lamplighter group

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English

English Wikipedia has an article on:
Wikipedia

Etymology

The group can be viewed as acting on a doubly infinite sequence of street lamps Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "http://localhost:6011/en.wiktionary.org/v1/":): {\displaystyle \dots,l_{-2},l_{-1},l_0,l_1,l_2,l_3,\dots} each of which may be on or off, with a lamplighter standing at some lamp .

Noun

lamplighter group (plural lamplighter groups)

  1. (group theory) The restricted wreath product .