lamplighter

n.

点燃街灯的灯夫，（点灯用的）纸捻（或小木板）；

Lamplighter
Lamplighter.
Random Walks on the Lamplighter Group
Invariant random subgroups of lamplighter groups
Dead end words in lamplighter groups and other wreath products
The Lamplighter Group as a Group Generated by a 2-state Automaton, and its Spectrum
Spectral Computations on Lamplighter Groups and Diestel-Leader Graphs
Mixing Times for Random Walks on Finite Lamplighter Groups
ON A CLASS OF AUTOMATA GROUPS GENERALIZING LAMPLIGHTER GROUPS
Cone types and geodesic languages for lamplighter groups and Thompson's group F