11

2017-09

（9月22日）Some Sophisticated Applications of the Combinatorial Nullstellensatz

Title: Some Sophisticated Applications of the Combinatorial NullstellensatzSpeaker: Professor Zhi-Wei Sun (Nanjing University)Time: 10:00-11:00am, Sep 22, 2017Venue: 200-9, Sir Run-Run Shaw Business Building, Yuquan CampusAbstract:  Alon's Combinatorial Nullstellensatz (or the polynomial method) is a very useful tool in additive combinatorics. In this talk we introduce some...

05

2017-09

2017 Number Theory Days in Hangzhou(2017年杭州数论会议)

2017 Number Theory Days in Hangzhou 2017年杭州数论会议  2017年杭州数论会议将于9月22日至24日在西溪湿地西溪天堂举行，由浙江大学数学学院主办。22日（周五）会议报到，23日和24日上午学术报告，下午拟安排专场提问题和讨论（如同一年一度的美国西海岸数论会议）。目前，已有塞尔维亚数论学家、塞尔维亚科学院院士Aleksandar IVIC教授和罗马尼亚裔瑞士数论学家、德国哥廷根大学Preda Mihailescu教授应邀参加并作报告...

05

2017-09

2017 Number Theory Days in Hangzhou(2017年杭州数论会议)

2017 Number Theory Days in Hangzhou 2017年杭州数论会议  2017年杭州数论会议将于9月22日至24日在西溪湿地西溪天堂举行，由浙江大学数学学院主办。22日（周五）会议报到，23日和24日上午学术报告，下午拟安排专场提问题和讨论（如同一年一度的美国西海岸数论会议）。目前，已有塞尔维亚数论学家、塞尔维亚科学院院士Aleksandar IVIC教授和罗马尼亚裔瑞士数论学家、德国哥廷根大学Preda Mihailescu教授应邀参加并作报告...

01

2017-09

(9月5日）Semifields, Maximum Rank Distance codes and related geometric structures

Title: Semifields, Maximum Rank Distance codes and related geometric structuresSpeaker: Professor Rocco Trombetti (University of Naples Federico II) Time: 7:00-8:00pm, Sep 5, 2017Venue: 200-9, Sir Run-Run Shaw Business Building, Yuquan CampusAbstract: In the last decade maximum rank distance codes gained great interest from the part of Finite Geometers. This mainly because of their application i...

29

2017-08

(8月31日）An Index Theory for Zero Energy Solutions of the Planar Anisotropic Kepler Problem

Title: An Index Theory for Zero Energy Solutions of the Planar Anisotropic Kepler ProblemSpeaker: Guowei Yu（University of Paris-Dauphine/Paris Observatory）Time: 3:30-4:30PM, August 31 (周四), 2017; 工商楼 200-9Abstract: The planar anisotropic Kepler problem describes the motion of an electron in a semiconductor by an impurity of the donor type. In this talk, we give a complete classification of ...

25

2017-08

(8月31日） Cyclic constant-weight codes

Title： Cyclic constant-weight codesSpeaker: Professor Yanxun Chang (Beijing Jiaotong University)Time: 7:00-8:00pm, August 31, 2017Venue: 200-9, Sir Run-Run Shaw Business Building, Yuquan CampusAbstract： A cyclic $(n,d,w)_q$ code is a $q$ ary cyclic code of length $n$, minimum Hamming distance $d$ ...

25

2017-08

(8月31日） Cyclic constant-weight codes

Title： Cyclic constant-weight codesSpeaker: Professor Yanxun Chang (Beijing Jiaotong University)Time: 7:00-8:00pm, August 31, 2017Venue: 200-9, Sir Run-Run Shaw Business Building, Yuquan CampusAbstract： A cyclic $(n,d,w)_q$ code is a $q$ ary cyclic code of length $n$, minimum Hamming distance $d$ ...

24

2017-08

（9月4日）Coordinatisation, Pickert & Beyond

Title: Coordinatisation, Pickert & Beyond Speaker: Professor Robert Coulter (University of Delaware) Time: 7:00-8:00pm, September 4, 2017 Venue: 200-9, Sir Run-Run Shaw Business Building, Yuquan Campus  Abstract: We will give an introduction to Hall's method for introducing a coordinate system to an arbitrary projective plane. Pickert's results (from the 1950s) connecting algebraic proper...

24

2017-08

(8月30日）Some open problems on duality of bent functions

Title: Some open problems on duality of bent functionsSpeaker: Professor Alexander Pott (University of Magdeburg)Time: 10:30-11:30, Aug 30, 2017Venue: 200-9, Sir Run-Run Shaw Business Building, Yuquan CampusAbstract:  A bent function is a mapping $f:/mathbb{F}_p^n/to /mathbb{F}_p^m$ such that $f(x+a)-f(x...

24

2017-08

（9月4日）Coordinatisation, Pickert & Beyond

Title: Coordinatisation, Pickert & Beyond Speaker: Professor Robert Coulter (University of Delaware) Time: 7:00-8:00pm, September 4, 2017 Venue: 200-9, Sir Run-Run Shaw Business Building, Yuquan Campus Abstract: We will give an introduction to Hall's method for introducing a coordinate system to an arbitrary projective plane. Pickert's results (from the 1950s) connecting algebraic properties ...

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