Tag: von-neumann-algebras

31 Reference for the Gelfand-Neumark theorem for commutative von Neumann algebras 2010-05-04T07:45:25.107

28 Can we recover a von Neumann algebra from its predual? 2010-12-24T19:54:36.647

27 Tomita-Takesaki versus Frobenius: where is the similarity? 2011-06-20T08:12:06.383

25 Finite-dimensional subalgebras of $C^\star$-algebras 2010-08-11T09:49:03.797

22 The Mackey Topology on a Von Neumann Algebra 2011-07-31T00:30:44.277

21 What's a noncommutative set? 2013-07-23T17:19:12.340

20 Is Dependent Choice all we really need? 2009-12-01T03:12:54.900

20 Relative commutants of abelian von Neumann algebras 2012-01-06T22:13:41.947

20 On complemented von Neumann algebras 2013-07-04T14:43:57.687

18 local equivalence of loop group representations 2011-06-03T23:35:03.337

18 Which complete Boolean algebras arise as the algebras of projections of commutative von Neumann algebras? 2011-07-25T20:37:08.063

18 About the category of von neumann algebras 2012-01-23T05:38:41.547

16 Is the group von Neumann algebra construction functorial? 2010-02-11T14:00:12.647

15 Monoidal structures on von Neumann algebras 2010-05-05T16:27:20.203

15 Must we close weakly to apply the spectral theorem? 2010-05-12T21:41:32.323

15 Are almost commuting hermitian matrices close to commuting matrices (in the 2-norm)? 2011-06-21T12:08:27.957

15 Denseness of inner automorphisms inside automorphisms of hyperfinite type III_1 factor 2012-07-09T21:08:08.187

14 W*-completion of a C*-algebra? 2011-08-01T18:10:22.940

14 The cyclic subfactors theory: a quantum arithmetic? 2013-06-07T09:33:58.080

14 reference request : constructive measure theory 2013-09-10T09:32:42.303

14 Connes' idea to use the hyperfinite $III_1$ factor for the archimedian place of Spec(Z)? 2014-05-10T06:37:10.163

14 On spatial tensor products of von Neumann algebras 2016-06-25T00:33:34.447

14 In which sense the GNS-construction is a functor? 2016-08-16T06:48:32.460

13 Categorifying the Reals via von Neumann Algebras? 2009-10-21T02:46:02.543

13 Non-commutative geometry from von Neumann algebras? 2009-10-28T21:48:34.830

13 Endomorphism of type III factor: can it satisfy $\phi\circ\phi = \phi\oplus\phi$? 2010-11-23T08:22:09.560

13 A left inverse for the comultiplication on a Hopf von Neumann algebra 2011-11-14T03:53:46.757

13 Countably decomposable von Neumann algebras 2016-07-05T12:43:47.147

12 Ideals in Factors 2009-10-15T15:58:51.210

12 Do Burnside Group Factors have Gamma? 2010-09-22T17:24:15.467

12 Can the minimal index of a subfactor take all values in {4cos^2(pi/n);n=3,4,5,...} u [4,infinity]? 2010-09-25T19:12:52.380

12 What is the right definition of "real von Neumann algebra"? 2011-02-09T16:20:22.587

12 Von Neumann algebra associated to the infinite Cuntz algebra 2012-08-30T10:07:40.593

12 Is there a proof that the $C^{*}$-algebras don't see the invariant subspace problem? 2013-08-04T12:47:40.890

12 Mysterious quotes (at least for me) 2014-11-05T23:37:11.463

12 Is the domain of an operator valued weight closed under Hahn-Jordan decomposition? 2016-04-14T23:51:55.603

12 Is a C*-algebra with an isomorphic predual a von Neumann algebra? 2016-07-16T19:58:47.293

11 What is the relationship between algebraic geometry and quantum mechanics? 2009-11-11T02:20:32.257

11 Transfinite induction, a theorem of Pedersen, and chains of subalgebras of $B(H)$ 2010-10-09T14:30:11.920

11 Connes's unpublished manuscript on correspondences, anyone? 2011-03-25T11:34:21.703

11 Does the hyperfinite II_1 factor admit two irreducible representations that are not unitarily equivalent? 2012-03-28T22:56:16.150

11 Do Baumslag-Solitar Group von Neumann algebras have Property $\Gamma$? 2012-05-10T16:55:12.483

10 Do subgroups have "two sided bases"? 2009-11-24T03:34:32.420

10 What kind of completion is this? 2011-04-01T23:19:09.123

10 Which W*-algebras are the duals of C*-coalgebras? 2012-08-26T08:08:59.380

10 If two projections are close, then they are unitarily equivalent 2013-12-11T00:42:14.827

10 Separable von Neumann algebra 2016-03-15T12:37:08.473

10 Can we extend c.p. normal maps on a finite von Neumann algebra $M$ to $L_0(M)_+$? 2017-09-15T20:02:48.937

9 Can we characterize the spatial tensor product of von Neumann algebras categorically? 2011-01-08T19:26:34.260

9 is this von Neumann algebra a tensor product? 2013-09-20T15:23:28.160

9 Is the center of the automorphism group of a von Neumann algebra M trivial whenever M is a factor? 2015-02-07T21:20:20.033

9 An "exercise" on von Neumann algebra tensor product 2017-05-25T10:32:20.880

8 Pimsner-Popa Bases 2009-10-15T00:16:56.360

8 Maximal localizations of von Neumann algebras 2009-10-22T20:30:14.980

8 Is there a coalgebraic characterisation of the hyperfinite II_1 factor? 2009-10-23T15:21:07.387

8 Do torsion-free groups give projectionless group ($C^\ast$) algebras? 2009-10-30T20:07:07.000

8 Does such a subgroup exist? 2009-11-24T00:05:40.397

8 Definition of a von Neumann algebra 2010-02-05T07:06:47.973

8 When does a conditional expectation preserve some trace? 2010-04-05T20:23:56.370

8 Ping Pong and Free Group Factors 2011-01-31T16:57:59.463

8 Lifting of a ucp map with values in a von Neumann algebra ultraproduct of matrix algebras 2011-06-29T20:05:09.503

8 Are there only finitely many maximal irreducible amenable subfactors at fixed finite index? 2013-06-05T21:17:16.693

8 What are the intermediate subfactors of the tensor product of two maximal subfactors? 2013-06-30T13:06:55.193

8 Are the reduced group Von Neumann algebra/ Group $C^{\ast}$ algebra functorial in the case of LCH groups 2013-11-03T01:16:22.900

8 Which Sigma-Ideals in a Sigma-Algebra are Ideals of Null Sets? 2014-01-08T11:32:13.590

8 Embedding the group von Neumann algebra into an injective von Neumann algebra on the same Hilbert space 2015-02-15T02:35:36.240

8 The positive cone of the standard representation of a Von Neumann algebra 2016-01-13T17:34:04.377

8 Weak*-norm continuous operators on von Neumann algebras 2017-01-29T10:56:32.543

8 A small corner w.r.t. a masa in a von Neumann algebra 2017-09-08T13:19:26.907

7 Is there a finite-index finite-depth II$_1$ subfactor which is more than $7$-super-transitive? 2009-10-07T20:38:03.827

7 A coalgebraic description of the hyperfinite II_1 revisited 2009-11-12T13:55:15.300

7 Murray-von Neumann classification of local algebras in Haag-Kastler QFT 2010-04-16T00:18:26.883

7 normalizer of algebras and groups 2010-04-27T17:30:00.820

7 Finite dimensionality of certain $C^{\star}$-algebras 2010-08-20T13:03:26.630

7 Is the "Laplacian" a MASA in a Burnside Factor? 2010-09-22T20:59:57.147

7 Are the compact and Haagerup approximation properties equivalent? 2010-09-24T00:45:13.277

7 "Averaging" in von Neumann algebras 2010-10-01T14:38:37.030

7 subfactor of finite rank but infinite index: is this possible? 2010-10-06T20:42:15.080

7 Why is every factor a tensor product of a $\sigma$-finite factor and a factor of type I? 2010-11-06T02:13:33.407

7 endomorphism of factor: can it be idempotent up to congugacy? 2010-11-06T21:41:45.977

7 Subfactor theory and Hilbert von Neumann Algebras 2010-11-12T22:05:17.557

7 Is it known that "hyperfinite length" cannot distinguish free group factors? 2010-11-18T17:28:38.587

7 Canonical Time Evolution for Type $II_{1}$-Factors? 2011-03-08T16:52:37.987

7 How does the right regular of GL(n, R) and GL(n,Qp) decompose? 2011-07-20T07:49:49.347

7 Clarifying the link between deformation/rigidity and dual cocycles 2012-11-28T23:37:07.520

7 Is the fundamental group of $II_{1}$ factors invariant under a relation? 2013-07-25T12:23:25.983

7 How the modular theory of von Neumann algebras, deal with generating C*-algebras? 2014-12-20T18:15:43.867

7 Approximation in the tensor square of a weakly exact von Neumann algebra 2015-03-09T12:58:22.330

7 Can a finite von Neumann algebra be strongly morita equivalent to a properly infinite von neumann algebra? 2015-03-13T01:20:25.233

7 The quantum group SUq(n) as von Neumann algebra 2016-03-14T10:42:25.583

7 Does every integer map generate a von Neumann algebra of type I? 2017-12-30T03:05:45.003

7 The von Neumann algebra generated by a non-closable operator 2018-01-03T02:55:14.530

6 Hochschild/Cyclic Homology of von Neumann Algebras: Useless? 2009-10-16T19:28:36.790

6 Proof of PCT theorem for Haag-Kastler nets in QFT 2010-06-10T14:34:51.600

6 Would a supersymmetric theory of von Neumann algebras be useful? 2010-10-25T23:26:43.020

6 Is there an inclusion of $L_\infty(G)$ into $C_0(G)^{**}$? 2012-01-11T13:17:02.790

6 Normalizer of a von Neumann algebra 2012-02-02T13:17:41.660

6 von Neumann automorphisms: does convergence on a dense algebra imply $u$-convergence? 2012-07-11T11:23:49.863

6 The monotone closure of a $C^*$-algebra 2012-08-03T12:56:59.093