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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Commutants of nest algebras modulo the compact operators
Christensen, Erik & Peligrad, C., Feb 1980, In: Inventiones Mathematicae. 56, 1, p. 113-116 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Unique matrix factorizations associated to bilinear forms and Schur multipliers
Christensen, Erik, 2024, In: Linear Algebra and Its Applications. 688, p. 215-231Research output: Contribution to journal › Journal article › Research › peer-review
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The algebra of generalized compacts associated with a von Neumann algebra
Christensen, Erik, 1987, Operator Theory: Advances and applications.. Birkhäuser Verlag, Vol. 24. p. 51 - 58 8 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Completely bounded multilinear maps and C*-algebraic cohomology
Christensen, Erik, Effros, E. G. & Sinclair, A., Jun 1987, In: Inventiones Mathematicae. 90, 2, p. 279-296 18 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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C*-algebras nearly contained in a type I C*-algebra
Christensen, Erik, Sinclair, A. M., White, S. A. & Smith, R. R., Jan 2013, In: Canadian Journal of Mathematics. 65, p. 52-65 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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On the complete boundedness of the Schur block product
Christensen, Erik, 2019, In: Proceedings of the American Mathematical Society. 147, 2, p. 523-532Research output: Contribution to journal › Journal article › Research › peer-review
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Perturbations of type I von neumann algebras
Christensen, Erik, Jan 1975, In: Journal of the London Mathematical Society. s2-9, 3, p. 395-405 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Close operator algebras
Christensen, Erik, 1988, In: NATO ASI Series C Mathematical and Physical Sciences - Advanced Study Institute. 247 , p. 537 - 556 20 p.Research output: Contribution to journal › Conference article › Research › peer-review
ID: 4394
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141
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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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79
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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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23
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Decompositions of block schur products
Research output: Contribution to journal › Journal article › Research › peer-review
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