Erik Christensen
Associate professor emeritus
Department of Mathematical Sciences
Universitetsparken 5, 2100 København Ø, 04 Matematik E, Building: 04-0-18
- Published
Measures on projections and physical states
Christensen, Erik, Dec 1982, In: Communications in Mathematical Physics. 86, 4, p. 529-538 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Decompositions of block schur products
Christensen, Erik, 2020, In: Journal of Operator Theory. 84, 1, p. 139-152Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Pertrurbationer af operatoralgebraer
Christensen, Erik, 1984, 50 p.Research output: Book/Report › Book › Research › peer-review
- Published
Some points of view on Grothendieck's inequalities
Christensen, Erik, 2024, In: Linear Algebra and Its Applications. 691, p. 196-215 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Module mappings into von Neumann algebras and injectivity
Christensen, Erik & Sinclair, A. M., 1995, In: Proceedings of the London Mathematical Society. 71, p. 618-640Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Higher weak derivatives and reflexive algebras of operators
Christensen, Erik, 2016, Operator Algebras and Their Applications: A Tribute to Richard V. Kadison. Doran, R. S. & Park, E. (eds.). American Mathematical Society, p. 69-83 (Contemporary Mathematics, Vol. 671).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Derivations of nest algebras
Christensen, Erik, Jun 1977, In: Mathematische Annalen. 229, 2, p. 155-161 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Perturbation of operator algebras
Christensen, Erik, Feb 1977, In: Inventiones Mathematicae. 43, 1, p. 1-13 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Jordan norms for multilinear maps on C*-algebras and Grothendieck's inequalities
Christensen, Erik, 27 May 2024, In: Mathematica Scandinavica. 130 , 2, p. 383 - 397Research output: Contribution to journal › Journal article › Research › peer-review
- Published
On invertibility preserving linear mappings, simultaneous triangularization and Property L.
Christensen, Erik, 1998, In: Linear Algebra and Its Applications. 301, p. 153-170Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Similarities of II_1 factors with property Gamma
Christensen, Erik, 1986, In: Journal of Operator Theory. 15, 2, p. 281 - 288 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A cohomological characterization of approximately finite dimension von Neumann algebras
Christensen, Erik, 1997, Operator Algebras and quantum field theory. Rom: International Press, p. 323-328Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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
- Published
Perturbations of operator algebras II.
Christensen, Erik, 1977, In: Indiana University Mathematics Journal. 26, p. 891 - 904 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 4394
Most downloads
-
144
downloads
The block Schur product is a Hadamard product
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
81
downloads
On the complete boundedness of the Schur block product
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
26
downloads
Decompositions of block schur products
Research output: Contribution to journal › Journal article › Research › peer-review
Published