A note on the Fröhlich dynamics in the strong coupling limit
D.J. Mitrouskas, Letters in Mathematical Physics 111 (2021).

Persistence of the spectral gap for the Landau–Pekar equations
D. Feliciangeli, S.A.E. Rademacher, R. Seiringer, Letters in Mathematical Physics 111 (2021).

Free energy asymptotics of the quantum Heisenberg spin chain
M.M. Napiórkowski, R. Seiringer, Letters in Mathematical Physics 111 (2021).