Improved local models & new Bell inequalities via Frank-Wolfe algorithms
In Bell scenarios with two outcomes per party, we algorithmically consider the two sides of the membership problem for the local polytope: constructing local models and deriving separating hyperplanes, that is, Bell inequalities.
We can understand quantum theory better if we stop asking how it represents the world and ask instead how we are able to use it so successfully in predicting, explaining and controlling the world.
My first talk left out physical details of key ideas in a pragmatist sketch of quantum theory. This talk is about what needs to be done to complete the picture.
Gravitationally induced decoherence vs space-time diffusion; testing the quantum nature of gravity
We consider two interacting systems when one is treated classically while the other remains quantum. Despite several famous no-go arguments, consistent dynamics of this coupling exist, and we derive its most general form.
Causal Structure and the Delicacy of Holographic Arguments for Unitarity
I examine Marolf's influential argument for the unitarity of black hole evaporation based on what he calls a holographic argument for boundary unitarity.
From Quantum in Pictures to practical Natural Language Processing, Music, and understandable AI.
This talk requires no particular technical mathematics background, as I will talk entirely in terms of simple pictures. These are the pictures of my new book, "Quantum in Pictures" [1], which is aimed at the teenage enthusiast, and pretty much…
New insights into causal inference from the point of view of a quantum physicist
The area of causal inference formalizes long-held human intuitions about cause and effect that were previously absent from scientific…
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