Lamplighter Group Definition
noun
The restricted wreath product \mathbf{Z}_2 \wr \mathbf Z.
Wiktionary
Other Word Forms of Lamplighter Group
Noun
Singular:
lamplighter group
Plural:
lamplighter groupsOrigin of Lamplighter Group
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The group can be viewed as acting on a doubly infinite sequence of street lamps \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 l_k.
From Wiktionary
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