Green kernel estimates and the full Martin boundary for random walks on lamplighter groups and Diestel-Leader graphs
Annales de l'I.H.P. Probabilités et statistiques, Tome 41 (2005) no. 6, pp. 1101-1123.
DOI : 10.1016/j.anihpb.2004.12.004
Brofferio, Sara 1 ; Woess, Wolfgang 

1 Technische Universität Graz Institut für Mathematik C Steyergasse 30 A-8010 Graz (Austria)
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     title = {Green kernel estimates and the full {Martin} boundary for random walks on lamplighter groups and {Diestel-Leader} graphs},
     journal = {Annales de l'I.H.P. Probabilit\'es et statistiques},
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Brofferio, Sara; Woess, Wolfgang. Green kernel estimates and the full Martin boundary for random walks on lamplighter groups and Diestel-Leader graphs. Annales de l'I.H.P. Probabilités et statistiques, Tome 41 (2005) no. 6, pp. 1101-1123. doi : 10.1016/j.anihpb.2004.12.004. http://archive.numdam.org/articles/10.1016/j.anihpb.2004.12.004/

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