请输入您要查询的英文单词:

 

单词 Alexander polynomial
释义

Alexander polynomial

/alɪɡˌzɑːndə pɒlɪˈnəʊmɪəl/ /alɪɡˌzandə pɒlɪˈnəʊmɪəl/
Mathematics
noun
A polynomial in one variable that can be constructed for any knot (based on the number and type of crossings present in a two-dimensional representation of the knot), and is the same for any two knots which are topologically equivalent.
  • Although topologically equivalent knots necessarily have the same Alexander polynomial, knots having the same Alexander polynomial are not necessarily equivalent..

Origin

1930s; earliest use found in American Journal of Mathematics. From the name of James Waddell Alexander, U.S. mathematician, who suggested this method of characterizing knots in 1928 + polynomial.

随便看

 

英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/3/23 6:42:14