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researcher

I. Chifan

43 papers hereh-index 16938 citations53 works total

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

author position
  • sole author1
  • first author38
  • middle author4

Across the 43 of 43 papers where every author was matched, so the position is known.

fields
  • math.OA38
  • math.GR3
  • math.DS1
  • math.FA1
same name
  • I. Chifan — 1 paper

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20062026
most citedOn the structural theory of II_1 factors of negatively curved groups, II: Actions by product groups

55 citations · 354 across the 38 of their papers we have counts for

collaborators
Showing 2013 · math.OAShow all

2 papers · 2 filters

math.OA2013★ 12 cited

Inner amenability for groups and central sequences in factors

Ionut Chifan, Thomas Sinclair, Bogdan Udrea

We show that a large class of i.c.c., countable, discrete groups satisfying a weak negative curvature condition are not inner amenable. By recent work of Hull and Osin, our result…

math.OA2013★ 29 cited

W*-superrigidity for arbitrary actions of central quotients of braid groups

Ionut Chifan, Adrian Ioana, Yoshikata Kida

For any n⩾4 let B~n​=Bn​/Z(Bn​) be the quotient of the braid group Bn​ through its center. We prove that any free ergodic probability measure preserving (pmp)…

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