Nesta van der Schaaf.

Postdoctoral researcher in the QuaCS group. I'm broadly interested in mathematical physics, and currently studying causality and spacetimes using point-free topology. Also interested in category theory, foundations of (quantum) physics, and diffeology.


Contact me: <n.schaaf@ed.ac.uk>

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Papers

Point-free causality

To study causality in point-free topology, we use an abstraction of the Egli-Milner relation on open regions (see figure). In Ordered Locales we prove that this generalises Stone Duality to include causal orderings, hence providing a framework for point-free causal spaces. Within this framework we are developing a point-free causal boundary construction.

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