Sorin Popa - Publications

Affiliations: 
Mathematics University of California, Los Angeles, Los Angeles, CA 

57 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Popa S, Shlyakhtenko D. Representing interpolated free group factors as group factors Groups, Geometry, and Dynamics. DOI: 10.4171/Ggd/565  0.443
2020 Popa S, Shlyakhtenko D, Vaes S. Classification of regular subalgebras of the hyperfinite II1 factor Journal De MathéMatiques Pures Et AppliquéEs. 140: 280-308. DOI: 10.1016/J.Matpur.2020.02.009  0.325
2019 Popa S. Asymptotic orthogonalization of subalgebras in II$_1$ factors Publications of the Research Institute For Mathematical Sciences. 55: 795-809. DOI: 10.4171/Prims/55-4-5  0.422
2018 Aaserud AN, Popa S. Approximate equivalence of group actions Ergodic Theory and Dynamical Systems. 38: 1201-1237. DOI: 10.1017/Etds.2016.100  0.444
2017 Popa S, Shlyakhtenko D, Vaes S. Cohomology and L-2-Betti Numbers for Subfactors and Quasi-Regular Inclusions International Mathematics Research Notices. 2018: 2241-2331. DOI: 10.1093/Imrn/Rnw304  0.4
2017 Galatan A, Popa S. Smooth bimodules and cohomology of II1 factors Journal of the Institute of Mathematics of Jussieu. 16: 155-187. DOI: 10.1017/S1474748015000122  0.384
2015 Popa S, Vaes S. Paving over arbitrary MASAs in von Neumann algebras Analysis & Pde. 8: 1001-1023. DOI: 10.2140/Apde.2015.8.1001  0.524
2015 Popa S, Vaes S. Representation Theory for Subfactors, $${\lambda}$$-Lattices and C*-Tensor Categories Communications in Mathematical Physics. 340: 1239-1280. DOI: 10.1007/S00220-015-2442-5  0.445
2014 Popa S, Vaes S. Unique Cartan decomposition for II_1 factors arising from arbitrary actions of hyperbolic groups Crelle's Journal. 2014: 215-239. DOI: 10.1515/Crelle-2012-0104  0.517
2014 Popa S, Vaes S. Vanishing of the First Continuous L2-Cohomology for II1 Factors International Mathematics Research Notices. 2015: 3899-3907. DOI: 10.1093/Imrn/Rnu054  0.441
2014 Popa S. Independence properties in subalgebras of ultraproduct II1 factors Journal of Functional Analysis. 266: 5818-5846. DOI: 10.1016/J.Jfa.2014.02.004  0.438
2014 Popa S, Vaes S. Unique Cartan decomposition for II1 factors arising from arbitrary actions of free groups Acta Mathematica. 212: 141-198. DOI: 10.1007/S11511-014-0110-9  0.495
2014 Popa S. A II 1 Factor Approach to the Kadison–Singer Problem Communications in Mathematical Physics. 332: 379-414. DOI: 10.1007/S00220-014-2055-4  0.359
2013 Houdayer C, Popa S, Vaes S. A class of groups for which every action is W$^*$-superrigid Groups, Geometry, and Dynamics. 7: 577-590. DOI: 10.4171/Ggd/198  0.427
2013 Ioana A, Popa S, Vaes S. A Class Of Superrigid Group Von Neumann Algebras Annals of Mathematics. 178: 231-286. DOI: 10.4007/Annals.2013.178.1.4  0.741
2012 Popa S. On the classification of inductive limits of II₁ factors with spectral gap Transactions of the American Mathematical Society. 364: 2987-3000. DOI: 10.1090/S0002-9947-2012-05389-X  0.325
2012 Chifan I, Popa S, Sizemore JO. Some OE- and W⁎-rigidity results for actions by wreath product groups Journal of Functional Analysis. 263: 3422-3448. DOI: 10.1016/J.Jfa.2012.08.025  0.694
2010 Ozawa N, Popa S. On a class of II1 factors with at most one Cartan subalgebra Annals of Mathematics. 172: 713-749. DOI: 10.4007/Annals.2010.172.713  0.426
2010 Ozawa N, Popa S. On a class of II1 factors with at most one Cartan subalgebra, II American Journal of Mathematics. 132: 841-866. DOI: 10.1353/Ajm.0.0121  0.46
2010 Popa S. Classification Of Actions Of Discrete Amenable Groups On Amenable Subfactors Of Type Ii International Journal of Mathematics. 21: 1663-1695. DOI: 10.1142/S0129167X10006343  0.492
2010 Popa S. On Ozawa's Property for Free Group Factors International Mathematics Research Notices. 2007. DOI: 10.1093/Imrn/Rnm036  0.434
2010 Popa S, Vaes S. Group measure space decomposition of II1 factors and W*-superrigidity Inventiones Mathematicae. 182: 371-417. DOI: 10.1007/S00222-010-0268-5  0.54
2009 Popa S, Vaes S. Actions of _{∞} whose II₁ factors and orbit equivalence relations have prescribed fundamental group Journal of the American Mathematical Society. 23: 383-403. DOI: 10.1090/S0894-0347-09-00644-4  0.433
2008 Bisch D, Gaboriau D, Jones VFR, Popa S. Von Neumann Algebras and Ergodic Theory of Group Actions Oberwolfach Reports. 5: 2763-2814. DOI: 10.4171/Owr/2008/49  0.405
2008 Popa S, Vaes S. Strong rigidity of generalized Bernoulli actions and computations of their symmetry groups Advances in Mathematics. 217: 833-872. DOI: 10.1016/J.Aim.2007.09.006  0.544
2008 Ioana A, Peterson J, Popa S. Amalgamated free products of weakly rigid factors and calculation of their symmetry groups Acta Mathematica. 200: 85-153. DOI: 10.1007/S11511-008-0024-5  0.76
2007 Bisch D, Nicoara R, Popa S. Continuous families of hyperfinite subfactors with the same standard invariant International Journal of Mathematics. 18: 255-267. DOI: 10.1142/S0129167X07004011  0.696
2007 Popa S. On the superrigidity of malleable actions with spectral gap Journal of the American Mathematical Society. 21: 981-1000. DOI: 10.1090/S0894-0347-07-00578-4  0.443
2007 Popa S, Sasyk R. On the cohomology of Bernoulli actions Ergodic Theory and Dynamical Systems. 27: 241-251. DOI: 10.1017/S0143385706000502  0.424
2007 Popa S. A unique decomposition result for HT factors with torsion free core Journal of Functional Analysis. 242: 519-525. DOI: 10.1016/J.Jfa.2006.05.016  0.446
2007 Nicoara R, Popa S, Sasyk R. On II1 factors arising from 2-cocycles of w-rigid groups Journal of Functional Analysis. 242: 230-246. DOI: 10.1016/J.Jfa.2006.05.015  0.702
2007 Popa S. Cocycle and orbit equivalence superrigidity for malleable actions of w-rigid groups Inventiones Mathematicae. 170: 243-295. DOI: 10.1007/S00222-007-0063-0  0.483
2006 Popa S. On a class of type $II_1$ factors with Betti numbers invariants Annals of Mathematics. 163: 809-899. DOI: 10.4007/Annals.2006.163.809  0.391
2006 Popa S. Some Computations Of 1-Cohomology Groups And Construction Of Non-Orbit-Equivalent Actions Journal of the Institute of Mathematics of Jussieu. 5: 309-332. DOI: 10.1017/S1474748006000016  0.386
2006 Popa S, Sinclair AM, Smith RR. Corrigendum to "Perturbations of subalgebras of type II1 factors" [J. Funct. Anal. 213 (2004) 346-379] (DOI:10.1016/j.jfa.2004.01.010) Journal of Functional Analysis. 235: 355-356. DOI: 10.1016/J.Jfa.2005.10.006  0.406
2006 Popa S. Some rigidity results for non-commutative Bernoulli shifts☆ Journal of Functional Analysis. 230: 273-328. DOI: 10.1016/J.Jfa.2005.06.017  0.491
2006 Popa S. Strong rigidity of II1 factors arising from malleable actions of w-rigid groups, II Inventiones Mathematicae. 165: 369-408. DOI: 10.1007/S00222-006-0501-4  0.546
2005 Gaboriau D, Popa S. An uncountable family of nonorbit equivalent actions of _ Journal of the American Mathematical Society. 18: 547-559. DOI: 10.1090/S0894-0347-05-00480-7  0.337
2005 Peterson J, Popa S. On the Notion of Relative Property (T) for Inclusions of Von Neumann Algebras Journal of Functional Analysis. 219: 469-483. DOI: 10.1016/J.Jfa.2004.04.017  0.66
2004 Popa S. On the fundamental group of type II1 factors. Proceedings of the National Academy of Sciences of the United States of America. 101: 723-6. PMID 14718660 DOI: 10.1073/Pnas.2333960100  0.487
2004 Popa S, Sinclair AM, Smith RR. Perturbations of subalgebras of type II1 factors Journal of Functional Analysis. 213: 346-379. DOI: 10.1016/J.Jfa.2004.01.010  0.382
2004 Ozawa N, Popa S. Some prime factorization results for type II1 factors Inventiones Mathematicae. 156: 223-234. DOI: 10.1007/S00222-003-0338-Z  0.402
2003 Popa S, Shlyakhtenko D. Cartan subalgebras and bimodule decompositions of $ \mathrm{II}_1 $ factors Mathematica Scandinavica. 92: 93-102. DOI: 10.7146/Math.Scand.A-14395  0.352
1999 Popa S. The relative Dixmier property for inclusions of von Neumann algebras of finite index Annales Scientifiques De L Ecole Normale Superieure. 32: 743-767. DOI: 10.1016/S0012-9593(00)87717-4  0.355
1999 Bisch D, Popa S. Examples Of Subfactors With Property T Standard Invariant Geometric and Functional Analysis. 9: 215-225. DOI: 10.1007/S000390050085  0.509
1998 Izumi M, Longo R, Popa S. A Galois Correspondence for Compact Groups of Automorphisms of von Neumann Algebras with a Generalization to Kac Algebras Journal of Functional Analysis. 155: 25-63. DOI: 10.1006/Jfan.1997.3228  0.496
1995 Popa S. An axiomatization of the lattice of higher relative commutants of a subfactor Inventiones Mathematicae. 120: 427-445. DOI: 10.1007/Bf01241137  0.302
1994 Popa S. Symmetric enveloping algebras, amenability and AFD properties for subfactors Mathematical Research Letters. 1: 409-425. DOI: 10.4310/Mrl.1994.V1.N4.A2  0.376
1994 Popa S. Classification of amenable subfactors of type II Acta Mathematica. 172: 163-255. DOI: 10.1007/Bf02392646  0.329
1993 Popa S, Takesaki M. The topological structure of the unitary and automorphism groups of a factor Communications in Mathematical Physics. 155: 93-101. DOI: 10.1007/Bf02100051  0.509
1993 Popa S. Markov traces on universal Jones algebras and subfactors of finite index. Inventiones Mathematicae. 111: 375-405. DOI: 10.1007/Bf01231293  0.397
1991 Pimsner M, Popa S. Finite dimensional approximation of pairs of algebras and obstructions for the index Journal of Functional Analysis. 98: 270-291. DOI: 10.1016/0022-1236(91)90079-K  0.337
1988 Pimsner M, Popa S. Iterating the basic construction Transactions of the American Mathematical Society. 310: 127-133. DOI: 10.1090/S0002-9947-1988-0965748-8  0.366
1987 Popa S. The commutant modulo the set of compact operators of a von Neumann algebra Journal of Functional Analysis. 71: 393-408. DOI: 10.1016/0022-1236(87)90011-5  0.312
1985 Popa S. Notes on Cartan subalgebras in type $\mathrm{II}_1$ factors. Mathematica Scandinavica. 57: 171-188. DOI: 10.7146/Math.Scand.A-12110  0.383
1983 Popa S. Singular maximal abelian ∗-subalgebras in continuous von Neumann algebras Journal of Functional Analysis. 50: 151-166. DOI: 10.1016/0022-1236(83)90065-4  0.481
1983 Popa S. Maximal injective subalgebras in factors associated with free groups Advances in Mathematics. 50: 27-48. DOI: 10.1016/0001-8708(83)90033-6  0.394
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