Erik Christensen
Associate professor emeritus
Department of Mathematical Sciences
Universitetsparken 5, 2100 København Ø, 04 Matematik E, Building: 04-0-18
- 2010
- Published
The spatial isomorphism problem for close separable nuclear C*-algebras
Christensen, Erik, Sinclair, A. M., Smith, R. R., White, S. A. & Winter, W., 2010, In: Proceedings of the National Academy of Science of the United States of America. 107, 2, p. 587 - 591 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2009
- Published
Extensions and degeneration of spectral triples
Christensen, Erik & Ivan, C., 2009, In: Communications in Mathematical Physics. 285, 3, p. 925-955 31 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2008
- Published
Dirac operators and spectral triples for some fractal sets built on curves
Christensen, Erik, Ivan, C. & Lapidus, M. L., 2008, In: Advances in Mathematics. 217, 1, p. 42 - 78 37 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2007
- Published
Sums of two-dimensional spectral triples
Christensen, Erik & Ivan, C., 2007, In: Mathematica Scandinavica. 100, 1, p. 35-60 26 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2006
- Published
Spectral triples for AF C*-algebras and metrics on the Cantor set
Christensen, Erik, 2006, In: Journal of Operator Theory. 56, p. 17-46Research output: Contribution to journal › Journal article › Research › peer-review
- 2004
- Published
Metrics on group C*-algebras and a non-commutative Arzelà-Ascoli Theorem
Antonescu, C. & Christensen, Erik, 2004, In: Journal of Functional Analysis. 214, p. 247-259Research output: Contribution to journal › Journal article › Research › peer-review
- 2003
- Published
Hochschild cohomology of factors with property Gamma
Christensen, Erik, Sinclair, A. M. & Smith, R. R., 2003, In: Annals of Mathematics. 158, 2, p. 597-621Research output: Contribution to journal › Journal article › Research › peer-review
- Published
On some problems studied by R.V. Kadison
Christensen, Erik, 2003, In: Acta Mathematica Sinica. English series. 19, p. 523-534Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Property Gamma factors and the Hochschild cohomology problem
Christensen, Erik, Pop, F., Sinclair, A. M. & Smith, R. R., 2003, In: Proceedings of the National Academy of Science of the United States of America. 100, p. 3865-3869Research output: Contribution to journal › Journal article › Research › peer-review
- 2001
- Published
Finite von Neumann algebra factors with property Gamma
Christensen, Erik, 2001, In: Journal of Functional Analysis. 186, p. 366-380Research output: Contribution to journal › Journal article › Research › peer-review
ID: 4394
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161
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The block Schur product is a Hadamard product
Research output: Contribution to journal › Journal article › Research › peer-review
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119
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Decompositions of block schur products
Research output: Contribution to journal › Journal article › Research › peer-review
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88
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On the complete boundedness of the Schur block product
Research output: Contribution to journal › Journal article › Research › peer-review
Published