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The Point Processes of the GRW Theory of Wave Function Collapse
Roderich Tumulka
The Ghirardi-Rimini-Weber (GRW) theory is a physical theory that, when combined with a suitable ontology, provides an explanation of quantum mechanics. The so-called collapse of th…
A Kolmogorov Extension Theorem for POVMs
Roderich Tumulka
We prove a theorem about positive-operator-valued measures (POVMs) that is an analog of the Kolmogorov extension theorem, a standard theorem of probability theory. According to our…
The Quantum Formalism and the GRW Formalism
Sheldon Goldstein, Roderich Tumulka, Nino Zanghi
The Ghirardi-Rimini-Weber (GRW) theory of spontaneous wave function collapse is known to provide a quantum theory without observers, in fact two different ones by using either the…
Bohmian Mechanics at Space-Time Singularities. I. Timelike Singularities
Roderich Tumulka
We develop an extension of Bohmian mechanics to a curved background space-time containing a singularity. The present paper focuses on timelike singularities. We use the naked timel…
Elementary Proof for Asymptotics of Large Haar-Distributed Unitary Matrices
Christian Mastrodonato, Roderich Tumulka
We provide an elementary proof for a theorem due to Petz and Réffy which states that for a random unitary matrix with distribution given by the Haar measure on the unit…