Erik Christensen
Associate professor emeritus
Department of Mathematical Sciences
Universitetsparken 5, 2100 København Ø, 04 Matematik E, Building: 04-0-18
- 1998
- 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
- 1997
- 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
On the cohomology groups of cerain finite von Neumann algebras
Christensen, Erik, Pop, F. & Sinclair, A. M., 1997, In: Mathematische Annalen. 307, p. 71-92Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Two generalizations of the Gleason-Kahane-Z̀elazko theorem
Christensen, Erik, Jan 1997, In: Pacific Journal of Mathematics. 177, 1, p. 27-32 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 1995
- 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
- 1994
- Published
On von Neumann Algebras which are complemented Subspaces of B(H)
Christensen, Erik & Sinclair, A. M., 1994, In: Journal of Functional Analysis. 122, p. 91-102Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Universally bounded operators on von Neumann algebras of type II*U1
Christensen, Erik, 1994, Algebraic Methods in Operator Theory. Boston: Birkhäuser Verlag, p. 195-204Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1989
- Published
A survey of completely bounded operators
Christensen, Erik & Sinclair, A. M., Sep 1989, In: Bulletin of the London Mathematical Society. 21, 5, p. 417-448 32 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Completely bounded isomorphisms of injective von neumann algebras
Christensen, Erik & Sinclair, A. M., Jun 1989, In: Proceedings of the Edinburgh Mathematical Society. 32, 2, p. 317-327 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
On the vanishing of Hn(A, A*) for certain C*-algebras
Christensen, Erik & Sinclair, A. M., Mar 1989, In: Pacific Journal of Mathematics. 137, 1, p. 55-63 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 4394
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The block Schur product is a Hadamard product
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On the complete boundedness of the Schur block product
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Decompositions of block schur products
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