TY  - JOUR
AU  - Michael Björklund
AU  - Alexander Fish
AU  - James Parkinson
TI  - Patterns in sets of positive density in trees and affine buildings
JO  - Groups, geometry, and dynamics
PY  - 2021
SP  - 1267
EP  - 1295
VL  - 15
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4171/ggd/630/
DO  - 10.4171/ggd/630
ID  - 10_4171_ggd_630
ER  -