Forgot password
 Register account
View 207|Reply 1

[几何] $F_2$ 最小覆盖圆

[Copy link]

3200

Threads

7827

Posts

52

Reputation

Show all posts

hbghlyj posted 2025-4-29 18:16 |Read mode
$F_2$为由$a$、$b$和它们的逆元组成的字符串的集合
例如sagecell.sagemath.org/?q=lbulhv
  • $a^5ba^2b^{-4}a$的长度为13
  • $a^{17}$的长度为17
  • $a^0$的长度为0

$F_2$的两个元素的距离$d(x,y)$定义为$xy^{-1}$的长度
例如$d(a,a)=0,d(a^{-2},a^7)=9,d(a^5ba^2,a^{-1}b^4)=13$.

给定$x_1,\dots,x_n\in F_2$
求$f(y)=\max_id(y,x_i)$的最小值

3200

Threads

7827

Posts

52

Reputation

Show all posts

original poster hbghlyj posted 2025-4-29 18:20
能否通过将$F_2$嵌入双曲平面(图8)计算最小覆盖圆

Quick Reply

Advanced Mode
B Color Image Link Quote Code Smilies
You have to log in before you can reply Login | Register account

$\LaTeX$ formula tutorial

Mobile version

2025-7-15 15:16 GMT+8

Powered by Discuz!

Processed in 0.017682 seconds, 39 queries