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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…
math-ph2020
Generally covariant -particle dynamics
Tomasz Miller, Michał Eckstein, Paweł Horodecki +1
A simultaneous description of the dynamics of multiple particles requires a configuration space approach with an external time parameter. This is in stark contrast with the relativ…
math-ph2017
On the causality and -causality between measures
Tomasz Miller
Drawing from our earlier works on the notion of causality for nonlocal phenomena, we propose and study the extension of the Sorkin--Woolgar relation onto the space of Borel p…