Erik Christensen

Erik Christensen

Associate professor emeritus


  1. Published

    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 journalJournal articleResearchpeer-review

  2. Published

    Spectral triples for AF C*-algebras and metrics on the Cantor set

    Christensen, Erik, 2006, In: Journal of Operator Theory. 56, p. 17-46

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Structural properties of close II1 factors

    Cameron, J., Christensen, Erik, Sinclair, A. M., Smith, R. R., White, S. & Wiggins, A. D., 2017, In: Münster Journal of Mathematics. 10, 1, p. 19-37

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Subalgebras of a finite algebra

    Christensen, Erik, Feb 1979, In: Mathematische Annalen. 243, 1, p. 17-29 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    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 journalJournal articleResearchpeer-review

  6. Published

    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 proceedingArticle in proceedingsResearchpeer-review

  7. Published

    The block Schur product is a Hadamard product

    Christensen, Erik, 2020, In: Mathematica Scandinavica. 126, 3, p. 603-616

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. 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

  9. 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 journalJournal articleResearchpeer-review

  10. Published

    Type II1 factors satisfying the spatial isomorphism conjecture.

    Cameron, J., Christensen, Erik, Sinclair, A. M., Smith, R. R., White, S. & Wiggins, A. D., 2012, In: Proceedings of the National Academy of Sciences USA (PNAS). 109, 5, p. 20338 - 20343 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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