lamplighter group

短语

词形变化

lamplighter groups 复数 lamplighter groups

释义与例句

n.
  1. 1.

    The restricted wreath product mathbf Z₂≀ mathbf Z.

    数学

词源

The group can be viewed as acting on a doubly infinite sequence of street lamps …,l_-2,l_-1,l_0,l_1,l_2,l_3,… each of which may be on or off, with a lamplighter standing at some lamp l_k.

来源：wiktionary