Niels Grønbæk

Niels Grønbæk

Professor emeritus, Professor, emeritus

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    ORCID: 0000-0003-3022-856X

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    1. 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

    2. 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

    3. 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

    4. 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

    5. 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

    6. 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

    7. 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

    8. 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

    9. 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

    10. 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

    11. 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

    12. 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

    13. 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

    14. 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

    15. Published

      Kompetencebeskrivelser i Universitetets virkelighed

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

      Research output: Book/Report › Report › Communication

    16. 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

    17. 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

    18. 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

    19. 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

    20. 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

    21. 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

    22. 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

    23. 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

    24. 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

    25. 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

    26. 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

    27. 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

    28. 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

    29. 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

    30. 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

    31. 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

    32. 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

    33. 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

    34. 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

    35. 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

    36. 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

    37. 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

    38. 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

    39. 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

    40. 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

    41. 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

    42. 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

    43. 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

    44. 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

    45. 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

    46. Published

      Professional Computer Algebra Systems in Upper Secondary Mathematics

      Grønbæk, Niels, 2013. 2 p.

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

    47. 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

    48. 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

    49. 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

    50. 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

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