Combinatorics Seminar 2017


Dare to know! Have the courage to use your own intelligence!

Technical skill is mastery of complexity, while creativity is mastery of simplicity.

You are very welcome to contribute a talk or participate in a talk in this seminar. If you have any queries/comments on this seminar, please contact Eiichi Bannai (bannai@sjtu.edu.cn) or Yaokun Wu (ykwu@sjtu.edu.cn).

Archive from the previous years (2016, 2015, 2014, 2013, 2012).

Schedule

DateTimeVenueSpeakerTitle
Sat, Mar 18, 2017 14:00 - 15:00 Room 1106 Mikio Nakahara (中原幹夫), Kindai University Quantum computer solves traveling salesman problem efficiently
Sat, Mar 18, 2017 16:00 - 16:50 Middle Meeting Room Alexander Gavrilyuk, University of Science and Technology of China Some recent results on ($P$ and $Q$)-polynomial association schemes
Sun, Mar 26, 2017 16:00 - 17:00 Middle Meeting Room Andrey Raigorodskii (Райгородский Андрей Михайлович), Moscow Institute of Physics and Technology Random subgraphs of some distance graphs
Wed, Apr 19, 2017 10:00 - 11:30 Middle Meeting Room Liqun Qi (祁力群), The Hong Kong Polytechnic University Third order tensors and hypermatrices
Fri, Apr 21, 2017 09:30 - 11:30 Large Meeting Room Sergey Kitaev, University of Strathclyde Word-representable graphs
Mon, Apr 24, 2017 14:00 - 15:00 Middle Meeting Room Fanping Zeng (曾凡平), Guangxi University of Finance and Economics Topological structure of minimal sets
Tue, Apr 25, 2017 15:30 - 17:30 Middle Meeting Room Roman Nedela, Matej Bel University Graph coverings (1)
Wed, Apr 26, 2017 13:30 - 15:30 Middle Meeting Room Roman Nedela, Matej Bel University Graph coverings (2)
Fri, Apr 28, 2017 16:30 - 17:30 Room 3323 Bobo Hua (华波波), Fudan University Combinatorial curvature for planar graphs
Mon, May 01, 2017 16:00 - 17:30 Middle Meeting Room Roman Nedela, Matej Bel University Graph coverings (3)
Wed, May 03, 2017 13:30 - 15:00 Middle Meeting Room Roman Nedela, Matej Bel University Graph coverings (4)
Thu, May 04, 2017 13:30 - 14:30 Middle Meeting Room Victor Buchstaber (Бухштабер Виктор Матвеевич), Steklov Mathematical Institute of RAS Combinatorics of fullerenes and toric topology
Fri, May 05, 2017 10:00 - 11:30 Middle Meeting Room Mikhail V. Volkov (Волков Михаил Владимирович), Ural Federal University Černý conjecture, Pin-Frankl's bound and recent advances
Fri, May 05, 2017 13:30 - 15:00 Middle Meeting Room Mikhail V. Volkov (Волков Михаил Владимирович), Ural Federal University Automata with zero and aperiodic automata
Sun, May 07, 2017 14:00 - 15:00 Middle Meeting Room Mikhail V. Volkov (Волков Михаил Владимирович), Ural Federal University Expansion method
Sun, May 07, 2017 15:50 - 16:50 Middle Meeting Room Mikhail V. Volkov (Волков Михаил Владимирович), Ural Federal University Synchronizing automata and Markov chains
Wed, May 10, 2017 10:00 - 11:30 Middle Meeting Room Mikhail V. Volkov (Волков Михаил Владимирович), Ural Federal University Completely reachable automata
Wed, May 10, 2017 15:00 - 16:00 Middle Meeting Room Mikhail V. Volkov (Волков Михаил Владимирович), Ural Federal University On the interplay between Babai and Černý's conjectures
Fri, May 19, 2017 10:00 - 11:00 Middle Meeting Room Yan Zhu (朱艳), Shanghai Jiao Tong University Relative $t$-designs in some association schemes
Mon, May 22, 2017 16:00 - 17:00 Middle Meeting Room Alexander Gavrilyuk, University of Science and Technology of China On tight sets of hyperbolic quadrics
Mon, May 29, 2016 16:00 - 17:00 Middle Meeting Room Ziqing Xiang (向子卿), University of Georgia An explicit construction of spherical designs
Thu, Jun 08, 2017 15:00 - 16:00 Middle Meeting Room Nguyen Tien Zung, Universit́e Paul Sabatier Convexity in examples, from Lie theory, symplectic geometry and integrable Hamiltonian systems
Fri, Jun 09, 2016 14:00 - 15:30 Middle Meeting Room Tomoyoshi Ibukiyama (伊吹山知義), Osaka University Introduction to Siegel modular forms and automorphic differential operators: I
Fri, Jun 09, 2016 16:15 - 17:15 Middle Meeting Room Tomoyoshi Ibukiyama (伊吹山知義), Osaka University Introduction to Siegel modular forms and automorphic differential operators: II
Wed, Jun 14, 2016 10:00 - 11:30 Room 1106 Tomoyoshi Ibukiyama (伊吹山知義), Osaka University Introduction to Siegel modular forms and automorphic differential operators: III
Wed, Jun 14, 2016 14:00 - 15:00 Room 1106 Tomoyoshi Ibukiyama (伊吹山知義), Osaka University Introduction to Siegel modular forms and automorphic differential operators: IV
Mon, Jun 19, 2016 10:00 - 11:30 Room 1106 Tomoyoshi Ibukiyama (伊吹山知義), Osaka University Introduction to Siegel modular forms and automorphic differential operators: V
Mon, Jun 19, 2016 16:00 - 17:00 Room 1106 Tomoyoshi Ibukiyama (伊吹山知義), Osaka University Introduction to Siegel modular forms and automorphic differential operators: VI
Sat, Jul 15, 2017 14:30 - 16:30 Middle Meeting Room Wenxue Du (杜文学), Anhui University The Graph Isomorphism Problem
Tue, Sep 12, 2017 11:00 - 12:00 Middle Meeting Room Tullio Ceccherini-Silberstein, Universita' del Sannio Cellular automata and the Moore-Myhill Garden of Eden Theorem
Tue, Sep 12, 2017 14:00 - 16:30 Large Meeting Room Tullio Ceccherini-Silberstein, Universita' del Sannio Amenablity and paradoxical decompositions
Thu, Sep 14, 2017 16:30 - 17:30 Middle Meeting Room Yizhe Zhu (朱亦哲), University of Washington A graphon approach to spectral analysis of random matrices and random graphs
Fri, Sep 15, 2017 10:00 - 12:00 Middle Meeting Room Tullio Ceccherini-Silberstein, Universita' del Sannio Amenable groups and the Garden of Eden Theorem
Sat, Sep 16, 2017 10:00 - 11:00 Middle Meeting Room Tullio Ceccherini-Silberstein, Universita' del Sannio The Garden of Eden Theorem for Anosov diffeomorphisms on tori
Sat, Sep 16, 2017 13:00 - 14:30 Middle Meeting Room Tullio Ceccherini-Silberstein, Universita' del Sannio A Garden of Eden Theorem for expanding principal actions
Fri, Sep 22, 2017 14:00 - 15:30 Middle Meeting Room Tullio Ceccherini-Silberstein, Universita' del Sannio Gromov's Theorem: Finitely generated groups and their growth
Fri, Sep 22, 2017 16:00 - 17:30 Middle Meeting Room Tullio Ceccherini-Silberstein, Universita' del Sannio Gromov's Theorem: Asymptotic cones and the proof of the theorem
Wed, Oct 11, 2017 16:00 - 16:45 Middle Meeting Room Danrun Huang (黄旦润), St. Cloud State University Flow equivalence of shifts of finite type and Cuntz-Krieger algebras I: Introduction
Wed, Oct 11, 2017 17:10 - 18:00 Middle Meeting Room Danrun Huang (黄旦润), St. Cloud State University Flow equivalence of shifts of finite type and Cuntz-Krieger algebras II: Classifications and beyond

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