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A generalized manifold topology for branching space-times
Indeterminism possibility branching general relativity modal consistency non-Hausdorff manifolds
2016/6/14
The logical theory of branching space-times (Belnap, Synthese 1992), which provides a relativistic framework for studying objective indeterminism, remains mostly disconnected from the discussion of sp...
Similarity,Topology,and Physical Significance in Relativity Theory
similarity topology physical significance general relativity models contextualism
2016/6/13
Stephen Hawking, among others, has proposed that the topological stability of a property of spacetime is a necessary condition for it to be physically significant. What counts as stable, however, depe...
Genidentity and Topology of Time:Kurt Lewin and Hans Reichenbach
Genidentity topology of time causal theory of time relativized a priori Kurt Lewin Hans Reichenbach
2016/5/31
In the early 1920s, Hans Reichenbach and Kurt Lewin presented two topological accounts of time that appear to be interrelated in more than one respect. Despite their different approaches, their underl...
The Aharonov-Bohm effect is typically called ``topological.'' But it seems no more topological than magnetostatics, electrostatics or Newton-Poisson gravity (or just about any radiation, propagation f...