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A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,742 papers · 148 categories

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0111 · Dec 202019922001200920172026
1 result for “microlocalisation”
On microlocalisation and the construction of Feynman Propagators for normally hyperbolic operatorsmath.AP

The article constructs Feynman propagators for normally hyperbolic operators on curved spacetimes.

problem Constructing Feynman propagators for non-scalar geometric operators on curved spacetimes.
method Global microlocalisation constructions for normally hyperbolic operators on globally hyperbolic spacetimes.
result Feynman propagators can be constructed to satisfy a positivity property for selfadjoint normally hyperbolic operators.
Feynman propagatorsnormally hyperbolic operatorscurved spacetimesmicrolocalisationpositivity
2020-12-17abs ↗pdf ↗