A partition of a positive integer n is a non-increasing sequence of positive integers whose sum is n, the partitions of 3 ...

Algebraic and enumerative combinatorics seminar October 3Abstract: The standard definition of security for digital signatures—existential unforgeability—does not ensure certain properties that ...

TEHRAN –The Iranian Combinatorics Olympiad (ICO) will be held online with the participation of some 50 countries.

Marijn Heule turns mathematical statements into something like Sudoku puzzles, then has computers go to work on them. His ...

David Cook II has always loved numbers.  He remembers, from a very young age, sitting in the back seat of the family car and ...

在数学的广袤版图中，描述系统随时间演化规律的动力系统理论始终占据着核心地位。从天体运行的轨道预测到流体湍流的混沌现象，从生物种群的数量波动到量子力学中的波函数演化，动力系统理论为理解自然界和科学实验中广泛存在的动态过程提供了强大的数学语言和工具。而遍历理论（Ergodic ...