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20122023
most citedEquivariant indices of Spin-Dirac operators for proper moment maps

14 citations · 70 across the 24 of their papers we have counts for

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6 papers · 1 filter

math.KT2022

Cartan Motion Group and Orbital Integrals

Yanli Song, Xiang Tang

In this short note, we study the variation of orbital integrals, as traces on the group algebra , under the deformation groupoid. We show that orbital integrals are continuous u…

math.KT2019★ 11 cited

Higher Orbit Integrals, Cyclic Cocyles, and K-theory of Reduced Group C*-algebra

Yanli Song, Xiang Tang

Let G be a connected real reductive group. Orbit integrals define traces on the group algebra of G. We introduce a construction of higher orbit integrals in the direction of higher…

math.KT2019★ 1 cited

A KK-theoretic perspective on deformed Dirac operators

Yiannis Loizides, Rudy Rodsphon, Yanli Song

We study the index theory of a class of perturbed Dirac operators on non-compact manifolds of the form , where is a Clifford mul…

math.KT2018★ 1 cited

Quantization of Hamiltonian loop group spaces

Yiannis Loizides, Yanli Song

We prove a Fredholm property for spin-c Dirac operators on non-compact manifolds satisfying a certain condition with respect to the action of a semi-direct product gro…

math.KT2016★ 4 cited

An equivariant index for proper actions II: properties and applications

Peter Hochs, Yanli Song

In the first part of this series, we defined an equivariant index without assuming the group acting or the orbit space of the action to be compact. This allowed us to generalise an…

math.KT2015

An equivariant index for proper actions I

Peter Hochs, Yanli Song

Equivariant indices have previously been defined in cases where either the group or the orbit space in question is compact. In this paper, we develop an equivariant index without a…