The pdf files are preliminary versions and usually differ from the (final) journal versions.
G. Hammarhjelm, A. Strömbergsson, S. Yu,
Asymptotic estimates of large gaps between directions in certain planar quasicrystals,
Journal of the London Mathematical Society, 111 (2025), 1-55, doi: http://dx.doi.org/10.1112/jlms.70187
A. Strömbergsson,
On the deviation of ergodic averages for horocycle flows
preprint, 2003; see paper published in Journal of Modern Dynamics, 7 (2013), 291-328.