3 papers
physics.hist-ph2026
Deterministic Theories
Hans Halvorson, JB Manchak, James Owen Weatherall
Determinism is (roughly) the thesis that the past determines the future. But efforts to define it precisely have exposed deep methodological disagreements. Standard possible-worlds…
gr-qc2025
An extendible spacetime without closed timelike curves whose every extension contains closed timelike curves
H. Andréka, J. Madarász, J. Manchak +2
By removing a fractal from time-rolled Minkowski spacetime, we construct an extendible spacetime without closed timelike curves whose every extension contains closed timelike curve…
physics.hist-ph2025
Determinism and Asymmetry in General Relativity
JB Manchak, Thomas Barrett, Hans Halvorson +1
This paper concerns the question of which collections of general relativistic spacetimes are deterministic relative to which definitions. We begin by considering a series of three…