TY  - JOUR
AU  - Antolín Pichel, Yago
AU  - Jaikin-Zapirain, Andrei
PY  - 2022
DO  - 10.1112/S0010437X22007709
SN  - 0010-437X
UR  - https://hdl.handle.net/20.500.14352/71666
T2  - Compositio Mathematica
AB  - The Hanna Neumann conjecture is a statement about the rank of the intersection of two finitely generated subgroups of a free group. The conjecture was posed by Hanna Neumann in 1957. In 2011, a strengthened version of the conjecture was proved...
LA  - eng
M2  - 1850
PB  - Cambridge University Press
KW  - Surface groups
KW  - Limit groups
KW  - L2-Betti numbers
KW  - The Hanna Neumann conjecture
KW  - Lück's approximation
TI  - The Hanna Neumann conjecture for surface groups
TY  - journal article
VL  - 158
ER  -