Erik Christensen

Erik Christensen

Associate professor emeritus

ORCID: 0000-0003-1754-0778

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  1. Published

    Konvekse mængder

    Christensen, Erik, 2001, 106 p.

    Research output: Book/Report › Book › Communication

  2. 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

  3. 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. 247-259

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Minimal Stinespring Representations of Operator Valued Multilinear Maps

    Christensen, Erik, 2023, In: Journal of Operator Theory. 89, 2, p. 587-601 15 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Module mappings into von Neumann algebras and injectivity

    Christensen, Erik & Sinclair, A. M., 1995, In: Proceedings of the London Mathematical Society. 71, p. 618-640

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Near inclusions of C*-algebras

    Christensen, Erik, Jul 1980, In: Acta Mathematica. 144, 1, p. 249-265 17 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    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

  8. Published

    On invertibility preserving linear mappings, simultaneous triangularization and Property L.

    Christensen, Erik, 1998, In: Linear Algebra and Its Applications. 301, p. 153-170

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    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

  10. Published

    On some problems studied by R.V. Kadison

    Christensen, Erik, 2003, In: Acta Mathematica Sinica. English series. 19, p. 523-534

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    On the cohomology groups of cerain finite von Neumann algebras

    Christensen, Erik, Pop, F. & Sinclair, A. M., 1997, In: Mathematische Annalen. 307, p. 71-92

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    On the complete boundedness of the Schur block product

    Christensen, Erik, 2019, In: Proceedings of the American Mathematical Society. 147, 2, p. 523-532

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. 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

  14. 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. 91-102

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    On weakly D-differentiable operators

    Christensen, Erik, 2016, In: Expositiones Mathematicae. 34, 1, p. 27–42

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Pertrurbationer af operatoralgebraer

    Christensen, Erik, 1984, 50 p.

    Research output: Book/Report › Book › Research › peer-review

  17. 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

  18. Published

    Perturbations of C*-algebraic Invariants

    Christensen, Erik, Sinclair, A. M., Smith, R. R. & White, S., 2010, In: Geometric and Functional Analysis. 20, 2, p. 368 - 397 30 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Perturbations of nuclear C*-algebras.

    Christensen, Erik, Sinclair, A. M., White, S., Smith, R. R. & Winter, W., 2012, In: Acta Mathematica. 208, p. 93-150 58 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. 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

  21. Published

    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

  22. Published

    Properly infinite aw*-algebras are monotone sequentially complete

    Christensen, Erik & Pedersen, G. K., Jul 1984, In: Bulletin of the London Mathematical Society. 16, 4, p. 407-410 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. 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. 3865-3869

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Representations of completely bounded multilinear operators

    Christensen, Erik & Sinclair, A. M., May 1987, In: Journal of Functional Analysis. 72, 1, p. 151-181 31 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. 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

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