

IPM»
School of
Mathematics»
IPM
Combinatorics II
Invited Speakers
 Saieed Akbari
(IPM & Sharif University of
Technology, Iran)

On Unimodular Graphs

Aart Blokhuis (Eindhoven
University of Technology, Netherlands)

Extremal Combinatorics and Finite Geometry

On Linear Codes Whose Weights and Length Have
a Common Divisor

Andries E. Brouwer
(Eindhoven
University of Technology, Netherlands)

The Chromatic Number of the qKneser Graph

Jeff Dinitz
(University
of Vermont, USA)

Perfect and Uniform Onefactorizations of the
Complete Graph

Willem H. Haemers (Tilburg
University, Netherlands)

Spectral
Characterizations of Graphs

Cospectral
Graphs and the Generalized Adjacency Matrix

Samad Hedayat (University
of Illinois , Chicago, USA)

Orthogonal
Arrays: With or Without Additional Structure or Properties

Hadi Kharaghani (University
of Lethbridge, Lethbridge, Canada)

Siamese Combinatorial Objects

Elena
Konstantinova (Sobolev
Institute of Mathematics,
Russia)

Intersection of Metric Balls in Cayley Graphs

Brendan Mckay (Australian
National University, Australia)

Thoughts on the Isomorphism Problem

The Number of Latin Squares

Patric
östergard
(Helsinki
University of Technology, Finland)

Classification of Combinatorial Objects

Clique and Exact Cover Algorithms in
Combinatorics

Shahriar Shahriari (Pomona
College, Claremont, CA, USA)

Chains and Matchings
 Behruz
TayfehRezaie
(IPM, Iran)

Construction and Classification of
Combinatorial Designs by Computer Search

Richard M. Wilson (California
Institute of Technology, USA)

The FranklWilson Inequalities and Pary
tdesigns

More on Decompositions of Edgecolored

Qing Xiang (University
of Delaware,
USA)

Modular Ranks and Smith Normal Forms of Some
Incidence Matrices

Symmetric Bushtype Hadamard Matrices of Order
4m^4 Exist for All Odd m
Contributed Speakers
 Alireza Abdollahi
(University of Isfahan, Iran)

Minimal
Blocking Sets with Respect to Hyperplanes in PG(n, 2)
 Haydeh Ahrabian
(University of Tehran, Iran)

A New Algorithm
for Generation of Different Types of RNA
with Length n
 Alireza Alipour
(IPM & Sharif University of
Technology, Iran)
Combinatorial
Results Using Inner Products
 Omid Amini
(Ecole Polytechnique, France)

WDM and Directed Star Arboricity of
Digraphs
 Majid Behbahani
(Concordia University,
Quebec, Canada)

On Construction of a Partial Geometry with Parameters
s = 6, t = 10, and
α = 5
 Vahid
DabbaghianAbdoly (Simon
Fraser University, Canada)

Constructing
Matrix Representations of Finite Groups
 Ebrahim Ghorbani
(IPM & Sharif University of
Technology, Iran)

Smith Normal Form of Graphs
 Narges Ghareghani
(IPM & University of Tehran,
Iran)

On Zero Sum 5flow Conjecture
 Wolfgang Holzman
(University
of Lethbridge, Lethbridge, Canada)

On the
Asymptotic Existence of Complex Orthogonal Designs
 Navid Imani
(IPM & Sharif University of
Technology)
On Some
Combinatorial Properties of the Star Cayley Graph
 Hamid Reza
Maimani
(IPM & Shahid Rajaee Teacher
Training University, Iran)

Graphical Representation of Rings
 Farokhlagha
Moazami
(Sharif University of Technology,
Iran)

Commuting Decompositions of Complete Bipartite
Graphs
 Morteza MohammadNoori
(IPM & University of Tehran,
Iran)

The Row Space of the Inclusion Matrix Wtk(v)*
 Doost Ali Mojdeh
(University of Mazandaran, Iran)

Critical and Bicritical Geodomination
 Manouchehr Zaker
(IASBS, Iran)

Bounds for the Chromatic Number of General
Graphs and Graphs with High Girth
 Sanaz Zare
Firoozabadi (Sharif University of Technology, Iran)

Energy of
Graphs
