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math-ph2022
Einstein Algebras in a Categorical Context
Leszek Pysiak, Wiesław Sasin, Michael Heller +1
According to the basic idea of category theory, any Einstein algebra, essentially an algebraic formulation of general relativity, can be considered from the point of view of any ob…
gr-qc2022
Causality and time order -- relativistic and probabilistic aspects
Michał Eckstein, Michael Heller
We investigate temporal and causal threads in the fabric of contemporary physical theories with an emphasis on empirical and operationalistic aspects. Building on the axiomatizatio…