# The open past in an indeterministic physics

@inproceedings{Santo2022TheOP, title={The open past in an indeterministic physics}, author={Flavio Del Santo and Nicolas Gisin}, year={2022} }

Discussions on indeterminism in physics focus on the possibility of an open future, i.e. the possibility of having potential alternative future events, the realisation of one of which is not fully determined by the present state of affairs. Yet, can indeterminism affect also the past, making it open as well? We show that by upholding principles of ﬁniteness of information one can entail such a possibility. We provide a toy model that shows how the past could be fundamentally indeterminate…

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