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Co-contractions of graphs and right-angled Artin groups Kim, Sang-hyun, ALGEBRAIC AND GEOMETRIC TOPOLOGY, v.8, no.2, pp.849 - 868, 2008 |
Embedability between right-angled Artin groups Kim, Sang-hyun; Koberda, Thomas, GEOMETRY TOPOLOGY, v.17, no.1, pp.493 - 530, 2013 |
POLYGONAL WORDS IN FREE GROUPS Kim, Sang-Hyun; Wilton, Henry, QUARTERLY JOURNAL OF MATHEMATICS, v.63, no.2, pp.399 - 421, 2012-06 |
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