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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Local Method for Compositional Inverses of Permutation Polynomials
置换 多项式复合逆 局部方法
2023/4/18
In this talk, we will talk about a local method to find compositional inverses of all PPs, some new PPs and their compositional inverses are given.
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Higher dimensional Heegaard Floer homology and Hecke algebras
高维 希加德弗洛尔同调 赫克代数
2023/4/18
Higher dimensional Heegaard Floer homology (HDHF) is a higher dimensional analogue of Heegaard Floer homology in dimension three. It's partly used to study contact topology in higher dimensions. In a ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：On Lehmer's problem
莱默问题 代数闭包 小Weil高度
2023/4/19
Let x be an algebraic number. Lehmer's problem predicts that the product of the degree of x and the Weil height of x is bounded by an absolute constant. The basic idea to tackle this problem is to stu...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：多重斜正交多项式和多分量pfaff格
多重 斜正交多项式 多分量 pfaff约束
2023/4/26
本报告将从pfaffian恒等式出发，讲述关于多分量pfaff格的发现，这其中包含了很多著名的经典可积方程，如DKP方程的贝克隆变换所对应的方程。之后，将从多分量pfaff格的解构造一族多重斜正交多项式。
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Vanishing of some algebraic cycles on powers of Shimura curves
志村曲线 幂 代数 循环消失
2023/4/27
For a smooth projective variety over a number field, the Beilinson—Bloch conjecture predicts that Chow groups of algebraic cycles modulo rational equivalence can be determined using cohomological data...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：On the subadditivity of generalized Kodaira dimensions (Part I)
广义 小平维度 子加性
2023/5/5
In these series of talks, we will focus on the study of the Iitaka conjecture, which predicts the subadditivity of Kodaira dimensions for any algebraic fiber space. In the first part, we recall some b...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：The algebraic incarnations of the Artin Vanishing
Artin 消失 代数化身
2023/5/16
The non-abelian Hodge theory, briefly can be viewed as building a correspondence between certain topological objects, analytic objects, and algebraic objects. In this talk, I will show that Kodaira-ty...
安徽师范大学数学与统计学院举办2019年代数与数论论坛（图）
安徽师范大学数学与统计学院 2019年 代数与数论 论坛
2019/10/11
在中华人民共和国成立70周年之际，数统学院院庆90周年系列学术活动之2019安徽师范大学代数与数论论坛在我校顺利召开。本次论坛由学院杰出校友肖杰和徐飞两位教授牵头，40余位师生参加。论坛采取专题报告与自由讨论的方式。10月1日，南京大学秦厚荣、天津大学孙笑涛、复旦大学陈猛、清华大学肖杰、首都师范大学徐飞等五名代数与数论研究领域知名专家分别主讲了五场高水平的学术报告。与会专家和师生进行了深度地交流，...