Nonequilibrium Monte Carlo for unfreezing variables in hard combinatorial optimization. - Masoud Mohseni; Daniel Eppens; Johan Strümpfer; Raffaele Marino; Vasil S. Denchev; Alan K. Ho; Sergei V. Isakov; Sergio Boixo; Federico Ricci-Tersenghi; Hartmut Neven (CoRR, 2021)