Edward Richmond and William Slofstra Asymptotics of Bivariate Analytic Functions with Algebraic Singularities Torin Greenwood Diagonally and antidiagonally symmetric alternating sign matrices of odd order Roger Behrend, Ilse Fischer and Matjaz Konvalinka Cataland: Why the Fuss? Christian Stump, Hugh Thomas and Nathan Williams Refined dual stable Grothendieck polynomials and generalized Bender-Knuth involutions Pavel Galashin, Darij Grinberg and Gaku Liu Relaxations of the matroid axioms I: Independence, Exchange and Circuits Jose Samper Rhombic alternative tableaux, assembl\'{e}es of permutations, and the ASEP Olya Mandelshtam and Xavier Viennot Counting connected graphs with large excess Élie de Panafieu Quasi-isomorphisms of cluster algebras and the combinatorics of webs Chris Fraser Affine type A geometric crystal structure on the Grassmannian Gabriel Frieden A bijective proof of Macdonald's reduced word formula Benjamin Young, Sara Billey and Alexander Holroyd Accepted PostersOrder Filter Model for Minuscule Plucker Relations David Lax Rectangular Young tableaux and the Jacobi ensemble Philippe Marchal Schur-positivity via products of grid classes Sergi Elizalde and Yuval Roichman Brick polytopes, lattices and Hopf algebras Vincent Pilaud Almost simplicial polytopes: the lower and upper bound theorems Eran Nevo, Guillermo Pineda-Villavicencio, Julien Ugon and David Yost A two-sided analogue of the Coxeter complex Kyle Petersen Symmetric Chain Decompositions and the Strong Sperner Property for Noncrossing Partition Lattices Henri Mühle Asymptotics of lattice walks via analytic combinatorics in several variables Stephen Melczer and Mark C. Wilson New hook-content formulas for strict partitions (extended abstract) Guo-Niu Han and Huan Xiong Separation of Variables and the Computation of Fourier Transforms on Finite Groups, II David Maslen, Daniel Rockmore and Sarah Wolff A Formula for the Möbius Function of the Permutation Poset Based on a Topological Decomposition Jason Smith Schur polynomials and matrix positivity preservers Alexander Belton, Dominique Guillot, Apoorva Khare and Mihai Putinar From generalized Tamari intervals to non-separable planar maps (extended abstract) Wenjie Fang and Louis-François Préville-Ratelle On intervals of the consecutive pattern poset Sergi Elizalde and Peter R. W. McNamara A noncommutative geometric LR rule Vasu Tewari, Steph van Willigenburg and Edward Richmond On trees, tanglegrams, and tangled chains Sara Billey, Matjaz Konvalinka and Frederick Matsen Slicings of parallelogram polyominoes, or how Baxter and Schroder can be reconciled Mathilde Bouvel, Veronica Guerrini and Simone Rinaldi Fourientation activities and the Tutte polynomial: Extended abstract Spencer Bachman, Sam Hopkins, and Lorenzo Traldi A bijection for nonorientable bipartite maps Jeremie Bettinelli Maximal green sequences for arbitrary triangulations of marked surfaces Matthew Mills Rational Shi tableaux and the skew length statistic Robin Sulzgruber On (non-) freeness of some tridendriform algebras vincent vong Cumulants of Jack symmetric functions and $b$-conjecture (extended abstract) Maciej Dołęga and Valentin Féray Elliptic rook and file numbers Michael Schlosser and Meesue Yoo Scheduling Problems and Generalized Graph Coloring John Machacek GL(n, q)-analogues of factorization problems in the symmetric group Joel Lewis and Alejandro Morales Normal Supercharacter Theory Farid Aliniaeifard Decomposition of the product of a monomial and a Demazure atom Anna, Ying Pun A type B analog of the Lie representation Andrew Berget Symmetric matrices, Catalan paths, and correlations Bernd Sturmfels, Emmanuel Tsukerman, and Lauren Williams Oriented flip graphs and noncrossing tree partitions Alexander Garver and Thomas McConville An equivalence of multistatistics on permutations Arthur Nunge A Hopf algebra of subword complexes (Extended abstract) nantel bergeron and Cesar Ceballos The number of corner polyhedra graphs Clément Dervieux, Dominique Poulalhon and Gilles Schaeffer Symmetric Fundamental Expansions to Schur Positivity Austin Roberts Links in the complex of weakly separated collections(Extended Abstract) Suho Oh and David Speyer Partially Magic Labelings and the Antimagic Graph Conjecture Matthias Beck and Maryam Farahmand Asymptotic laws for knot diagrams Harrison Chapman On q-integrals over order polytopes Jang soo Kim and Dennis Stanton Total positivity for the Lagrangian Grassmannian Rachel Karpman The colored symmetric and exterior algebras Rafael González D'León McKay Centralizer Algebras Thomas Halverson and Georgia Benkart Intersections of Amoebas Martina Juhnke-Kubitzke and Timo de Wolff A combinatorial analysis of Severi degrees Fu Liu Yang-Baxter basis of Hecke algebra and Casselman's problem (extended abstract) Maki Nakasuji and Hiroshi Naruse Non-representable hyperbolic matroids Nima Amini and Petter Brändén Krasiewicz-Pragacz modules and Pieri and dual Pieri rules for Schubert polynomials Masaki Watanabe Minimal factorizations of a cycle: a multivariate generating function Philippe Biane and Matthieu Josuat-Vergès The Delta Conjecture James Haglund, Jeffrey Remmel and Andrew Wilson Strange Expectations Marko Thiel and Nathan Williams Fully packed loop configurations: polynomiality and nested arches Florian Aigner Extending the weak order on Coxeter groups François Viard Combinatorial descriptions of the crystal structure on certain PBW bases Ben Salisbury, Adam Schultze and Peter Tingley Asymptotics of polygons in restricted geometries subject to a force Nicholas R. Beaton, Christine E. Soteros and Jeremy Eng Non-ambiguous trees: new results and generalization Jean-Christophe Aval, Adrien Boussicault, Bérénice Delcroix-Oger, Florent Hivert and Patxi Laborde Zubieta Matrix-Ball Construction of affine Robinson-Schensted correspondence Michael Chmutov, Pavlo Pylyavskyy and Elena Yudovina Defining amplituhedra and Grassmann polytopes Steven Karp The Mixing Time for a Random Walk on the Symmetric Group Generated by Random Involutions Megan Bernstein The flag upper bound theorem for 3- and 5-manifolds Hailun Zheng Weak Separation, Pure Domains and Cluster Distance Miriam Farber and Pavel Galashin Quasisymmetric functions from combinatorial Hopf monoids and Ehrhart Theory Jacob White A lattice point counting generalisation of the Tutte polynomial. Amanda Cameron and Alex Fink Some results on counting roots of polynomials and the Sylvester resultant. Michael Monagan and Baris Tuncer Hyperplane arrangements and stopping times. Evita Nestoridi Noncrossing partitions, toggles, and homomesies David Einstein, Miriam Farber, Emily Gunawan, Michael Joseph, Matthew Macauley, James Propp and Simon Rubinstein-Salzedo Continued Classification of 3D Lattice Models in the Positive Octant Axel Bacher, Manuel Kauers and Rika Yatchak DHD-puzzles Sabine Beil Plane partitions and the combinatorics of some families of reduced Kronecker coefficients. Laura Colmenarejo Resonance in orbits of plane partitions Kevin Dilks, Oliver Pechenik and Jessica Striker Hook-length formulas for skew shapes Alejandro Morales, Igor Pak and Greta Panova The Prism tableau model for Schubert polynomials Anna Weigandt and Alexander Yong Parking functions, tree depth and factorizations of the full cycle into transpositions John Irving and Amarpreet Rattan A dual approach to structure constants for K-theory Pat Shields, Jennifer Morse and Huilan Li Toric matrix Schubert varieties and root polytopes (extended abstract) Laura Escobar and Karola Meszaros The configuration space of a robotic arm in a tunnel of width 2. Federico Ardila, Hanner Bastidas, Cesar Ceballos and John Guo Parabolic double cosets in Coxeter groups Sara Billey, Matjaz Konvalinka, T. Kyle Peterson, William Slofstra and Bridget Tenner Rational Dyck Paths in the Non Relatively Prime Case Eugene Gorsky, Mikhail Mazin and monica vazirani The topology of the external activity complex of a matroid. Federico Castillo, Jose Samper and Federico Ardila Categorifying the tensor product of the Kirillov-Reshetikhin crystal $B^{1,1} $ and a fundamental crystal Henry Kvinge and Monica Vazirani |