Erik Christensen

Erik Christensen

Associate professor emeritus


  1. 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 journalJournal articleResearchpeer-review

  2. Published

    Decompositions of block schur products

    Christensen, Erik, 2020, In: Journal of Operator Theory. 84, 1, p. 139-152

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Pertrurbationer af operatoralgebraer

    Christensen, Erik, 1984, 50 p.

    Research output: Book/ReportBookResearchpeer-review

  4. 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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-review

  6. 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 proceedingBook chapterResearchpeer-review

  7. Published

    Derivations of nest algebras

    Christensen, Erik, Jun 1977, In: Mathematische Annalen. 229, 2, p. 155-161 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Perturbation of operator algebras

    Christensen, Erik, Feb 1977, In: Inventiones Mathematicae. 43, 1, p. 1-13 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. 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 - 397

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. 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 journalJournal articleResearchpeer-review

  11. 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 journalJournal articleResearchpeer-review

  12. Published

    A cohomological characterization of approximately finite dimension von Neumann algebras

    Christensen, Erik, 1997, Operator Algebras and quantum field theory. Rom: International Press, p. 323-328

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  13. 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 journalJournal articleResearchpeer-review

  14. Published

    Perturbations of operator algebras II.

    Christensen, Erik, 1977, In: Indiana University Mathematics Journal. 26, p. 891 - 904 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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