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researcher

R. Geoghegan

15 papers hereh-index 221.7k citations112 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author1
  • first author6
  • middle author2
  • last author6

Across the 15 of 15 papers where every author was matched, so the position is known.

fields
  • math.GR9
  • math.CO2
  • math.AT1
  • math.GT1
  • math.KT1
  • math.MG1

identity via Semantic Scholar / OpenAlex

activity
19982021
most citedThe Sigma Invariants of Thompson's Group F

5 citations · 11 across the 8 of their papers we have counts for

collaborators
Showing 1998 · math.KTShow all

1 paper · 2 filters

math.KT1998

A Hochschild homology Euler characteristic for circle actions

Ross Geoghegan, Andrew Nicas

We define a "circle Euler characteristic" of a circle action on a compact manifold or finite complex X. It lies in the first Hochschild homology group of ZG where G is the fundamen…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.