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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.

169,051 papers · 148 categories

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3 results for “reIndexer”

Isometries of Products of Path-Connected Locally Uniquely Geodesic Metric Spaces with the Sup Metric are Reduciblemath.MG

Let $M_i$ and $N_i$ be path-connected locally uniquely geodesic metric spaces that are not points and $f:\prod_{i=1}^m M_i\to \prod_{i=1}^n N_i$ be an isometry where $\prod_{i=1}^n N_i$ and $\prod_{i=1}^m M_i$ are given the sup metric. Then $m=n$ and after reindexing $M_i$ is isometric to $N_i$ for all $i$ . Moreover $f…

2009-12-17abs ↗pdf ↗

Learned Sectors: A fundamentals-driven sector reclassification projectq-fin.GN

A new sector classification method outperforms existing ones in risk-adjusted returns.

problem Subjective sector classification heuristics like GICS and NAICS are not optimal.

method Learned sector classification using hierarchical clustering and reIndexer evaluation tool.

result 17-sector learned sector universe outperforms GICS and NAICS in backtests.

sector classification fundamentals-driven hierarchical clustering reIndexer risk-adjusted returns

2019-05-31abs ↗pdf ↗

A Geometric Finiteness Theory for Essential Surfaces in Knot Exteriorsmath.GT

Geometric finiteness theory for essential surfaces in knot exteriors with geometric bounds.

problem Understanding the topology of essential surfaces in knot exteriors with geometric constraints.

method Developed a relative geometric finiteness theory using bounded geometry and thickness conditions.

result Every bounded-geometry slice contains only finitely many pair-isotopy classes, and topology is recoverable from finite geometric data.

essential surfaces knot exteriors geometric finiteness pair-isotopy bounded geometry

2026-07-23abs ↗pdf ↗