Niels Grønbæk
Professor emeritus, Professor, emeritus
Department of Mathematical Sciences
Universitetsparken 5, Building: 04 Matematik E, 04-0-18
2100 København Ø
Member of:
- 2020
- 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. 26-45Research output: Contribution to journal › Journal article › Research › peer-review
- 2019
- 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. 67-70Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Matematik B: Regningen skal betales
Grønbæk, Niels, Winsløw, Carl & Jessen, Britta Eyrich, 5 Sep 2019, In: MONA - Matematik- og Naturfagsdidaktik. 2019, 3Research output: Contribution to journal › Comment/debate › Communication
- 2018
- 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
- 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
- 2017
- 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
- 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
- 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
- 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
- Published
Matematik - et fag på anfordring
Grønbæk, Niels, Aug 2017, In: MONA: Matematik- og Naturfagsdidaktik. 2017-3, p. 80-83Research output: Contribution to journal › Comment/debate › Research
- 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
- 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
- 2016
- 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. 100-119Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education › peer-review
- 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
- 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
- 2015
- Published
Hvem skal samle handsken op?
Bang, H. P., Grønbæk, Niels & Larsen, C. R., Jun 2015, In: MONA - Matematik- og Naturfagsdidaktik. 2015, 2, p. 85-89Research output: Contribution to journal › Comment/debate › Research › peer-review
- 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. 2131-2137Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2014
- 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. 59-86Research output: Contribution to journal › Journal article › Research › peer-review
- 2013
- Published
Professional Computer Algebra Systems in Upper Secondary Mathematics
Grønbæk, Niels, 2013. 2 p.Research output: Contribution to conference › Poster › Research › peer-review
- 2012
- 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
- 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
- 2011
- Published
Homology and cohomology of Rees semigroup algebras
Grønbæk, Niels, Gourdeau, F. & White, M. C., 2011, In: Studia Mathematica. 202, 2, p. 105-121Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 35-47Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- 2010
- Published
BIFLATNESS AND BIPROJECTIVITY OF BANACH ALGEBRAS GRADED OVER A SEMILATTICE
Grønbæk, Niels & Habibian, F., 2010, In: Glasgow Mathematical Journal. 52, 3, p. 479–495Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 2009
- 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
- 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
- Published
Israel Journal of Mathematics
Grønbæk, Niels & Blanco, A., 2009, In: Israel Journal of Mathematics. 171, 1, p. 127-156Research output: Contribution to journal › Journal article › Research › peer-review
- 2008
- 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
- Published
Push-outs of derivations
Grønbæk, Niels, 2008, In: Proceedings of the Indian Academy of sciences. Mathematical sciences. 118, 2, p. 235-243Research output: Contribution to journal › Journal article › Research › peer-review
- 2007
- 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
- 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
- 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
- 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
- 2006
- Published
Bounded Hochschild cohomology of Banach algebras with a matrix-like structure
Grønbæk, Niels, 2006, In: Transactions of the American Mathematical Society. 358, p. 2651-2662Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- Published
Factorization and weak amenability of A(X)
Grønbæk, Niels, 2006, In: Mathematical Proceedings of the Royal Irish Academy. 106A, 1, p. 31-52Research output: Contribution to journal › Journal article › Research › peer-review
- 2005
- 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. 197-204Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
- 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. 8Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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
- 2004
- Published
Self-induced Banach algebras
Grønbæk, Niels, 2004, Self-induced Banach algebras. 363 ed. American Mathematical Society, p. 15Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Temaopgaver - et format til fremme og evaluering af dybdelæring
Grønbæk, Niels & Winsløw, Carl, 2004, Didaktips 4. 4 ed. København, p. alleResearch output: Chapter in Book/Report/Conference proceeding › Report chapter › Communication
- 2003
- Published
Compentencies, version ground floor
Grønbæk, Niels & Winsløw, Carl, 2003, In: CNDs Skriftserie. 7, p. 37-50Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Competencies, version ground floor
Grønbæk, Niels & Winsløw, Carl, 2003, If reform of science education is the answer- what were the questions?. p. 37-50Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
- Published
Kompetencebeskrivelser i Universitetets virkelighed
Grønbæk, Niels & Winsløv, C., 2003, København, Danmark: Center for naturfagenes didaktik. 8 p.Research output: Book/Report › Report › Communication
- 2000
- Published
Metriske rum 2
Grønbæk, Niels, 2000, Metriske rum. København: H.C.Ø.-Tryk, p. 38Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education
- 1999
- 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. 139-148Research output: Contribution to journal › Journal article › Research › peer-review
- 1998
- Published
Derivations into iterated duals of Banach algebras
Dales, H. G., Ghahramani, F. & Grønbæk, Niels, 1998, In: Studia Mathematica. 128, p. 19-54Research output: Contribution to journal › Journal article › Research › peer-review
- Published
An imprimitivity theorem for representations of locally compact groups on arbitrary Banach spaces
Grønbæk, Niels, 1998, In: Pacific Journal of Mathematics. 184, p. 121-148Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 205-222Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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. 535-547Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1997
- Published
Embedding Nilpotent Finite Dimensional Banach Algebras into Amenable Banach Algebras
Grønbæk, Niels & Willis, G. A., 1997, In: Journal of Functional Analysis. 145, p. 99-107Research output: Contribution to journal › Journal article › Research › peer-review
- 1995
- Published
Morita equivalence for Banach algebras
Grønbæk, Niels, 1995, In: Journal of Pure and Applied Algebra. 99, p. 183-219Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Morita equivalence for self-induced Banach algebras
Grønbæk, Niels, 1995, In: Houston J. Math.. 22, p. 109-140Research output: Contribution to journal › Journal article › Research › peer-review
- 1994
- 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. 289-324Research output: Contribution to journal › Journal article › Research › peer-review
- 1993
- Published
Approximate identities in Banach algebras of compact operators
Grønbæk, Niels & Willis, G. A., 1993, In: Canadian Mathematical Bulletin. 36, 1, p. 45-53Research output: Contribution to journal › Journal article › Research › peer-review
- 1992
- Published
Weak and cyclic amenability for non-commutative Banach algebras
Grønbæk, Niels, 1992, In: Proceedings of the Edingburgh Mathematical Soc.. 35, p. 315-328Research output: Contribution to journal › Journal article › Research › peer-review
- 1991
- 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. 483-388Research output: Contribution to journal › Journal article › Research › peer-review
ID: 11398
Most downloads
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1749
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Klein's double discontinuity revisited: contemporary challenges for universities preparing teachers to teach calculus
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
1061
downloads
Proceedings of the Fifth ERME TOPIC CONFERENCE (ETC 5) on Mathematics Education in the Digital Age (MEDA), 5-7 September 2018, Copenhagen, Denmark
Research output: Book/Report › Anthology › Research › peer-review
Published -
126
downloads
Media and milieus for complex numbers: An experiment with Maple based text
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Published