Friday, April 19th

The Combinatorics Seminar will be held at 3.35pm in Physics 170.

There will be an informal social event in the evening.

Saturday, April 20th

The conference will run from 8.30am-4pm in Rapson Hall.

Schedule of Talks

	Room 1	Room 2	Room 3	Room 4
8.30-8.50	Jack Love Vertices of $\hom(P, Q)$	XiaoLin Shi Projections on Parabolic Quotients of Affine Weyl Groups	Hayato Mwesigwa A set of tournaments with many Hamiltonian cycles	John Engbers Extremal $H$-colorings of forests and trees
9.00-9.20	Jose Alejandro Samper Combinatorics of polytopes that approximate smooth convex bodies	David B Rush On Orbits of Order Ideals of Minuscule Posets	Radoslav Marinov An application of Stein's Method to convergent statistics in the Neighborhood Attack and Mercurial Voter-type models	Ruidong Wang Incidence Posets and Cover Graphs
9.25-10.25	Adriano Garsia, Parking Functions and Diagonal Harmonics
10.25-10.45	Coffee
10.50-11.10	Robert Davis Unimodality of $h^*$-vectors for lattice polytopes	Nick Teff Hessenberg Representations and the Chromatic Symmetric Functions	Jed Yang Undecidability of tileability	Lauren Keough Minimizing Matchings in Graphs
11.15-11.35	Frederico Castillo Computing Arithmetic Tutte Polynomials	Michael Chmutov A-molecules are of Kazhdan-Lusztig type	Michelle Delcourt Discrete Bernoulli Convolutions	Michael Krul Algebraic Characterization of Hypergraph Colorings
11.40-12.00	Pat Devlin Integer Subsets with High Volume and Low Perimeter	Shirley Law The Hopf Algebra of Sashes	Yi Su Electrical Networks, Electrical Lie Group and Lie Algebra	Chris Pryby Sets of Rich Lines in General Position
12.05-1.15	Lunch
1.20-1.40	Emily Leven A Refinement of the Shuffle Conjecture for $t=1/q$ and cars of two sizes	Shanshan Ding A representation-theoretic analysis of a Markov chain	Mark Kempton Eigenvalues of Vectorized Laplacians for Connection Graphs	James M. Carraher Rainbow spanning trees in edge-colored complete graphs
1.45-2.05	Maria Monks Extending the Foata bijection to Young diagram fillings	John Pike Random Walks on Hyperplane Arrangements	Caitlin Phifer The Cycle Intersection Matrix and Applications to Planar Graphs	Angela Hicks A special family of recursive polynomials and their connection to parking function theory
2.10-2.30	Avinash Dalal On Atom Expansions of Macdonald Polynomials	Umit Islak On the longest alternating subsequence problem	Tanmay Deshpande Cones, Lattices and Hilbert Bases of Cuts	Benjamin Stucky An Algorithmic Approach to Raising the Lower Bound of $R(5,5)$
2.35-2.55	Coffee
3.00-4.00	Adriano Garsia, Polyominos and Diagonal Harmonics

The conference dinner will be at Tea House Chinese Restaurant (next to the Days Inn) at 6.30pm.

Sunday, April 21st

The conference will run from 8.30am-12pm in Rapson Hall.

Schedule of Talks

	Room 1	Room 2	Room 3	Room 4
8.30-8.50		Tri Lai Subgraph replacements in enumeration of tilings	Kassie Archer Cyclic Permutations of the $\sigma$-class and Signed Shifts on Words	Sogol Jahanbekam Minimum number of edges in digraphs with specified weak diameter
9.00-9.20	Dominic Searles Schubert calculus and the (co)adjoint varieties	Brad Fox An Extension of Torelli's Pfaffian Identity	Andy Wilson Generalized Mahonian Statistics from Rook Placements	James Hammer A Note on Fixed Inverse Graph Domination
9.25-9.45	Christopher O'Neill Mesoprimary Resolutions	Kellen Myers Rado Numbers: A Systematic Approach	Taylor Allison Covering $n$-Permutations with $n+1$-Permutations	Ben Reiniger Degree Sequences of Uniform Hypergraphs
10.00-10.20	Jose Rodriguez Combinatorial Excess Intersection	In-Jee Jeong Cluster Variables and Weighted Matchings	Zachary Hamaker Edelman-Greene insertion and the Little map	Daniel McDonald On-line rank number of trees
10.25-10.45	Coffee
10.50-11.10	Benjamin Gaines Restricting Tangent Sheaves on Toric Varieties	Qijun He New Combinatorial Problems Motivated By RNA Folding	Joe Chaffee Quadratic Leaves of Packings of $\lambda K_n$	Ping Hu Phase transitions in the Ramsey-Turán theory
11.15-11.35	Sarah Brodsky Cluster Algebras and the Positive Part of a Tropical Variety	Carolyn Troha Subspace Codes: An Introduction to Network Coding	John Wilmes Nontrivial Steiner $t$-designs have at most $n^{O(\log n)}$ automorphisms	Lucas Kramer Diamond-Free Subposets of the Boolean Lattice
11.40-12.00	Dylan Zwick Tropical Quadrics	Andre Kuney Combinatorial Unique Tensor Decomposition	John Asplund Enclosings of $\lambda$-fold 5-cycle systems	Gregory Puleo Tuza's Conjecture for Graphs of Max Average Degree Less Than 7

Cancelled: David Wagner, Chromatic Number of the Unit Distance Graph