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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.

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3 results for “T-group”

Non-property (t) for SO(n,1)math.GT

Concrete proof that SO(n,1) is not a T-group.

problem Proving SO(n,1) is not a T-group.

method Constructed a concrete model for hyperbolic space and measure, proving hyperbolic distance equals measure up to a constant.

result Concrete proof that SO(n,1) is not a T-group.

SO(n 1)T-group hyperbolic space measure theory

2026-05-23abs ↗pdf ↗

Higher index theory for certain expanders and Gromov monster groups IImath.KT

In this paper, the second of a series of two, we continue the study of higher index theory for expanders. We prove that if a sequence of graphs has girth tending to infinity, then the maximal coarse Baum-Connes assembly map is an isomorphism for the associated metric space $X$ . As discussed in the first paper in this s…

2010-12-19abs ↗pdf ↗

An Invitation to Analytic Group Theorymath.GR

The book explores analytic properties of groups and their actions.

problem Analytic properties of groups and their actions.

method Analytic approaches to studying groups and their actions, focusing on amenability and Kazhdan's property (T).

result Introduction of useful tricks, ideas, and lemmas in Analytic Group Theory.

Analytic Group Theory Amenability Kazhdan's Property (T)Group Actions Mathematical Theory

2024-02-24abs ↗pdf ↗