** **** Sorin Popa**

UCLA Mathematics Department,

**Education
** B.S., University of
Bucharest, 1976; M.S., University of Bucharest, 1977

Ph.D., University of Bucharest, 1983 (advisor Dan Voiculescu)

**Positions
** Professor,
UCLA Department of Mathematics, 1987-present (Chair
2009-2012)

Professor, University of Geneva, 1996-1998

Principal Researcher, INCREST, 1977-87

Sabbaticals and Visiting Positions

Visiting Professor Institut de Mathematique de Jussieu, April -
December 2023

Institute Henri
Poincare (Paris), program "Groups Acting on Fractals,
Hyperbolicity and Self-Similarity", April 10-July 10, 2022.

MSRI Simons Visiting
Professor March-May 2020

Visiting Professor
RIMS and Kyoto University, April 2019

Newton Institute in
Cambridge, member of the program ``Subfactors'', Spring
2017.

Visiting
Professor Institut de Mathematique de Jussieu (under
a Chaire FSMP-FMJH) July 2016-June 2017

Visiting
Professor RIMS and Kyoto University, September 2016

Hausdorff Institute in Bonn,
member/organiser of the program ``von
Neumann Algebras'', May-July 2016

Mittag-Leffler
Institute, member of the program in ``Classification
in Operator Algebras'', April 2016

Visiting Professor at
CNRS and Institut de Mathematique de Jussieu Paris 6&7, July
2012-September 2013

Visiting Professor at
Institut Henri Poincare (under a Chaire Blaise Pascal),
April-July 2011

Visiting Professor,
College de France and CNRS, 2004-2005

Mathematical Sciences
Research Institute Yearlong Member 2000-2001

Visiting Professor,
University of Paris 6 & 7, 1992, 1995-1996, Summer 2001

Visiting Professor, E.
Schroedinger Institute, Viena, Austria, Summer 1994

Institut des hautes Etudes
Scientifiques Yearlong Member 1991-1992

Visiting Professor,
Institute des Hautes Etudes Scientifiques, June 1989, Spring
1990

**Grants 1995-present
** NSF-Grant DMS-1955812: Ergodic embeddings, bimodule
decomposition, and structure of II$_1$ factors,
2020-2023

NSF Grant DMS-1700344: Rigidity, L^2-cohomology, and approximate embeddings in II_1 factors, 2017-2020

NSF Grant DMS-1400208: Approximation, Deformation-Rigidity, and Classification in II_1 Factor Framework, 2014-2017

NSF Grant DMS-1101718, 2011-2014; NSF Grant DMS-0100883, 2001-2006; NSF Grant DMS-0605456, 2006-2011

Fond National Suisse Grant, 1996-1998; NSF Grant DMS-9500882, 1995-1998; NSF Grant DMS-9801324, 1998-2001

**Honors, special recognition,
etc
**

Takesaki Endowed Chair in Operator Alegbras 2018-2023

Simons Participant
and Senior Fellow IPAM Program ``Quantitative Linear Algebra''
Spring 2018

The John von Neumann
Lecture, Muenster University, May 4th 2017

Distinguished Lecture Series College de France, Paris,
Nov. 10-24, 2016

Chaire
d'Excellence Fondation des Sciences Mathematiques de
Paris (FSMP) and Chaire Mathematique Jacques Hadamard (FMJH),
July 2016- June 2017

Simons Fellow in Mathematics 2016-2017

Plenary speaker at
the Congress
of Scandinavian Math Society, March 20th 2016.

Coble
Lectures Univ. of Illinois Urbana Champaign Feb 2-4,
2016

Coxeter
Lecture Series, Fields Institute, May 2014

Takagi Lecture May 2013

Elected to the
American Academy of Arts and Sciences 2013

Fellow of the
American Math Society 2012

Simons Fellow
in Mathematics 2012-2013

E. H.
Moore Research Article Prize 2010 (of the American
Math Society)

Ostrowski Prize 2009

Chaire Blaise
Pascal 2009

Plenary Speaker
Canadian Mathematical Society Annual Meeting, Ottawa, Dec 2008

Bourbaki Seminar
given by S. Vaes on items [57,64,70,73] of my Publications, June 2007

Plenary Speaker
International Congress of Mathematics,

College de France Medal and Special
Lecture Series, Nov. 2004

Plenary Speaker AMS
Meeting, Vanderbilt University, Oct. 2004

Bourbaki Seminar given by A. Connes on item [58] of my Publications, June 2003

Invited Address Joint
Annual AMS Meeting, San Antonio, Jan. 1999

Top 250 most cited mathematicians in Thompson Reuters
(http://highlycited.com/categories/mathematics) 2000

Guggenheim Fellow,
1995-1996

CBMS Lecture Series
``Classification of subfactors and related topics", Univ. of
Oregon 1993

Invited Address Section 9
International Congress of Mathematics, Kyoto, Japan ,
1990.

The
Simion Stoilov Prize of the Romanian Academy of Sciences, 1981

**Ph.D. Graduates
** Dietmar Bisch
(1991) Professor Vanderbilt University

Florin Radulescu (1991) Professor University of Rome 2

Florin Boca (1993) Professor University of Illinois at Urbana-Champaign

Tullio Ceccherini (1994) Professor University of Benevento, Italy

Mihai Petrescu (1997) Video-Software Company, California.

Remus Nicoara (2004) Associate Professor, University of Tennessee Knoxville

Roman Sasyk (2004) Associate Professor University of Buenos Aires

Jesse Peterson (2006) Associate Professor Vanderbilt University

Adrian Ioana (2007) Professor UCSD

Ionut Chifan (2009) Associate Professor, Univ. of Iowa.

Hiroki Sako (2009; jointly with Yasu Kawahigashi) Associate Professor, Niigata University, Japan

Adam Winchester (2012) Software Company Los Angeles

Owen Sizemore (2012) Software Company, Wisconsin Madison

Brian Leary (2015), Associate Professor at West Virginia University Institute of Technology

Alin Galatan (2016) software engineer at Twitter Company

Adreas Aaserud (2016) Postdoc (Research associate) at University of Cardiff School of Mathematics

Cyril Houdayer,
2007-2009 (Hedrick postdoc)

Thomas Sinclair,
2011-2014 (RTG-Hedrick postdoc)

David Penneys,
2014-2016 (UCLA postdoc)

Brian Leary,
2015-2016 (UCLA adjunct)

Yusuke Isono,
2015-2016 (Japan postdoc fellowship at UCLA)

Daniel Hoff,
2016-2020 (RTG Hedrick, then Adjunct)

Rolando de Santiago, 2017-2020 (RTG
Hedrick, then UC President Fellow)

March Boedihardjo,
2016-2020 (Hedrick, then Adjunct)

Pieter Spaas,
2019-2022 (Hedrick postdoc)

Srivatsav Kunnawalkam
Elyayavalii, 2022-2023 (IPAM/UCLA postdoc)

Changying Ding,
2023-2026 (Hedrick postdoc)

**Recent
Professional Service
**

Coorganizer (with Sri Kunnawalkam-Elyayavalii and Dima Shlyakhtenko) of the Conference ``Modern Trends in Operaor Algebra'', UCLA, March 25-29, 2023.

Coorganizer (with Dietmar Bisch and Dima Shlyakhtenko) of the Workshop ``von Neumann algebras'',

Hausdorf Institute for Mathematics (HIM), University of Bonn,
August 28th- September 2nd, 2022.

Coorganizer (with Alice Guionnet, Assaf Naor, Gilles Pisier,
Dima Shlyakhtenko, Nikhil Srivastava, Terry Tao) of the Program
``Quantitative Linear Algebra'', 03/19-06/15 2018, IPAM
(UCLA)

Coorganizer (with Damien Gaboriau, Cyril Houdayer and Stefaan
Vaes) of the conference ``von Neumann
Algebras and Measured Group Theory'', July 3-7, 2017, IHP
(Paris)

Coorganiser (with D. Bisch, V.F.R. Jones and D. Shlyakhtenko) of
the Program ``von
Neumann Algebras'', Hausdorff Institute in Bonn, May 2 -
August 15 2016.

Coorganiser (with Dima Shlyakhtenko) of the UCLA mini-conference
``Ergodic
Theory and Logic'', January 15th, 2016.

Coorganiser (with A. Ioana, J. Peterson, D. Shyakhtenko) of the
UCLA Workshop ``von
Neumann algebra and Ergodic Theory'', September 2014.

Coorganiser of the Summer School in ``Rigidity and Group
Actions'', Paris, June 13-28, 2013.

Coorganizer of the UCLA Workshop ``von Neumann Algebras and
Ergodic Theory'', May 2012, March 2009, March 2007.

Coorganiser (with Damien Gaboriau and Stefaan Vaes)
of the program **Von
Neumann algebras and ergodic theory of group actions**,
April 18 - July 9, 2011, IHP (Paris).

Coorganizer (with A. Ioana, N. Ozawa, Y. Shalom) of
the Special Session ``von Neumann Algebras and Ergodic Theory'',
AMS Meeting, UCLA Oct 10-12, 2010.

Coorganiser of Spring Institute ``Non-commutative geormetry and
Operator Algebras'', Vanderbilt, May 2010.

Coorganizer of the Oberwolfach Conference in ``von Neumann
Algebras and Ergodic Theory'', Oct. 26-30, 2008.

Coorganizer of the Fields Institute Workshop in ``von Neumann
Algebras'', Oct 29-Nov 2, 2007.

Coorganizer of the UCLA Workshop ``von Neumann Algebras and
Ergodic Theory'', March 2007.

Coorganizer of the UCLA Conference ``Beyond Amenability: Groups,
Actions and Op. Alg. '', May 2006

Coorganizer of the AMS Section Meeting ``von Neumann
Algebras'', Vanderbilt Univ., October 2004

Coorganizer of the UCLA Conference ``von Neumann Algebras and
Ergodic Theory'', May 2003

Editor: Pacific Journal of Mathematics,

Editorial Board: Journal of the American Mathematical
Society (2005-2012), Journal of Operator Theory (Editor
1986-1988), Annali dell'Universita di Ferrara,

Revue Roumaine de Math. Pures et Appl., PanAmerican
Mathematical Journal

Co-Editor of the Clay Math Institute Proceedings ``Non-commutative Geometry'', April 2007 Conference in honour of A. Connes.

ICM 2010 Panel Section 9 Speaker Committee (Chair)

ICM 2018 Program Committee, 2016-2018 (member)

ICM 2022 Panel Speaker Committee for Section 8 (Analysis),
2020-2022 (member)

Committee member for the inaugural ``Foias Prize in
Operator Theory'' 2021.

**Selected Recent
Talks
****
**

Invited talk at the Conference ``Operator Algebras and
Mathematical Physics (Yasu's Festa)'', Tokyo University,
July 24-28, 2023.

Invited talk at the
Conference ``Subfactor Theory'', Newton Institute, Cambridge,
June 26-30, 2023.

Invited talk at the
Workshop ``Where mathematics Meets Quantum Physics: a workshop
on the occasion of Roberto Longo's 70th birthday'',

Rome, June 21-23, 2023.

Invited talk at the
Conference ``Groups and Operator Algebras'', Inst. of Math.
Orsay, June 6-9, 2023.

Invited talk at the Conference
``Modern Trends in Operator Algebras'', UCLA, March 25-29,
2023.

Invited talk at the
Workshop ``von Neumann algebras and geometric group theory'',
UCSD, Feb. 1012, 2023.

Invited talk at the
Oberwolfach meeting in ''C*-algebras", August 7-13, 2022. ** **

Invited talk at the workshop "Operator Algebras: Subfactors,
K-theory, Conformal Field Theory" in Gregynog Hal (Wales),
July 28-Aug 2, 2022. ** ****
**

Invited speaker at the Satellite
ICM Converence "Operator Algebras, Dynamics, Groups and
Applications", U. of Copenhagen (Denmark), July 1-4, 2022. ** ****
**
Invited talk "Operator Algebras and Applications"
Conference August 26, 2021, Univ. of Tokyo (Japan).

Invited talk GPOTS, May 28-June 1 2019

Colloquium talk Kyoto University April 24, 2019

KTGU Lecture Series RIMS and Kyoto University, April 8-12, 2019

Invited talks at the Workshops of the Program ``Quantitative Linear Algebra'', March-May, 2018.

Invited talk at the AIM Conference on ``Classification of group von Neumann algebras'', Jan 29-Feb 2, 2018

Invited talk, Conference "Non-commutative geometry" in honor of A. Connes 70th birthday, Fudan Univ. Shanghai, 03/28-04/02 2017

Invited talk at the workshop ``Subfactors'', Newton Institute, Cambridge, UK, January 22-27, 2017

Colloquium talks at Bordeaux University (October 2016) and Univ. of South Paris (March 2017).

KTGU Lecture Series RIMS and Kyoto University, Sept. 5-9, 2016

Invited talk at the
Oberwolfach Conference in ``*C*-Algebras*'', August 21-27,
2016.

Series of talks at
the ``*Operator
Algebras and Mathematical Physics*'' Conference in
Sendai (Japan), August 1-14, 2016

Invited Speaker at
the CMTP Conference *Operator
Algebras and Conformal Field Theory* in Rome June
27-29, 2016

Invited Speaker at
the ``*Haagerup
Symposium*'', Coopenhagen June 24-26, 2016

Invited Speaker *NCGOA
Conference* at Hausdorff Institute May 17-25, 2016

Talk at the
Mittag-Leffler Institute April 2016

Invited Speaker ``*Non-commutative
Geometry*'' Conference for G. Skandalis' 60th, CIRM
(Luminy), November 2015.

Invited Speaker ``*East
Coast Operator Algebra Conference*'', U. of Iowa, Oct 2015.

Invited talk at Oberwolfach
Conference in ``*Non-commutative Geometry*'', June 2015.

Invited speaker ``*Great Plains
Operator Theory*'' Conf. Purdue University, May 2015.

Mini Course at the Spring Institute
Non-Commutative Geometry and
operator Algebras, Vanderbilt Univ. May 2015

Series of talks at
the *Operator Algebra* Conference, Te Anau, New Zealand,
January 2014

Colloquium talk UCLA
October 2013

Series of talks at
the Summer School in ``*Rigidity and Group Actions*'',
Paris, June 13-28, 2013

Invited speaker ``*Mathematics
and quantum physics*'', Academia dei Lincei, Rome, July
8-12, 2013

Invited Speaker ``*von
Neumann algebras and measurable group theory*'', Leuven
University, July 1-4, 2013.

Invited Speaker ``*Math
Physics and Operator Algebra*'', University of Milano,
December 2012.

Invited Speaker ``*10 years
anniversary of Journal of Inst Math Jussieu*'', November
2012.

Invited Speaker ``*Interactions
Between Ergodic Theory, Number Theory and Noncommutative
Geometry*'' Conference at Ohio State University, May 2012.

Colloquium Lecture UC
San Diego, April 2012.

Invited speaker ``*von
Neumann
Algebras and Related Topics*'' conference at RIMS (Kyoto,
Japan), Jan 2012.

Chaire Blaise Pascal
Closing Conference, Institut Math Jussieu, Oct
2011

Colloquium Lecture
University of Rome II (Italy), June 2011

Lecture Series at the
Program von Neumann Algebras
and Ergodic Theory of Group Actions,
Institut Henri Poincare May 2011

Mini Course at the Spring Institute
Non-Commutative Geometry and
operator Algebras, Vanderbilt Univ. May 2010

Invited Speaker
``*Operator Algebras Conference in Honor of Uffe Haagerup's
60the birthday*'', Coopenhagen April 2010.

Colloquium
Lecture

Invited Speaker
SUMIRFAS Conference,

Invited Speaker ``*Non-commutative
Geometry*'' Coference in Honor

of
Ricu Moscovici 65th Birthday, Max Planck Institute,

Main Speaker ``*East
Coast
Operator
Algebra''* meeting,

Invited Speaker ``*Operator
Algebras*'', Oberwolfach Aug 2008.

Invited Speaker ``*Geometry,
Rigidity
and
Group Actions*'', Conference in Honor

of
Bob Zimmer 60'th Bithday, Sept. 6-9, 2007,

Invited Speaker ``*von
Neumann
Algebras
and Non-Commutative Geometry*'', Coference

in
Honor of Alain Connes 60'th Bithday, April 2-6, 2007, Inst
Henri Poincare (Paris)

Invited Speaker ``*Groupoids
in
Oper. ** and
Noncommut. Geometry*'' Conference,

Institut
Henri Poincare (

Invited Speaker
``*US-Japan Conference in Operator Algebras*'',

Invited Speaker
``*von Neumann algebras*''

Invited Speaker
``*Logic and Mathematics*''

Colloquium lectures
University of Michigan and University of Illinois
Urbana-Champaign, Feb. 2006

Invited Speaker
``*Geom. and prob. methods in group theory and dyn. sys*.''

Main Speaker ``*East
Coast Operator Algebra*'' Conference,

Invited Speaker ``*Operator
Algebra*'' Conference, Oberwolfach (

Invited Lecture ``*Group
actions,
rigidity
and dynamics*'',

Minicourse Lecturer, ``*Spring
Institute
on
Noncommutative Geometry*'',

Main Speaker, ``*Geometric
Group Theory and Harmonic Analysis*'', Cortona, June 2004

Colloquium Lecture

Main Speaker, School in ``*von
Neumann Algebras*'', Marseille, February 2004

Main Speaker: ``*Group
Theory*'',