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arXiv research

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.

169,341 papers · 148 categories

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3 results for “recollapse”

The Einstein-Lambda flow on product manifoldsgr-qc

Study on Einstein flow on product manifolds, showing recollapse and expansion behaviors.

problem Behavior of Einstein flow on product manifolds with positive cosmological constant.

method Existence of continuous families of recollapsing and expanding models, analysis of curvature conditions.

result Existence of recollapsing models with positive curvature in at least one factor.

Einstein flow product manifolds recollapse expansion positive curvature

2016-08-11abs ↗pdf ↗

Existence of maximal hypersurfaces in some spherically symmetric spacetimesgr-qc

We prove that the maximal development of any spherically symmetric spacetime with collisionless matter (obeying the Vlasov equation) or a massless scalar field (obeying the massless wave equation) and possessing a constant mean curvature $S^1 \times S^2$ Cauchy surface also contains a maximal Cauchy surface. Combining …

1995-08-01abs ↗pdf ↗

Structural Dynamics of G5 Stock Markets During Exogenous Shocks: A Random Matrix Theory-Based Complexity Gap Approachq-fin.ST

The study uses Random Matrix Theory to identify structural changes in stock markets during shocks.

problem Understanding structural changes in stock markets during exogenous shocks.

method Random Matrix Theory and complexity gap analysis.

result The complexity gap collapses during shocks, indicating strong synchronization, and widens before shocks, signaling a rich structure.

Random Matrix Theory Stock Market Dynamics Exogenous Shocks Complexity Gap Market Structure

2026-04-21abs ↗pdf ↗