"Born in an Infinite Universe: a Cosmological Interpretation of Quantum Mechanics", A. Aguirre and M. Tegmark (2010), Phys. Rev. D84, 105002, arXiv:1008.1066
doi.org
"Non-collapsing wave functions in an infinite universe", E. Moulay (2014), Results in Physics 4, doi:10.1016/j.rinp.2014.08.010