Niels Grønbæk

Niels Grønbæk

Professor emeritus, Professor, emeritus

Member of:

    ORCID: 0000-0003-3022-856X

    Publication year:
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    1 - 58 out of 58Page size: 100
    1. 2020
    2. Published

      Efteruddannelse i CAS – erfaringer fra fire år med CMU

      Bang, H. P., Grønbæk, Niels & Larsen, C. R., 5 Dec 2020, In: MONA - Matematik- og Naturfagsdidaktik. 2020, 4, p. 26-45

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

    3. 2019
    4. Published

      Matematik B: Regningen skal betales

      Grønbæk, Niels, Winsløw, Carl & Jessen, Britta Eyrich, 5 Sep 2019, In: MONA - Matematik- og Naturfagsdidaktik. 2019, 3

      Research output: Contribution to journal › Comment/debate › Communication

    5. Published

      Teachers’ choices of digital approaches to upper secondary calculus

      Bang, H. P., Grønbæk, Niels & Larsen, C. R., 2019, Calculus in upper secondary and beginning university mathematics - Conference proceedings. Monaghan, J., Nardi, E. & Dreyfus, T. (eds.). Kristianssand, Norway: MatRIC, p. 67-70

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

    6. 2018
    7. Published

      Diskret Matematik

      Grønbæk, Niels, Bang, H. P. & Larsen, C. R., 2018, 154 p. København : EMU - Danmarks læringsportal.

      Research output: Other contribution › Net publication - Internet publication › Education

    8. Published

      Proceedings of the Fifth ERME TOPIC CONFERENCE (ETC 5) on Mathematics Education in the Digital Age (MEDA), 5-7 September 2018, Copenhagen, Denmark

      Weigand, H. (ed.), Clark-Wilson, A. (ed.), Donevska-Todorova, A. (ed.), Faggiano, E. (ed.), Grønbæk, Niels (ed.) & Trgalova, J. (ed.), 2018, University of Copenhagen. 329 p.

      Research output: Book/Report › Anthology › Research › peer-review

    9. 2017
    10. Published

      Matematik - et fag på anfordring

      Grønbæk, Niels, Aug 2017, In: MONA: Matematik- og Naturfagsdidaktik. 2017-3, p. 80-83

      Research output: Contribution to journal › Comment/debate › Research

    11. Published

      Matematik-krise: Lærer-uddannelse skal styrkes

      Grønbæk, Niels, 26 Jan 2017, In: Berlingske Tidende. 26. januar, 1 p.

      Research output: Contribution to journal › Contribution to newspaper - Comment/debate › Communication

    12. Published

      Challenges in Teaching Praxis When CAS Is Used in Upper Secondary Mathematics

      Grønbæk, Niels, Larsen, C., Bang, H., Weigand, H., Lavicza, Z., Monaghan, J., Heid, M. K., Thomas, M. & Drijvers, P., 2017, Proceedings of the 13th International Congress of Mathematical Education: ICME-13. Kaiser, G. (ed.). Springer, p. 661-662 (ICME-13 Monographs).

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

    13. Published

      Coaching and engaging. Developing teaching with CAS in High School

      Bang, H. P., Grønbæk, Niels & Larsen, C. R., 2017. 2 p.

      Research output: Contribution to conference › Conference abstract for conference › Research

    14. Published

      Matematikkommissionen - afrapportering

      Grønbæk, Niels, Rasmussen, A., Skott, C. K. S., Bang-Jensen, J. B., Fajstrup, L., Schou, M. H., Christensen, M., Lumholt, M., Kjærup, R., Jørgensen, Solvejg, Hansen, S. L. & Markvorsen, S., 2017, Undervisningsministeriet. 47 p.

      Research output: Book/Report › Report › Commissioned

    15. Published

      Out- and insourcing, an analysis model for use of instrumented techniques

      Bang, H. P., Grønbæk, Niels & Larsen, C. R., 2017, Proceedings of the Tenth Congress of the European Society for Research in Mathematics Education. Dooley, T. & Gueudet, G. (eds.). Dublin: DCU Institute of Education and ERME, 8 p.

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    16. Published

      Task Design for Students’ Work with Basic Theory in Analysis: The Cases of Multidimensional Differentiability and Curve Integrals

      Gravesen, K. F., Grønbæk, Niels & Winsløw, Carl, 2017, In: International Journal of Research in Undergraduate Mathematics Education. 3, 1, p. 9-33 25 p.

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

    17. 2016
    18. Published

      CAS eller Ka'-Selv

      Grønbæk, Niels, 22 Nov 2016, Matematik med it: Baggrund - Metoder - Eksempler. Pedersen, J. U., Spahn, K. S. & Nielsen, G. B. (eds.). Nordby, Samsø: Forlaget Matematik, p. 100-119

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education › peer-review

    19. Published

      Evaluering af de skriftlige prøver i matematik på STX og HF ved sommereksamen 2015

      Jessen, C., Nielsen, M. O., Jørgensen, J. S. & Grønbæk, Niels, Jan 2016, Ministeriet for Børn, Undervisning og Ligestilling. 35 p.

      Research output: Book/Report › Report › Commissioned

    20. Published

      Lifting Problems for Normed Spaces

      Grønbæk, Niels, 2016, In: Annals of Functional Analysis. 7, 1, p. 118-126.

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

    21. 2015
    22. Published

      Hvem skal samle handsken op?

      Bang, H. P., Grønbæk, Niels & Larsen, C. R., Jun 2015, In: MONA - Matematik- og Naturfagsdidaktik. 2015, 2, p. 85-89

      Research output: Contribution to journal › Comment/debate › Research › peer-review

    23. Published

      Media and milieus for complex numbers: An experiment with Maple based text

      Grønbæk, Niels & Winsløw, Carl, 2015, CERME9 - Proceedings of the Ninth Congress of the European Society for Research in Mathematics Education. Krainer, K. & Vondrová, N. (eds.). HAL, p. 2131-2137

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

    24. 2014
    25. Published

      Klein's double discontinuity revisited: contemporary challenges for universities preparing teachers to teach calculus

      Winsløw, Carl & Grønbæk, Niels, 2014, In: Recherches en Didactique des Mathématiques. 34, 1, p. 59-86

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

    26. 2013
    27. Published

      Professional Computer Algebra Systems in Upper Secondary Mathematics

      Grønbæk, Niels, 2013. 2 p.

      Research output: Contribution to conference › Poster › Research › peer-review

    28. 2012
    29. Published

      Evaluering af de skriftlige prøver i matematik på stx og hf ved sommereksamen 2011

      Grønbæk, Niels, Jessen, C. & Nielsen, M. O., Nov 2012, 68 p.

      Research output: Book/Report › Report › Commissioned

    30. Published

      Sproglig matematik

      Grønbæk, Niels, Jun 2012, In: MONA: Matematik og Naturfagsdidaktik. 2012, 2, p. 84-86 3 p.

      Research output: Contribution to journal › Journal article › Research

    31. 2011
    32. Published

      Temaopgaver i matematik

      Grønbæk, Niels & Winsløw, Carl, May 2011, Forskningsbaseret undervisning - realiteter og potentialer. Christiansen, F. V., Horst, S., Holm, C. & Laursen, K. B. (eds.). København, Vol. 21. p. 35-47

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    33. Published

      Homology and cohomology of Rees semigroup algebras

      Grønbæk, Niels, Gourdeau, F. & White, M. C., 2011, In: Studia Mathematica. 202, 2, p. 105-121

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

    34. 2010
    35. Published

      Evaluering af de skriftlige prøver i matematik på stx og hf ved sommereksamen 2010

      Grønbæk, Niels, Jessen, C. & Nielsen, M. O., Oct 2010, 51 p.. Oct 29, 2010.

      Research output: Memorandum/exposition › Memorandum

    36. Published

      BIFLATNESS AND BIPROJECTIVITY OF BANACH ALGEBRAS GRADED OVER A SEMILATTICE

      Grønbæk, Niels & Habibian, F., 2010, In: Glasgow Mathematical Journal. 52, 3, p. 479–495

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

    37. 2009
    38. Published

      Assessment and contract-like relationships in undergraduate mathematics education

      Grønbæk, Niels, Misfeldt, Morten & Winsløw, Carl, 2009, University science and Mathematics Education : Challenges and possibilities. Skovsmose, O., Valero, P. & Christensen, O. (eds.). New York: Springer Science+Business Media, p. 85-108 24 p.

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

    39. Published

      Evaluering af de skriftlige prøver i matematik på stx og hf ved sommereksamen 2009

      Grønbæk, Niels, Jessen, C. & Overgård Nielsen, M., 2009, 74 p.. Oct 20, 2009.

      Research output: Memorandum/exposition › Memorandum

    40. Published

      Israel Journal of Mathematics

      Grønbæk, Niels & Blanco, A., 2009, In: Israel Journal of Mathematics. 171, 1, p. 127-156

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

    41. 2008
    42. Published

      Evaluering af de skriftlige prøver i matematik på stx og hf ved sommereksamen 2008

      Grønbæk, Niels, Jessen, C. & Overgård Nielsen, M., 2008, Undervisningsministeriet. 58 p.

      Research output: Book/Report › Report › Commissioned

    43. Published

      Push-outs of derivations

      Grønbæk, Niels, 2008, In: Proceedings of the Indian Academy of sciences. Mathematical sciences. 118, 2, p. 235-243

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

    44. 2007
    45. Published

      Cohomology of Banach algebras of operators and geometry of Banach spaces

      Grønbæk, Niels & Blanco, A., 2007, In: Contemporary Mathematics.

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

    46. Published

      Developing and assessing specific competencies in a first course on real analysis

      Grønbæk, Niels & Winsløw, Carl, 2007, In: Research in Collegiate Mathematics Education. VI, p. 99-138 40 p.

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

    47. Published

      Evaluering af skriftlig eksamen i matematik for stx B, hf B og hf C efter ny ordning, maj 2007

      Grønbæk, Niels, Jessen, C. & Overgård Nielsen, M., 2007, Undervisningsministeriet. 79 p.

      Research output: Book/Report › Report › Commissioned

    48. Published

      Thematic projects: a format to further and assess advanced student work in undergraduate mathematics

      Grønbæk, Niels & Winsløw, Carl, 2007, In: Recherches en Didactique des Mathématiques. 27, 2, p. 187-220 34 p.

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

    49. 2006
    50. Published

      Bounded Hochschild cohomology of Banach algebras with a matrix-like structure

      Grønbæk, Niels, 2006, In: Transactions of the American Mathematical Society. 358, p. 2651-2662

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

    51. Published

      Evaluering af skriftlig eksamen i matematik hf-C, ny ordning

      Grønbæk, Niels, Jessen, C. & Overgård Nielsen, M., 2006, Undervisningsministeriet. 35 p.

      Research output: Book/Report › Report › Commissioned

    52. Published

      Factorization and weak amenability of A(X)

      Grønbæk, Niels, 2006, In: Mathematical Proceedings of the Royal Irish Academy. 106A, 1, p. 31-52

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

    53. 2005
    54. Published

      En ny ramme om studier og eksamen i teoretisk matematik

      Grønbæk, Niels & Winsløw, Carl, 2005, En ny ramme om studier og eksamen i teoretisk matematik. Trondhjem, Norge: NTNU, p. 8

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

    55. Published

      En ny ramme om studier og eksamen i teoretisk matematik

      Grønbæk, Niels & Winsløw, Carl, 2005, Vurdering i matematikk - hvorfor og hvordan?. Trondheim: Nasjonalt Senter for Matematikk i opplæringen, NTNU, p. 197-204

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

    56. Published

      Evaluering af skriftlig eksamen i matematik stx og hf 2005

      Grønbæk, Niels, Jessen, C. & Overgård Nielsen, M., 2005, Evaluering af skriftlig eksamen i matematik stx og hf 2005. Undervisningsministeriet, 38 p.

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

    57. 2004
    58. Published

      Self-induced Banach algebras

      Grønbæk, Niels, 2004, Self-induced Banach algebras. 363 ed. American Mathematical Society, p. 15

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

    59. Published

      Temaopgaver - et format til fremme og evaluering af dybdelæring

      Grønbæk, Niels & Winsløw, Carl, 2004, Didaktips 4. 4 ed. København, p. alle

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

    60. 2003
    61. Published

      Compentencies, version ground floor

      Grønbæk, Niels & Winsløw, Carl, 2003, In: CNDs Skriftserie. 7, p. 37-50

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

    62. Published

      Competencies, version ground floor

      Grønbæk, Niels & Winsløw, Carl, 2003, If reform of science education is the answer- what were the questions?. p. 37-50

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

    63. Published

      Kompetencebeskrivelser i Universitetets virkelighed

      Grønbæk, Niels & Winsløv, C., 2003, København, Danmark: Center for naturfagenes didaktik. 8 p.

      Research output: Book/Report › Report › Communication

    64. 2000
    65. Published

      Metriske rum 2

      Grønbæk, Niels, 2000, Metriske rum. København: H.C.Ø.-Tryk, p. 38

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

    66. 1999
    67. Published

      On Hochschild cohomology of the augmentation ideal of a locally compact group.

      Grønbæk, Niels & Lau, A. T., 1999, In: Math. Proc. Cambridge Philos. Soc.. 126, p. 139-148

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

    68. 1998
    69. Published

      An imprimitivity theorem for representations of locally compact groups on arbitrary Banach spaces

      Grønbæk, Niels, 1998, In: Pacific Journal of Mathematics. 184, p. 121-148

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

    70. Published

      Derivations into iterated duals of Banach algebras

      Dales, H. G., Ghahramani, F. & Grønbæk, Niels, 1998, In: Studia Mathematica. 128, p. 19-54

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

    71. Published

      Some concepts from group cohomology in the Banach algebra context

      Grønbæk, Niels, 1998, Banach algebras '97. Proceedings of the 13th International Conference on Banach algebras. Berlin-New York: De Gruyter, p. 205-222

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

    72. Published

      Various notions of amenability, a survey of problems

      Grønbæk, Niels, 1998, Banach algebras '97. Proceedings of the 13th International Conference on Banach algebras. Berlin-New York: De Gruyter, p. 535-547

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

    73. 1997
    74. Published

      Embedding Nilpotent Finite Dimensional Banach Algebras into Amenable Banach Algebras

      Grønbæk, Niels & Willis, G. A., 1997, In: Journal of Functional Analysis. 145, p. 99-107

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

    75. 1995
    76. Published

      Morita equivalence for Banach algebras

      Grønbæk, Niels, 1995, In: Journal of Pure and Applied Algebra. 99, p. 183-219

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

    77. Published

      Morita equivalence for self-induced Banach algebras

      Grønbæk, Niels, 1995, In: Houston J. Math.. 22, p. 109-140

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

    78. 1994
    79. Published

      Amenability of Banach algebras of compact operators

      Grønbæk, Niels, Johnson, B. E. & Willis, G. A., 1994, In: Amenability of Banach algebras of compact operators. 87, p. 289-324

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

    80. 1993
    81. Published

      Approximate identities in Banach algebras of compact operators

      Grønbæk, Niels & Willis, G. A., 1993, In: Canadian Mathematical Bulletin. 36, 1, p. 45-53

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

    82. 1992
    83. Published

      Weak and cyclic amenability for non-commutative Banach algebras

      Grønbæk, Niels, 1992, In: Proceedings of the Edingburgh Mathematical Soc.. 35, p. 315-328

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

    84. 1991
    85. Published

      Amenability and weak amenability of tensor algebras and algebras of nuclear operators

      Grønbæk, Niels, 1991, In: J. Austral. Math. Soc. Ser. A. 51, p. 483-388

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

    ID: 11398