Program of Eighth Shanghai Conference on Combinatorics

5.23 14:00-22:00 Registration(The Academic Activity Center of Minhang

Campus)

5.24 09:00-09:50 Opening ceremony, Photographing (Lecture Hall in The

Academic Activity Center)

Chair: Joseph A. Thas

(Lecture Hall in

The Academic Activity

Center)

09:50-

10:40

Richard A. Brualdi (University of Wisconsin at Madson)

Title: Permutations, X-rays, Tournaments, Partial Latin

Squares, Transversals, and Skolem Sequences

10:40-

11:30

Ian F. Blake(University of British Columbia)

Title: Finite Geometries and LDPC Codes

11:30-13:30 Lunch

5.24

Chair: Peter Hamburger

(Room A in Department

of Mathematics)

14:00-

14:25

Ebrahim Salehi(University of Nevada Las Vegas)

Title: Fully Product Cordial Graphs

(Room A)

Etsuko Bannai(Kyushu University)

Title: On β(i)-Designs

(Room B)

Chair: Lijun Ji

(Room B in Department

of Mathematics)

14:25-

14:50

An Chang(Fuzhou University)

Title: H-Eigenvalues of Tensors of Uniform Hypergraphs

(Room A)

Yunqing Xu(Ningbo University)

Title: Modification of Edon80 to Resist the Key

Recovery Attack(Room B)

5.2414:50-

15:15

Sho Suda (Aichi Kyoiku University)

Title: Characterizations of Tight Complex Two Codes

(Room A)

Min Yan(Hong Kong University of Science

and Technology)

Title: Tilings of the Sphere by Congruent Pentagons

(Room B)

15:15-15:25 Coffee Break

5.24

Chair: An Chang

(Room A in Department

of Mathematics)

15:25-

15:50

Ju Zhou(Kutztown University)

Title: Pancyclicity of 4-connected Claw-free Net-free

Graphs (Room A)

Takuya Ikuta(Kobe Gakuin University)

Title: Complex Hadamard matrices and association

schemes(Room B)

Chair: Kejun Chen

(Room B in Department

of Mathematics)

15:50-

16:15

Kinkar Chandra Das(Sungkyunkwan University)

Title: Relation between Energy of Different Matrices

from Graph(Room A)

Masashi Shinohara(Shiga University)

Title: Interval Methods for a Classification of Three

Distance Sets (Room B)

16:15-

16:40

Jiyou Li(Shanghai Jiao Tong University)

Title: Some Asymptotic Results about Compositions

(Room A)

Lijing Zhang(Hebei Normal University)

Title: Non-symmetric Association Schemes Related to

Double Regular Asymmetric Digraphs(Room B)

16:40-16:50 Coffee Break

5.24

Chair: Kinkar Chandra

Das(Room A in

Department of

Mathematics)

16:50-

17:15

Lihua Liu(Shanghai Maritime University)

Title: Asymptotically Good IPP Codes(Room A)

Yan Zhu(Shanghai Jiao Tong University)

Title: Tight Relative 2-designs on Two Shells in

Johnson Association Schemes J(v, d) (Room B)

Chair: Junling Zhou

(Room B in Department

of Mathematics)

17:15-

17:40

Xiuli Li(Qingdao University of Science and Technology)

Title: 2-D Skew-cyclic Codes over Fq[x, y; ρ, θ]

(Room A)

Weixia Li(Qingdao University)

Title: Simple 3-(v, k, 1) Designs and 3-(v, k, 2) Designs

from PSL(2, q) (Room B)

17:40-

18:05

Ali Ahmad(Jazan University)

Title: On Edge Irregularity Strength of Graphs

(Room A)

Shailaja Shirkol(SDMCET, Dharwad, Karnataka)

Title: Designs Associated with Sets of Graph

(Room B)

5.2418:05-

18:30

Mohammad Rahim (FAST-NUCES, Peshawar, KPK,

Pakistan)

Title: Connected 4-cyclic Extremal Degree Distance

Graphs (Room B)

18:30- Dinner

5.25

Chair: Gengsheng Zhang

(Room A in Department

of Mathematics)

08:30-

08:55

Peter Hamburger(Western Kentucky University)

Title:The Removable Pair Conjecture for Fractional

Dimension(Room A)

Joseph A. Thas(Ghent University)

Title: Open Problems in Finite Projective Spaces:

Arcs and Caps (Room B)

Chair: Yunqing Xu

(Room B in Department

of Mathematics)

08:55-

09:20

Su Wang(School of Science, Nantong University)

Title: A New Class of Optimal Optical Orthogonal

Codes with Weight Six (Room A)

Ruizhong Wei(Lakehead University)

Title: Semi-cyclic HGDDs

(Room B)

5.2509:20-

09:45

Jacobus Koolen(University of Science and Technology

of China)

Title: On Bounds of Eigenvalues for a Distance-regular

Graph (Room A)

Nobuo Nakagawa(Kinki University)

Title: On Equations of Finite Fields of Characteristic 2

and APN Functions(Room B)

09:45-10:00 Coffee Break

Chair: Jacobus Koolen

(Room A in Department

of Mathematics)

10:00-

10:25

Shi-Mei Ma(Northeastern University at Qinhuangdao)

Title: Enumeration of Permutations by Their

Alternating Runs(Room A)

Hiroshi Nozaki(Aichi University of Education)

Title: Dual Properties on Polynomial Association

Schemes (Room B)

5.25

Chair: Ruizhong Wei

(Room B in Department

of Mathematics)

10:25-

10:50

Xiu-Mei Zhang (Shanghai sandau University)

Title: The Number of Subtrees of Trees with Given

Degree Sequence(Room A)

Minquan Cheng(Guangxi Normal University)

Title: Upper Bounds on 3̄-Separable Codes of Length 3

(Room B)

10:50-

11:15

Lingfei Jin(Nanyang Technological University)

Title: List Decoding from Erasures

(Room A)

Jiachen Shen (Shanghai Jiao Tong University)

Title: Signal Processing in Encrypted Domain(Room B)

5.2511:15-

11:40

Yalei Jin (Shanghai Jiao Tong University)

Title: Sharp Bounds for the Signless Laplacian Spectral

Radius in terms of Clique Number(Room A)

Zhenbin Gao(Harbin Engineering University)

Title: To Be Announced (Room B)

11:40-13:00 Lunch

14:00-

Leaving Shanghai for Jiaxing

Meeting place: Lobby in The

Academic Activity Center

5.26 Chair: Qing Xiang08:00-

08:50

Shu Lin(University of California)

Title: Construction of New Partial Geometries and

Their Associated Low-Density Parity Check Codes

08:50-

09:40

Johannes Siemons(University of East Anglia)

Title: Designs and Representation Theory

09:40-10:00 Coffee Break

Chair: Chaoping Xing10:00-

10:50

Cun-Quan Zhang(West Virginia University)

Title: Fulkerson Conjecture and Perfect Matching

Cover

10:50-

11:40

Koen Thas (Ghent University)

Title: Mutually Unbiased Bases and the Geometry

of Alternating forms

11:40-13:00 Lunch

13:00-18:00Excursion Time

Meeting place: Main Lobby in Yuehe Hotel

18:00- Banquet

5.27 Chair: Eiichi Bannai08:00-

08:50

Richard M. Wilson (California Institute of Technology)

Title: Polynomial and Matrix Methods in Extremal Set

Theory

08:50-

09:40

Qing Xiang (University of Delaware)

Title: The Smith and Critical Groups of a Graph

09:40-10:00 Coffee Break

Chair: Akihiro Munemasa10:00-

10:50

Yanxun Chang (Beijing Jiaotong University)

Title: t-Spontaneous Emission Error Designs

10:50-

11:40

Zhicheng Gao(Carleton University)

Title: Part Sizes of Smooth Supercritical Compositional

Structures

11:40-14:00 Lunch

5.27 Chair: Ebrahim Salehi14:00-

14:50

Chaoping Xing(Nanyang Technological University)

Title: List Decoding Reed-Solomon and Algebraic

Geometry Subcodes up to the Singleton Bound

14:50-

15:40

Eddie Fuller(West Virginia University)

Title: Spanning Tree Centrality for Weighted Graphs

15:40-16:00 Coffee Break

Chair: Richard A. Brualdi16:00-

16:50

Eiichi Bannai (Shanghai Jiao Tong University)

Title: Tight Relative t-designs in Association Schemes

16:50-

17:40

Akihiro Munemasa(Tohoku University)

Title: Godsil-McKay switching and twisted Grassmann

graphs

18:00- Dinner

5.28 Chair: Richard M. Wilson08:00-

08:50

Xuding Zhu (Zhejiang Normal University)

Title: Painting Game on Graphs

08:50-

09:40

Yeong-Nan Yeh(Academia Sinica, Taipei)

Title: Combinatorial Expansions for Paths,

Chung-Feller Theorem and Hankel Matrix

09:40-09:50 Closing

10:45-

Leaving Yuehe Hotel and

arriving in Shanghai before 15:30

Meeting place: Main Lobby in Yuehe Hotel

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