Chr Ulrik Jensen

Chr Ulrik Jensen

Emeritus


  1. 2019
  2. Published

    Almost slender rings and compact rings

    Jensen, Chr Ulrik, Jøndrup, Søren & Thorup, Anders, 1 May 2019, In: Journal of Pure and Applied Algebra. 223, 5, p. 1869-1896

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. 2017
  4. Published

    Slender domains and compact domains

    Jensen, Chr Ulrik, Jøndrup, Søren & Thorup, Anders, Jul 2017, In: Forum Mathematicum. 29, 4, p. 893-904 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. 2015
  6. Published

    Gorenstein orders

    Jensen, Chr Ulrik & Thorup, Anders, 2015, In: Journal of Pure and Applied Algebra. 219, 3, p. 551-562 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. 2011
  8. Published

    The inverse Problem of Galois Theory

    Jensen, Chr Ulrik, 2011, In: Normat. 59, 3-4, p. 131-143

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. 2010
  10. Published

    Some field theoretic properties and an application concerning transcendental numbers

    Jensen, Chr Ulrik & Marques, D., 2010, In: Journal of Algebra and its Applications. 9, 3, p. 493-500 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. 2008
  12. Published

    Variations on Whitehead's problem and the structure of Ext

    Jensen, Chr Ulrik, 2008, Models, Modules and Abelian Groups: In Memory of A. L. S. Corner. Goebel, R. & Goldsmith, B. (eds.). p. 407-415 9 p.

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

  13. 2007
  14. Published

    Embeddability of quadratic extensions in cyclic extensions

    Geyer, W. & Jensen, Chr Ulrik, 2007, In: Forum Mathematicum. 19, 4, p. 707-725

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. 2006
  16. Published

    Some remarks on Hilbertian fields: (An appendix to the paper “Galois averages” by R. Massy

    Jensen, Chr Ulrik & Massy, R., 2006, In: Journal of Number Theory. 120, 2, p. 229-233 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. 2004
  18. Published

    On the number of real roots of a solvable polynomial

    Jensen, Chr Ulrik, 2004, In: Acta Arithmetica. 115, p. 255-263

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Solvability by Real Radicals and Fermat Primes

    Jensen, Chr Ulrik, 2004, In: Canadian Mathematical Bulletin. 47, p. 229-236

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. 2003
  21. Published

    A remark on real radical extensions

    Jensen, Chr Ulrik, 2003, In: Acta Arithmetica. 107, 4, p. 373-379 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. 2002
  23. Published

    Generic polynomials: Constructive Aspects of the Inverse Galois Problem

    Jensen, Chr Ulrik, Ledet, A. & Yui, N., 2002, Cambridge: Cambridge University Press. (MSRI Publications, Vol. 45).

    Research output: Book/ReportBookResearchpeer-review

  24. 1999
  25. Published

    How often can a finite group be realized as a Galois group over a field?

    Jensen, Chr Ulrik & Prestel, A., 1999, In: Manuscripta Mathematica. 99, 2, p. 223-247 25 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. 1997
  27. Published

    Elementary questions in Galois theory

    Jensen, Chr Ulrik, 1997, Advances in algebra and model theory: Selected surveys presented at conferences in Essen 1994 and Dresden 1995. Gordon and Breach, Amsterdam, p. 11-24 14 p. (Algebra, Logic and Applications, Vol. 9).

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

  28. 1996
  29. Published

    Finitely generated pro-p-groups as Galois groups of maximalp-extensions of function fields over ℚ q

    Jensen, Chr Ulrik & Prestel, A., 1996, In: Manuscripta Mathematica. 90, 2, p. 225-238 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Prodihedral groups as Galois groups over number fields

    Geyer, W. & Jensen, Chr Ulrik, 1996, In: Journal of Number Theory. 60, 2, p. 332-372 41 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. 1994
  32. Published

    Extensions prodiédrales

    Geyer, W. & Jensen, Chr Ulrik, 1994, In: Comptes Rendus de l'Académie des Sciences - Series I - Mathematics. 319, 12, p. 1241-1244 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Realization of finitely generated profinite groups by maximal abelian extensions of fields

    Jensen, Chr Ulrik & Prestel, A., 1994, In: Journal fuer die Reine und Angewandte Mathematik. 447, p. 201-218 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. 1992
  35. Published

    Finite Groups as Galois Groups over Arbitrary Fields

    Jensen, Chr Ulrik, 1992, In: Contemporary Mathematics. 131, 2, p. 435-448

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    Unique realizability of finite abelian 2-groups as Galois groups

    Jensen, Chr Ulrik & Prestel, A., 1992, In: Journal of Number Theory. 40, 1, p. 12-31 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. 1989
  38. Published

    Algebraic compactness of ultrapowers and representation type

    Jensen, Chr Ulrik & Zimmermann-Huisgen, B., 1989, In: Pacific Journal of Mathematics. 139, 2, p. 251-265 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Model-theoretic algebra with particular emphasis on fields, rings, modules

    Jensen, Chr Ulrik & Lenzing, H., 1989, Gordon and Breach Science Publishers, New York. (Algebra, Logic and Applications, Vol. 2).

    Research output: Book/ReportBookResearchpeer-review

  40. Published

    On the representations of a group as a Galois group over an arbitrary field

    Jensen, Chr Ulrik, 1989, Théorie des nombres (Quebec, PQ, 1987). De Gruyter, p. 441-458 18 p.

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

  41. 1988
  42. Published

    Quaternion extensions

    Jensen, Chr Ulrik & Yui, N., 1988, Algebraic geometry and commutative algebra, Vol. I. Kinokuniya, Tokyo, p. 155-182 28 p.

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

  43. 1986
  44. Published

    On the general inverse problem of Galois theory

    Jensen, Chr Ulrik, 1986, In: Mathematical Reports of the Academy of Science. 8, 2, p. 145-149 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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