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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.

169,291 papers · 148 categories

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5 results for “Milne-like”

Milne-like spacetimes and their role in Cosmologygr-qc

Milne-like spacetimes offer solutions to cosmological problems.

problem Inconsistency with classical cosmology and radiation era.

method Analyzing FLRW models and spacetime extensions.

result Milne-like spacetimes are consistent with inflationary theory.

Milne universe Cosmology Big Bang Inflation Horizon problem

2017-06-05abs ↗pdf ↗

Remarks on the cosmological constant appearing as an initial condition for Milne-like spacetimesgr-qc

New findings show cosmological constant as initial condition for non-isotropic spacetimes.

problem Cosmological constant as initial condition in non-isotropic spacetimes.

method Generalized previous results to non-isotropic spacetimes.

result Quasi de Sitter expansion for early universe, potential for inflationary scenarios.

cosmological constant Milne-like spacetimes initial conditions quasi de Sitter inflationary scenarios

2022-02-08abs ↗pdf ↗

Some Remarks on the

C^0

-(in)extendibility of Spacetimesmath.DG

Study examines $C^0$ -inextendibility of spacetimes, focusing on FLRW models.

problem Examining the extendibility of spacetimes, particularly focusing on FLRW models.

method Reviewing Sbierski's methodology and applying similar techniques to new observations.

result Certain open FLRW spacetimes admit

C^0

extensions through the big bang.

spacetimes extendibility FLRW models Milne-like big bang

2016-10-10abs ↗pdf ↗

Baryogenesis in Conformally Flat Spacetimesmath-ph

Study baryogenesis in conformally flat spacetimes using causal fermion systems.

problem Understanding baryogenesis in specific spacetimes.

method Analysis of baryogenesis mechanism in conformally flat spacetimes with explicit formula derivation.

result Explicit formula for baryogenesis rate in these spacetimes.

baryogenesis conformally flat spacetimes causal fermion systems Friedmann-Lemaître-Robertson-Walker spacetimes

2025-04-24abs ↗pdf ↗

The

C^0

-inextendibility of a class of FLRW spacetimesgr-qc

The paper proves that certain FLRW spacetimes cannot be extended past the big bang.

problem The singularity structure of FLRW spacetimes without particle horizons at the

C^0

-level.

method Analyzing the singularity structure of FLRW spacetimes with constant spatial curvature.

result A geometric obstruction prevents continuous spacetime extensions for a wide range of scale factors in the case of

K=-1

FLRW spacetimes singularity structure big bang C^0-inextendibility spacetime extension

2023-12-12abs ↗pdf ↗