一类核具有连续横截面变换半群的秩

发布时间：2018-05-20 02:15

  本文选题：变换半群 + 保序　； 参考：《数学的实践与认识》2017年15期

【摘要】：设X_n={1,2,…,n}并赋予自然数序,MCK_n是X_n上核具有连续横截面保序或反序变换所构成的半群.K_n是MCK_n的最大正则子半群.本文将考虑K_n的理想K(n,r)={α∈K_n:|im(α)|≤r}(3≤r≤n-1).证明了K(n,r)的秩为(n-r+1)(n-r+2)(n-r+3)/6.
[Abstract]:Set up XS _ n = {1T _ 2,. It is also given that the natural number order MCK _ n is a semigroup with continuous cross-section conserved or inverse order transformation. K _ n is the largest regular subsemigroup of MCK_n. In this paper, we consider the ideal K _ n _ n of K _ n = {伪 鈭，

本文编号：1912741