Program
 
 

Morning, February 25, 2004. Chair: Péter Erdös

9:10am - 9:30am Zhexian Wan Welcome Speech
     
9:30am - 10:15am Andreas Dress Basic Phylogenetic Combinatorics
     
10:30am - 11:00am Jiang Zeng Euler-Mahonian Statistics on Ordered Partitions and q-Meixner Polynomials
     
11:10am - 11:40am Julian West Perfect Matchings for the Gale-Robinson Sequence

Afternoon, February 25, 2004. Chair: Martin Klazar

2:30pm - 3:00pm Sylvie Corteel (Anti)-Lecture Hall, q-Series and Truncated Objects
     
3:10pm - 3:40pm Miklós Bóna Combinatorial Proofs of Log-concavity and Log-convexity Results for Permutations with Restricted Cycle Structure
     
4:00pm - 4:30pm Elena Barcucci Paths, Permutations and Trees: from Fibonacci to Catalan
     
4:40pm - 5:10pm Jeremy Lovejoy Overpartition Analogues of Classical Families of Partition Theorems
     
5:20pm - 5:50pm Antonio Bernini Enumerating Permutations Avoiding Three Babson - Steingrímsson Patterns
Abstract PDF     Full Text PDF

Morning, February 26, 2004. Chair: Andreas Dress

9:00am - 9:30am Alex Grossmann Ranks, Trees, Networks
     
9:40am - 10:10am Mike Steel Phylogenetic Closure Operations, and Homoplasy-free Evolution
     
10:30am - 11:00am László Székely The Number of Subtrees in Trees
     
11:10am - 11:40am Wen-jin Woan Trees, Paths, Animals and Permutations

Afternoon, February 26, 2004. Chair: Julian West

2:30pm - 3:00pm Louis W. Shapiro The Exponential Riordan Group
     
3:10pm - 3:40pm Toufik Mansour Restricted Motzkin Permutations, Motzkin paths, Continued Fractions, and Chebyshev Polynomials
     
4:00pm - 4:30pm Tung-Shan Fu Some Results on Enumeration of Schröder Paths with Flaws
     
4:40pm - 5:10pm Sen-Peng Eu Chung-Feller Theorems on the Generalized Dyck d-Paths and the Bicolored Expansion
     
5:20pm - 5:40pm Melkamu Zeleke K-trees and Applications (I)
     
5:40pm - 6:00pm Mahendra Jani K-trees and Applications (II)

Morning, February 27, 2004. Chair: Bill Chen

9:00am - 9:30am Chris Barrett Discrete Dynmical Systems and Combinatorial Structures
     
9:40am - 10:10am Martin Klazar Permutations as Hypergraphs
     
10:30am - 11:00am Luca Ferrari Catalan-like Numbers and Succession Rules
     
11:10am - 11:40am Yaotsu Chang A Note on the Weight Distributions of Binary Quadratic Residue Codes

Afternoon, February 27, 2004. Chair: Elena Barcucci

2:30pm - 3:00pm Florian Luca Integer Root Chromatic Polynomials of Nonchordal Graphs and the Prouhet-Tarry-Escott Problem
     
3:10pm - 3:40pm Bill Chen Recent Results on Paths, Permutations and Trees
     
4:00pm - 4:45pm Alain Lascoux Alternating Sign Matrices, Schubert and Grothendieck Polynomials