June 27 - July 01, 2011
Program:
The program is now available. Please click here for the .pdf version.
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Monday |
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8:00 |
Registration |
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9:55 |
Opening (Room SOS B21) |
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10:00 |
Carsten Thomassen The Weak 3-Flow Conjecture and Graph Decomposition |
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10:50 |
Coffee Break |
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11:10 |
C. Lindner Triple metamorphosis of twofold triple systems |
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11:35 |
E. Billington Complete sets of metamorphoses of twofold 4-cycle systems into twofold 6-cycle systems |
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12:00 |
A. Hilton Two possible approaches to solving a conjecture about embedding partial Steiner triple systems |
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12:20 |
Lunch |
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14:00 |
Ales Drapal Spherical and Toroidal Latin Bitrades |
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Room SOS B21 |
Room SOS B08 |
14:55 |
N. Francetic Covering Arrays with Row Limit w = 4 |
S. Malik Hamiltonian Cycles in Directed Toeplitz Graphs |
15:20 |
F. Demirkale Enumeration of Orthogonal Arrays |
A. Mohammadian Integral Trees |
15:45 |
T. van Trung On new bounds for separating hash families C. |
A. Pasotti d-graceful labelings and graph decompositions |
16:05 |
Coffee |
Coffee |
16:25 |
C. Eslahchi Generalization of the outer-connected domination in graphs |
C. Caliskan Odd order 2(n+1) regular connected Cayley graphs on elementary abelian groups are Hamilton decomposable |
16:50 |
S. Qajar A Note on Roman Bondage Number of Graphs |
N. Pace Decomposing the Higman-Sims graph into double Petersen graphs |
17:15 |
H. Maimani Dynamical 2-domination of graphs |
A. Tayfeh-Rezaie On the classification of Hadamard matrices of order 32 |
19:00 |
CONFERENCE WELCOME RECEPTION Swimming pool area |
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Tuesday |
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9:30 |
Spyros Magliveras Resolutions of t-designs, orthogonality, and group theoretic constructions |
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10:25 |
D. Hoffman Group Divisible 2-Perfect Hexagon Systems |
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10:50 |
M. Buratti Dihedral Hamiltonian cycle systems of K2n - I (a case of serendipity in combinatorics) |
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11:10 |
Coffee Break |
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11:30 |
P. Danziger Factorizations of the complete graph into bipartite 2-factors |
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11:55 |
T. Traetta 2-starters, graceful labelings and a doubling construction for the Oberwolfach problem |
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12:15 |
Lunch |
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14:00 |
Charles Colbourn Combinatorial t-structures |
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Room SOS B21 |
Room SOS B08 |
14:55 |
D. Cardoso New spectral upper bounds on the size of k-regular induced subgraphs |
L. Montejano Restricted arc-connectivity of digraphs |
15:20 |
G. Aalipour Graphs determined by their Laplacian spectra |
J. Piñón New results on connectivity of cages |
15:45 |
E. Martins Bounds for the signless Laplacian energy |
L. Adamus Size condition for cycles in bipartite digraphs
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16:05 |
Coffee Break |
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16:25 |
M. Bodur Integer Programming Formulations for the Minimum Weighted Maximal Matching Problem |
E. Ghorbani Simple signed Steiner triple systems
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16:50 |
S. Abdullahi VE Algorithm for dual LI(2) Systems via an Example |
S. Cichacz-Przenioslo (Cn,k)-vertex stable graphs
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17:15 |
F. Alizadeh On the cozero-divisor graph of a commutative ring |
A. Eren A short proof that geodetic number is NP-hard in cobipartite graphs |
17:35 |
E. Salturk The Total Number of Fuzzy Subgroups of Zpn |
M. Laffin Fixed Block Configuration GDDs with Block Size Six |
18:30 |
Buses Depart for the Bosphorus Boat Tour from The Minibus Stop |
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Wednesday Excursion to Istanbul historical highlights Buses Depart at 8:45 am from The Minibus Stop |
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Thursday |
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9:30 |
Jeff Dinitz Construction for Retransmission Permutation Arrays |
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10:25 |
D. Donovan Latin squares and determinants |
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10:50 |
I. Wanless The number of subsquares in a latin square |
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11:10 |
Coffee Break |
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11:30 |
D. Pike Colouring Block Designs |
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11:55 |
P. Hamburger The Bollobas-Eldridge Packing Theorem for Hypergraphs |
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12:15 |
Lunch |
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14:00 |
Saad El-Zanati On Some Recent Progress on Rosa Type Labelings |
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Room SOS B21 |
Room SOS B08 |
14:55 |
M. Shalom Edge Intersection of Non-Splitting Paths in a Tree |
L. Ragoup Weinberger's Method for an over-determined elliptic problem |
15:20 |
H. Torabi On the some parameters of random graphs |
M. Oboudi On the edge cover polynomial of graphs and their roots |
15:45 |
F. Tchier Relational Graphs and demonic semantics
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S. Alikhani Chromatic Polynomials of Certain Polyphenylene Dendrimers |
16:05 |
Coffee Break |
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16:25 |
R. Casablanca On the Menger number of graphs |
H. Hosseinzadeh On the Hamiltonian coloring of graphs |
16:50 |
T. Ekim Defective Ramsey Numbers |
N. Chiang A Study on the Radio Colourings of Graphs |
17:15 |
H. Chang Enumeration of RNA secondary structures |
A. Boyaci New Heuristic Methods for Unit Disk Graph Vertex Coloring and Its Reoptimization |
17:35 |
A. Hamadi Optimizing Quasi-Locally Quasi-Line graphs |
Z. Yorgancioglu Total Coloring Of Thorny Graphs |
18:30 |
Buses Depart for the Banquet from The Minibus Stop |
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Friday |
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9:30 |
Alan Ling Asymptotic Existence of Combinatorial Designs |
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10:25 |
S. Akbari Zero-Sum Flows in Designs |
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10:50 |
J. Moori Designs and Codes from PSL2(q) |
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11:10 |
Coffee Break |
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11:30 |
A. Montinaro Primitive rank 3 linear spaces |
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11:55 |
B. Guler
On connectedness of the suborbital graphs of the Picard group |
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12:15 |
Lunch |
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Room SOS B21 |
Room SOS B08 |
14:00 |
P. Wang On the surviving rate of graphs |
F. Shaveisi On the Regular Digraph of Ideals of an Artinian Ring |
14:25 |
O. Diner Forbidden Minor Characterizations for Edge Searching |
R. Nikandish Diameter and some finiteness conditions on the intersection graph of ideals of a ring |
14:50 |
F. Ramezani On the Spectral and switching invariants of Kneser Graphs |