Kjeld Bagger Laursen

Kjeld Bagger Laursen

Emeritus

ORCID: 0000-0002-5251-245X

Publication year:
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1 - 60 out of 60Page size: 500
  1. 2012
  2. Published

    Dovne drenge eller dødbringende matematik?

    Bacher, C., Laursen, Kjeld Bagger, Iversen, S. M. & Ulriksen, Lars, 10 Mar 2012, In: MONA: Matematik og Naturfagsdidaktik. 2012, 1, p. 23-45 23 p.

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

  3. Published

    Matematik og naturfagene i Ny Nordisk Skole

    Horst, Sebastian, Dolin, Jens, Laursen, Kjeld Bagger, Andersen, H. M., Goldbech, O. & Kjeldsen, Tinne Hoff, 2012, In: MONA: Matematik og Naturfagsdidaktik. 4, p. 68-84 17 p.

    Research output: Contribution to journal › Journal article › Research

  4. 2011
  5. Published

    Gymnasiets drenge - matematikfagets drenge: Rapport fra et FoU-projekt - 126152

    Bacher, C., Iversen, S. M., Laursen, Kjeld Bagger & Ulriksen, Lars, 29 Jun 2011, 40 p.

    Research output: Book/Report › Report › Research

  6. Published

    Forskningsbaseret undervisning - realiteter og potentialer: Proceedings fra d. 10. majkonference i naturvidenskabsdidaktik, København 18.-19. maj 2010

    Christiansen, Frederik Voetmann (ed.), Horst, Sebastian (ed.), Holm, Christine (ed.) & Laursen, Kjeld Bagger (ed.), 2011, Department of Science Education, University of Copenhagen. 150 p. (IND's Skriftserie, Vol. 21).

    Research output: Book/Report › Anthology › Communication

  7. 2009
  8. Published

    Reforming University Studies: How Well Does New Legislation Modify Entrenched Behaviour?

    Laursen, Kjeld Bagger & Horst, Sebastian, 2009, University Science and Mathematics Education in Transition. Skovsmose, O., Valero, P. & Christensen, O. R. (eds.). Springer Science+Business Media, p. 223-239 17 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  9. 2007
  10. Published

    Erfaringsopsamling fra skoleledelserne under DASG, Institut for Naturfagenes Didaktik, Københavns Universitet.

    Laursen, Kjeld Bagger, Holm, Christine & Madsen, Lene Møller, 2007

    Research output: Book/Report › Report › Communication

  11. Published

    Midtvejsevaluering af "Dataopsamling og databehandling" under DASG, Institut for Naturfagenes Didaktik, Københavns Universitet.

    Madsen, Lene Møller, Holm, Christine & Laursen, Kjeld Bagger, 2007

    Research output: Book/Report › Report › Communication

  12. Published

    Midtvejsevaluering af "Naturvidenskab for alle - Naturvidenskabeligt grundforløb" under DASG, Institut for Naturfagenes Didaktik, Københavns Universitet.

    Holm, Christine, Laursen, Kjeld Bagger & Madsen, Lene Møller, 2007

    Research output: Book/Report › Report › Communication

  13. 2003
  14. Published

    (D)ecomposa(B)ility, in Operator Theory and Banach Algebras, Conference Proceedings, Rabat (Morocco) April 1999

    Laursen, Kjeld Bagger, 2003, (D)ecomposa(B)ility, in Operator Theory and Banch Algebras, Conference Proceedings, Rabat (Morocco), April 1999, Bucharest 2003. Theta, Bucharest, p. -

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  15. Published

    Introduction to Banach Algebras, Operators, and Harmonic Analysis

    Laursen, Kjeld Bagger, Dales, H. G., Aiena, P., Eschmeier, J. & Willis, G. A., 2003, Introduction to Banach Algebras, Operators, and Harmonic Analysis. Cambridge, p. 199-264 (London Mathematical Society Student Texts, Vol. 57).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  16. 2000
  17. Published

    An Introduction to Local Spectral Theory

    Laursen, Kjeld Bagger & Neumann, M. M., 2000, London Mathematical Society Monographs, New Series. Oxford: Clarendon Press, Vol. 20.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  18. 1998
  19. Published

    Browder spectrum through local spectral theory

    Laursen, Kjeld Bagger, 1998, Proceedings of the International Conference on Banach Algebras ba97. Berlin: De Gruyter, p. 287-301

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  20. Published

    It takes two, but sometimes one will do

    Laursen, Kjeld Bagger, 1998, Rendiconti del Circolo Matematico di Palermo. Palermo, Sicilien, Italien: Circolo Matematico di Palermo, Vol. 56. p. 49-57

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  21. 1997
  22. Published

    Essential spectra through local spectral theory

    Laursen, Kjeld Bagger, 1997, In: Proceedings of the American Mathematical Society. 125, p. 1425-1434

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

  23. Published

    Operators with tacked spectrum

    Laursen, Kjeld Bagger & Mbekhta, M., 1997, In: Mathematical Proceedings of the Royal Irish Academy. 97, p. 19-30

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

  24. 1996
  25. Published

    Multipliers with natural local spectra on commutative Banach algebras

    Laursen, Kjeld Bagger, Neumann, M. M. & Eschmeier, J., 1996, In: Journal of Functional Analysis. 138, p. 273-294

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

  26. Published

    On Riesz theory of multipliers in commutative Banach algebras

    Laursen, Kjeld Bagger & Aiena, P., 1996, In: Mathematical Proceedings of the Royal Irish Academy. 96A, p. 184-193

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

  27. 1995
  28. Published

    Local spectral properties of commutators

    Laursen, Kjeld Bagger, Miller, V. G. & Neumann, M. M., 1995, In: Proceedings of the Edinburgh Mathematical Society. 38, 2, p. 313-329

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

  29. Published

    Operators with finite chain length and the ergodic theorem

    Laursen, Kjeld Bagger & Mbekhta, M., 1995, In: Proceedings of the American Mathematical Society. 123, p. 3443-3448

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

  30. 1994
  31. Published

    Local spectral theory and spectral inclusions

    Laursen, Kjeld Bagger & Neumann, M. M., 1994, In: Glasgow Mathematical Journal. 26, p. 331-343

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

  32. Published

    Multipliers and local spectral theory

    Laursen, Kjeld Bagger, 1994, Functional Analysis and Operator Theory. Warszawa: Banach Center, Polish Academy of Scienc., p. 223-236 (Banach Center Publications, Vol. 30).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  33. Published

    Multipliers with closed range on regular commutative Banach algebras

    Laursen, Kjeld Bagger & Aiena, P., 1994, In: Proceedings of the American Mathematical Society. 121, p. 1039-1048

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

  34. Published

    On analytic solutions of the equation (T-lambda) f(lambda) = x

    Laursen, Kjeld Bagger & Neumann, M. M., 1994, In: Seminar Notes in Functional Analysis. p. 256-265

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

  35. 1993
  36. Published

    Asymptotic intertwining and spectral inclusions on Banach spaces

    Laursen, Kjeld Bagger & Neumann, M. M., 1993, In: Czechoslovak Mathematical Journal. 43(118), p. 483-497

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

  37. Published

    Closed range multipliers and generalized inverses

    Laursen, Kjeld Bagger & Mbekhta, M., 1993, In: Studia Mathematica. 107, p. 127-135

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

  38. Published

    Om funktionalligninger

    Laursen, Kjeld Bagger, 1993, Matematiske Ideer. København: Matematiklærerforeningen, p. 259

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  39. 1992
  40. Published

    Automatic continuity of intertwiners in Topological Vector Spaces

    Laursen, Kjeld Bagger, 1992, Progress in Functional Analysis. Amsterdam: Aspen Publishers, p. XXVIII+431

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  41. Published

    Decomposable multipliers and applications to harmonic analysis

    Laursen, Kjeld Bagger & Neumann, M. M., 1992, In: Studia Mathematica. 101, 2, p. 193-214

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

  42. Published

    Local spectral properties of multipliers on Banach algebras

    Laursen, Kjeld Bagger & Neumann, M. M., 1992, In: Archiv der Mathematik. 58, p. 368-375

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

  43. Published

    Operators with finite ascent

    Laursen, Kjeld Bagger, 1992, In: Pacific Journal of Mathematics. 152, p. 323-336

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

  44. 1991
  45. Published

    Automatic continuity of intertwining linear operators on Banach spaces

    Laursen, Kjeld Bagger & Neumann, M. M., 1991, In: Rendiconti del Circolo Matematico di Palermo. 40, 3, p. 325-341

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

  46. Published

    Intertwiners and automatic continuity

    Laursen, Kjeld Bagger & Vrbova, P., 1991, In: Journal of the London Mathematical Society. 43, 2, p. 149-155

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

  47. Published

    Spectral Subspaces and Automatic Continuity

    Laursen, Kjeld Bagger, 1991, København: Eget forlag. 38 p.

    Research output: Book/Report › Doctoral thesis › Research

  48. 1989
  49. Published

    Some remarks on the surjectivity spectrum of linear operators

    Laursen, Kjeld Bagger & Vrbova, P., 1989, In: Czechoslovak Mathematical Journal. 39, 114

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

  50. 1988
  51. Published

    Algebraic spectral subspaces and automatic continuity

    Laursen, Kjeld Bagger, 1988, In: Czechoslovak Mathematical Journal. 38, 113, p. 157-172

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

  52. 1987
  53. Published

    Continuity of homomorphisms from C*-algebras into commutative Banach algebras

    Laursen, Kjeld Bagger, 1987, In: Journal of the London Mathematical Society. 36, 2, p. 165-175

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

  54. 1986
  55. Published

    Decomposable operators and automatic continuity

    Laursen, Kjeld Bagger & Neumann, M. M., 1986, In: Journal of Operator Theory. 15, p. 33-51

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

  56. 1984
  57. Published

    Central factorization in C*-algebras and its use in automatic continuity

    Laursen, Kjeld Bagger, 1984, In: Contemporary Mathematics. 32

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

  58. Published

    Epimorphisms of C*-algebras

    Laursen, Kjeld Bagger, 1984, Functional Analysis: Surveys and Recent Results III. Bierstedt & Fuchssteiner (eds.). North-Holland

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  59. Published

    Multipliers of radical Banach algebras of power series

    Laursen, Kjeld Bagger, Bade, W. G. & Dales, H. G., 1984, In: Memoirs of the American Mathematical Society. 49, 303

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

  60. 1983
  61. Published

    Central factorization in C*-algebras and continuity of homomorphisms

    Laursen, Kjeld Bagger, 1983, In: Journal of the London Mathematical Society. 28, 2, p. 123-130

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

  62. Published

    Ideal structure of radical sequence algebras

    Laursen, Kjeld Bagger, Bade, W. G. & Dales, H. G., 1983, Springer Lecture Notes in Mathematics. Springer, Vol. 975. p. 248-257

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  63. 1981
  64. Published

    Automatic continuity of generalized intertwining operators

    Laursen, Kjeld Bagger, 1981, In: Dissertationes Mathematicae. 189

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

  65. 1980
  66. Published

    Divisible subspaces and problems of automatic continuity

    Laursen, Kjeld Bagger, Bade, W. G. & Curtis, P. C., 1980, In: Studia Mathematica. 68, p. 159-186

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

  67. Published

    Prime ideals and automatic continuity in algebras of differentiable functions

    Laursen, Kjeld Bagger, 1980, In: Journal of Functional Analysis. 38, p. 16-24

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

  68. 1979
  69. Published

    Kan man kun differentiere på én måde?

    Laursen, Kjeld Bagger, 1979, In: Normat - Nordisk Matematisk Tidsskrift. 27, p. 107-111

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

  70. 1977
  71. Published

    Automatic continuity in algebras of differentiable functions

    Laursen, Kjeld Bagger, Bade, W. G. & Curtis, P. C., 1977, In: Mathematica Scandinavica. 40, p. 249-270

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

  72. 1976
  73. Published

    Continuity of linear maps from C*-algebras

    Laursen, Kjeld Bagger, 1976, In: Pacific Journal of Mathematics. 61, p. 483-491

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

  74. Some remarks on automatic continuity

    Laursen, Kjeld Bagger, 1976, Springer Lecture Notes in Mathematics, vol. 512. Springer, Vol. 512. p. 96-108

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  75. 1975
  76. Published

    Lifting matrix units in C*-algebras II

    Laursen, Kjeld Bagger & Sinclair, A. M., 1975, In: Mathematica Scandinavica. 37, p. 167-172

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

  77. 1974
  78. Published

    Symmetry of generalized group algebras

    Laursen, Kjeld Bagger, 1974, In: Proceedings of the American Mathematical Society. p. 318-322

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

  79. 1973
  80. Published

    A note on lifting of matrix units in C*-algebras

    Laursen, Kjeld Bagger, 1973, In: Mathematica Scandinavica. 33, p. 338-342

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

  81. Published

    Automatic continuity in Banach spaces and algebras

    Laursen, Kjeld Bagger & Stein, Jr, J. D., 1973, In: American Journal of Mathematics. 95, p. 495-505

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

  82. 1972
  83. Published

    Equivalence of algebra norms on L1(G)

    Laursen, Kjeld Bagger, 1972, In: Proceedings of the American Mathematical Society. 34, p. 316

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

  84. Published

    On discontinuous homomorphisms of L1(G)

    Laursen, Kjeld Bagger, 1972, In: Mathematica Scandinavica. 30, p. 263-266

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

  85. 1970
  86. Published

    Maximal two-sided ideals in tensor products of Banach algebras

    Laursen, Kjeld Bagger, 1970, In: Proceedings of the American Mathematical Society. 25, p. 475-480

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

  87. Published

    Mergelyan's theorem for vector-valued functions with an application to slice algebras

    Laursen, Kjeld Bagger, Briem, E. & Pedersen, N. W., 1970, In: Studia Mathematica. 25

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

  88. 1969
  89. Published

    Ideal structure in generalized group algebras

    Laursen, Kjeld Bagger, 1969, In: Pacific Journal of Mathematics. 30, p. 155-174

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

  90. Published

    Tensor products of Banach algebras with involution

    Laursen, Kjeld Bagger, 1969, In: Transactions of the American Mathematical Society. 136, p. 467-487

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

  91. 1965
  92. Published

    A characterization of reflexivity in Banach spaces

    Laursen, Kjeld Bagger, 1965, In: Mathematica Scandinavica. 16, p. 169-174

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

ID: 9648