Asger Dag Törnquist

Asger Dag Törnquist

Associate Professor - Promotion Programme


  1. 2023
  2. Published

    Set theory and a model of the mind in psychology

    Törnquist, Asger Dag & Mammen, J., 2023, In: Review of Symbolic Logic. 16, 4, p. 1233-1259

    Research output: Contribution to journalJournal articlepeer-review

  3. 2022
  4. Published

    Maximal almost disjoint families, determinacy, and forcing

    Bakke Haga, K., Schrittesser, D. & Törnquist, Asger Dag, 2022, In: Journal of Mathematical Logic. 22, 1, p. 1-42 2150026.

    Research output: Contribution to journalJournal articlepeer-review

  5. 2021
  6. Published

    The Borel complexity of von Neumann equivalence

    Moroz, I. & Törnquist, Asger Dag, 2021, In: Annals of Pure and Applied Logic. 172, 5, 28 p., 102913.

    Research output: Contribution to journalJournal articlepeer-review

  7. 2020
  8. Published

    Unitarizability, Maurey-Nikishin factorization, and Polish groups of finite type

    Ando, H., Matsuzawa, Y., Thom, A. & Törnquist, Asger Dag, 2020, In: Journal fuer die Reine und Angewandte Mathematik. 758, p. 223-251 29 p.

    Research output: Contribution to journalJournal articlepeer-review

  9. 2019
  10. Published

    Non-classification of free Araki-Woods factors and τ-invariants

    Sasyk, R., Törnquist, Asger Dag & Vaes, S., 2019, In: Groups, Geometry, and Dynamics. 13, 4, p. 1219-1234

    Research output: Contribution to journalJournal articlepeer-review

  11. Published

    The Ramsey property implies no mad families

    Schrittesser, D. & Törnquist, Asger Dag, 2019, In: Proceedings of the National Academy of Sciences of the United States of America. 116, 38, p. 18883-18887 5 p.

    Research output: Contribution to journalJournal articlepeer-review

  12. 2018
  13. Published

    A Fraïssé approach to the Poulsen simplex. Sets and computations

    Conley, C. & Törnquist, Asger Dag, 2018, Sets and Computations. Friedman, S-D., Raghavan, D. & Yang, Y. (eds.). World Scientific, p. 11-24 (National University of Singapore. Institute for Mathematical Sciences. Lecture Notes Series, Vol. 33).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  14. Published

    Definability and almost disjoint families

    Törnquist, Asger Dag, 2018, In: Advances in Mathematics. 330, p. 61-73

    Research output: Contribution to journalJournal articlepeer-review

  15. Published

    Definable maximal discrete sets in forcing extensions

    Schrittesser, D. & Törnquist, Asger Dag, 2018, In: Mathematical Research Letters. 25, 5, p. 1591-1612

    Research output: Contribution to journalJournal articlepeer-review

  16. 2017
  17. Published

    A co-analytic Cohen indestructible maximal cofinitary group

    Fischer, V., Schrittesser, D. & Törnquist, Asger Dag, Jun 2017, In: Journal of Symbolic Logic. 82, 2, p. 629-647

    Research output: Contribution to journalJournal articlepeer-review

  18. 2015
  19. Published

    The Σ12 counterparts to statements that are equivalent to the continuum hypothesis

    Törnquist, Asger Dag & Weiss, W., Dec 2015, In: Journal of Symbolic Logic. 80, 4, p. 1075-1090

    Research output: Contribution to journalJournal articlepeer-review

  20. Published

    Template iterations and maximal cofinitary groups

    Fischer, V. & Törnquist, Asger Dag, 2015, In: Fundamenta Mathematicae. 230, 3, p. 205-236

    Research output: Contribution to journalJournal articlepeer-review

  21. 2014
  22. Published

    Turbulence, orbit equivalence, and the classification of nuclear C-algebras

    Farah, I., Toms, A. & Törnquist, Asger Dag, 2014, In: Journal fuer die Reine und Angewandte Mathematik. 688, p. 101-146

    Research output: Contribution to journalJournal articlepeer-review

  23. 2013
  24. Published

    The descriptive set theory of C∗-algebra invariants

    Farah, I., Toms, A. & Törnquist, Asger Dag, 2013, In: International Mathematics Research Notices. 2013, 22, p. 5196–5226

    Research output: Contribution to journalJournal articlepeer-review

  25. Published

    The isomorphism relation for separable C*-algebras

    Elliott, G., Farah, I., Paulsen, V., Rosendal, C., Toms, A. & Törnquist, Asger Dag, 2013, In: Mathematical Research Letters. 20, 6, p. 1071–1080

    Research output: Contribution to journalJournal articlepeer-review

  26. Published

    Σ12 and Π11 mad families

    Törnquist, Asger Dag, 2013, In: Journal of Symbolic Logic. 78, 4, p. 1181-1182

    Research output: Contribution to journalJournal articlepeer-review

  27. 2012
  28. Published

    Set Theory and von Neumann algebras

    Törnquist, Asger Dag & Lupini, M., 1 Nov 2012, Appalachian Set Theory : 2006-2012. Cummings, J. & Schimmerling, E. (eds.). Cambridge University Press, p. 363-396 34 p. (London Mathematical Society. Lecture Note Series, Vol. 406).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  29. Published

    Projective maximal families of orthogonal measures with large continuum

    Fischer, V., Friedman, S. D. & Törnquist, Asger Dag, 2012, In: Journal of Logic and Analysis. 4, p. Paper 9 15 p.

    Research output: Contribution to journalJournal articlepeer-review

  30. Published

    The conjugacy relations on unitary representations

    Hjorth, G. & Törnquist, Asger Dag, 2012, In: Mathematical Research Letters. 19, 3, p. 525-535

    Research output: Contribution to journalJournal articlepeer-review

  31. 2011
  32. Published

    On the pointwise implementation of near-actions

    Törnquist, Asger Dag, 1 Sep 2011, In: Transactions of the American Mathematical Society. 363, 9, p. 4929-4944 16 p.

    Research output: Contribution to journalJournal articlepeer-review

  33. Published

    Localized cohomology and some applications of Popa's cocycle superrigidity theorem

    Törnquist, Asger Dag, 2011, In: Israel Journal of Mathematics. 181, 1, p. 327-346 20 p.

    Research output: Contribution to journalJournal articlepeer-review

  34. 2010
  35. Published

    Turbulence and Araki-Woods factors

    Sasyk, R., Törnquist, A. & Törnquist, Asger Dag, 1 Nov 2010, In: Journal of Functional Analysis. 259, 9, p. 2238-2252 15 p.

    Research output: Contribution to journalJournal articlepeer-review

  36. Published

    The effective theory of Borel equivalence relations

    Fokina, E. B., Friedman, S. & Törnquist, Asger Dag, 1 Apr 2010, In: Annals of Pure and Applied Logic. 161, 7, p. 837-850 14 p.

    Research output: Contribution to journalJournal articlepeer-review

  37. A co-analytic maximal set of orthogonal measures

    Fischer, V. & Törnquist, Asger Dag, 2010, In: Journal of Symbolic Logic. 75, 4, p. 1403-1414 12 p.

    Research output: Contribution to journalJournal articlepeer-review

  38. 2009
  39. Published

    Borel reductibility and classification of von neumann algebras

    Sasyk, R. & Törnquist, Asger Dag, 1 Jun 2009, In: Bulletin of Symbolic Logic. 15, 2, p. 169-183 15 p.

    Research output: Contribution to journalJournal articlepeer-review

  40. Published

    Conjugacy, orbit equivalence and classification of measure-preserving group actions

    Törnquist, Asger Dag, 1 Jun 2009, In: Ergodic Theory and Dynamical Systems. 29, 3, p. 1033-1049 17 p.

    Research output: Contribution to journalJournal articlepeer-review

  41. Published

    The classification problem for von Neumann factors

    Sasyk, R. & Törnquist, Asger Dag, 15 Apr 2009, In: Journal of Functional Analysis. 256, 8, p. 2710-2724 15 p.

    Research output: Contribution to journalJournal articlepeer-review

  42. Published

    Definable davies' theorem

    Törnquist, Asger Dag & Weiss, W., 1 Jan 2009, In: Fundamenta Mathematicae. 205, 1, p. 77-89 13 p.

    Research output: Contribution to journalJournal articlepeer-review

  43. 2006
  44. Published

    Orbit equivalence and actions of F

    Törnquist, Asger Dag, 1 Mar 2006, In: Journal of Symbolic Logic. 71, 1, p. 265-282 18 p.

    Research output: Contribution to journalJournal articlepeer-review

ID: 37590868