Erik Christensen
Associate professor emeritus
Department of Mathematical Sciences
Universitetsparken 5, 2100 København Ø, 04 Matematik E, Building: 04-0-18
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Cohomology of operator algebras and quantum dynamical semigroups.
Christensen, Erik & Evans , D. E., 1979, In: Journal of the London Mathematical Society. 20, 2, p. 358-368 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Bilinear forms, Schur multipliers, complete boundedness and duality
Christensen, Erik, 2023, In: Mathematica Scandinavica. 129, 3, p. 543-569Research output: Contribution to journal › Journal article › Research › peer-review
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Generators of semigroups of completely positive maps
Christensen, Erik, Jun 1978, In: Communications in Mathematical Physics. 62, 2, p. 167-171 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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On non-selfadjoint representations of C*-algebras
Christensen, Erik, 1981, In: American Journal of Mathematics. 103, p. 817 - 833 17 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Non-commutative integration for monotone sequentially closed C∗ algebras
Christensen, Erik, 1972, In: Mathematica Scandinavica. 31, p. 171-190 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Spectral triples and the geometry of fractals
Christensen, Erik, Ivan, C. & Schroe, E., 2012, In: Journal of Noncommutative Geometry. 6, p. 249 - 274 26 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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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142
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The block Schur product is a Hadamard product
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80
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On the complete boundedness of the Schur block product
Research output: Contribution to journal › Journal article › Research › peer-review
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24
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Decompositions of block schur products
Research output: Contribution to journal › Journal article › Research › peer-review
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