Tinne Hoff Kjeldsen

Tinne Hoff Kjeldsen

Professor, Viceinstitutleder, Professor

Medlem af:

  • Matematikkens Didaktik


  1. 2024
  2. Accepteret/In press

    From duality in mathematical programming to Fenchel duality and convex analysis: Duality as a force of inspiration in the creation of new mathematics

    Kjeldsen, Tinne Hoff, 2024, (Accepteret/In press) Preliminary title: Duality, an archetype of mathematical thinking. Krömer, R., Haffner, E. & Volkert, K. (red.). Birkhäuser Verlag, 27 s.

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  3. 2023
  4. Udgivet

    A Problem-Oriented Multiple Perspective Way into History of Mathematics – What, Why and How Illustrated by Practice

    Kjeldsen, Tinne Hoff, 2023, The Richness of the History of Mathematics. Chemla, K., Ferreiròs, J., Ji, L., Scholz, E. & Wang, C. (red.). Springer, s. 3-26 24 s. (Archimedes, Bind 66).

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  5. Udgivet

    Mathematical Modelling and Digital Tools —And How a Merger Can Support Students’ Learning

    Jessen, Britta Eyrich & Kjeldsen, Tinne Hoff, 2023, Mathematical Competencies in the Digital Era. Jankvist, U. T. & Geraniou, E. (red.). Cham: Springer, s. 99-118 20 s. (Mathematics Education in the Digital Era MEDE, Bind 20).

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  6. 2022
  7. Udgivet

    Developing historical awareness through the use of primary sources in the teaching and learning of mathematics

    Kjeldsen, Tinne Hoff, Clark, K. M. & Jankvist, U. T., 2022, Mathematics and its Connections to the Arts and Sciences (MACAS): 15 Years of Interdisciplinary Mathematics Education. Michelsen, C., Beckmann, A., Freiman, V., Jankvist, U. T. & Savard, A. (red.). Cham: Springer, s. 45-68 24 s. (Mathematics Education in the Digital Era MEDE, Bind 19).

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  8. 2020
  9. Udgivet

    Living by Numbers: The Strategies and Life Stories of Mid-Twentieth Century Danish Women Mathematicians

    Kjeldsen, Tinne Hoff, Fajstrup, L. & Gjerløff, Anne Katrine, 2020, Against All Odds: Women's Ways to Mathematical Research Since 1800. Kaufholz-Soldat, E. & Oswald, N. M. R. (red.). Springer, s. 249-277 (Women in the history of philosophy and sciences; Nr. 6).

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  10. 2019
  11. Udgivet

    A Multiple Perspective Approach to History of Mathematics: Mathematical Programming and Rashevsky's Early Development of Mathematical Biology in the Twentieth Century.

    Kjeldsen, Tinne Hoff, 2019, Interfaces between Mathematical Practices and Mathematical Education. Schubring, G. (red.). Springer, s. 143-167 25 s. (International Studies in the History of Mathematics and its Teaching).

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  12. 2018
  13. Udgivet

    Inquiry reflective learning environments and the use of the history of artifacts as a resource in mathematics education

    Johansen, Mikkel Willum & Kjeldsen, Tinne Hoff, apr. 2018, Mathematics, Education and History : Towards a Harmonious Partnership. Clark, K. M., Kjeldsen, T. H., Schorcht, S. & Tzanakis, C. (red.). Springer, s. 27-42 16 s. (ICME-13 Monographs).

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  14. Udgivet

    Creating inquiry-reflective learning environments in mathematics through history and original sources

    Kjeldsen, Tinne Hoff, 2018, Circulation: mathématiques, historie, enseignement. Auvinet, J., Moussard, G. & Saint Raymond, X. (red.). PULIM Presses universitaires de Limoges, s. 13-29 17 s. (Savoirs scientifiques & Pratiques d'enseignement).

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  15. Udgivet

    Integrating History and Epistemology of Mathematics in Mathematics Education

    Kjeldsen, Tinne Hoff, Clark, K., Schorcht, S. & Tzanakis, C., 2018, Mathematics, Education and History: Towards a Harmonius Partnership. Kjeldsen, T. H., Clark, K. M., Schorcht, S. & Tzanakis, C. (red.). Springer, s. 1-23 23 s. (ICME-13 Monographs).

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  16. Udgivet

    Interdisciplinary Problem Oriented Project Work - a Learning Environment for Mathematical Modelling

    Blomhøj, M. & Kjeldsen, Tinne Hoff, 2018, Evaluierte Lernumgebungen zum Modellieren : a Learning Environment for Mathematical Modelling. Blum, W. & Schukajlow, S. (red.). Wiesbaden: Springer, s. 11-29

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  17. 2017
  18. Udgivet

    Students' video tutorials as a means for supporting and analysing their reflections on the limit concept

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2017, Proceedings of the Tenth Congress of the European Society for Research in Mathematics Education (CERME10, February 1-5, 2017). Dublin, Ireland. Dooley, T. & Gueudet, G. (red.). Dublin, Irland: DCU Institute of Education and ERME, s. 3833-3840

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  19. Udgivet

    Topic Study Group 25: The role of history of mathematics in mathematics education

    Tzanakis, C., Wang, X., Clark, K., Kjeldsen, Tinne Hoff & Schorcht, S., 2017, Proceedings of the 13th International Congress on Mathematical Education: ICME-13. Kaiser, G. (red.). Springer, s. 491-495 (ICME-13 Monographs).

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskning

  20. 2016
  21. Udgivet

    Enacting Inquiry Learning in Mathematics through History

    Kjeldsen, Tinne Hoff, 2016, Proceedings of the 2016 ICME Satellite Meeting of the International Study Group on the Relations Between the History and Pedagogy of Mathematics. Radford, L., Furinghetti, F. & Hausberger, T. (red.). IREM de Montpellier, s. 453-464

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  22. Udgivet

    History of Mathematics in Mathematics Education: Recent devlopments

    Clark, K., Kjeldsen, Tinne Hoff, Schorcht, S., Tzanakis, C. & Wang, X., 2016, Proceedings of the 2016 ICME Satellite Meeting of the International Study Group on the Relations Between the History and Pedagogy of Mathematics. Radford, L., Furinghetti, F. & Hausberger, T. (red.). IREM de Montpellier, s. 135-179

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskning

  23. Udgivet

    Original Sources in the Mathematical Classroom

    Barnett, J. H. & Kjeldsen, Tinne Hoff, 2016, Proceedings of the 2016 ICME Satellite Meeting of the International Study Group on the Relations Between the History and Pedagogy of Mathematics. Radford, L., Furinghetti, F. & Hausberger, T. (red.). IREM de Montpellier, s. 205-207

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskning

  24. 2015
  25. A Critical Review of Key Concepts in PPL

    Andersen, A. S. & Kjeldsen, Tinne Hoff, 2015, The Roskilde Model. Andersen, A. S. & Heilesen, S. B. (red.). Springer VS, s. 17-36 20 s.

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  26. Case Analysis of some Critical Factors in Relation to Learning Outcomes of PPL: The Formation of Flint

    Kjeldsen, Tinne Hoff & Andersen, A. S., 2015, The Roskilde Model. Andersen, A. S. & Heilesen, S. B. (red.). Springer VS, s. 37-45 9 s.

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  27. Udgivet

    Mathematics as a tool-driven practice: the use of material and conceptual artefacts in mathematics

    Kjeldsen, Tinne Hoff & Johansen, Mikkel Willum, 2015, History and Epistemology in Mathematics Education Proceedings of the Seventh European Summer University ESU 7. Barbin, E., Jankvist, U. T. & Kjeldsen, T. H. (red.). Danish School of Education, s. 79-95

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  28. Udgivet

    Modelling: from theory to practice

    Jessen, Britta Eyrich, Kjeldsen, Tinne Hoff & Winsløw, Carl, 2015, Proceedings of the Ninth Congress of the European Society for Research in Mathematics Education. Krainer, K. & Vondrová, N. (red.). Prague, Czech Republic, s. 876-882 10 s.

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  29. The Decay of Alcohol and THC in the Human Body

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2015, Mathematical Lessons Learned from Across the World, Grades 7-12. Lott, J. W. & Lott, C. J. (red.). National Council of Teachers of Mathematics, s. 107-112 6 s.

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  30. Theoretical Foundation of PPL at Roskilde University

    Andersen, A. S. & Kjeldsen, Tinne Hoff, 2015, The Roskilde Model. Andersen, A. S. & Heilesen, S. B. (red.). Springer VS, s. 3-16 14 s.

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  31. 2014
  32. A Historical View of Nonlinear Programming: Traces and Emergence

    Kjeldsen, Tinne Hoff & Giorgi, G., 2014, Traces and Emergence of Nonlinear Programming. Giorgi, G. & Hoff Kjeldsen, T. (red.). Basel: Birkhäuser Verlag, s. 1-43

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  33. Taxicab Geometry

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2014, Mathematics Lessons Learned from Across the World: Prekindergarten - Grade 8. Lott, J. W. & Lott, C. J. (red.). Reston: National Council of Teachers of Mathematics, s. 91-99

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  34. The Role of History and Philosophy in University Mathematics Education

    Kjeldsen, Tinne Hoff & Carter, J. M. H. G., 2014, International Handbook of Research in History, Philosophy and Science Teaching. Matthews, M. R. (red.). Dordrecht: Springer Publishing Company, Bind II. s. 837-871

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  35. 2013
  36. Students’ mathematical learning in modelling activities

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2013, International Perspectives on the Teaching and Learning of Mathematical Modelling. Stillman, G., Kaiser, G., Blum, W. & Brown, J. (red.). New York: Springer Publishing Company, s. 141-151 11 s.

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  37. 2012
  38. History and the Learning of Mathematics: Detecting student's meta-discursive rules

    Kjeldsen, Tinne Hoff & Petersen, P. H., 2012, Proceedings of ICME 12: The 12th International Congress on Mathematical Education. 10 s.

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  39. Reflections on and benefits of uses of history in mathematics education exemplified by two types of student work in upper secondary school

    Kjeldsen, Tinne Hoff, 2012, Crossroads in the History of Mathematics and Mathematics Education. Sriraman, B. (red.). Information Age Publishing, Bind 12. s. 333-356 24 s.

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

  40. Uses of history for the laerning of and about mathematics: Towards a theoretical framework for integrating history of mathematics in mathematics education

    Kjeldsen, Tinne Hoff, 2012, Proceedings of the International Conference on History and Pedagogy of Mathematics. 22 s.

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  41. 2011
  42. Does History have a Significant Role to Play for the Learning of Mathematics? Multiple perspective approach to history, and the learning of meta level rules of mathematical discourse

    Kjeldsen, Tinne Hoff, 2011, History and Epistemology in Mathematics Education: Proceedings of the 6th European Summer University.. Barbin, E., Kronfellner, M. & Tzanakis, C. (red.). Wien: Verlag Holzhausen GmbH, s. 51-61 12 s.

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  43. History in a Competence Based Mathematics Education: a Means for the Learning of Differential Equations

    Kjeldsen, Tinne Hoff, 2011, Recent developments on introducing a historical dimension in mathematics education. Katz, V. & Tzanakis, C. (red.). Mathematical Association of America, s. 165-173

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskning

  44. Samspil mellem udvikling af praksis og matematikdidaktisk forskning – støtte til tilegnelse af integralbegrebet gennem modellering

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2011, Viden om lærere - lærerviden. Andresen, M. (red.). København: Navimat, s. 112-146

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskning

  45. Students’ Reflections in Mathematical Modelling Projects

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2011, Trends in Teaching and Learning of Mathematical Modelling. Kaiser, G., Blum, W., Borromeo Ferri, R. & Stillman, G. (red.). Springer, s. 385-396 12 s.

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  46. Uses of History in Mathematics Education: Development of Learning Strategies and Historical Awareness

    Kjeldsen, Tinne Hoff, 2011, CERME 7, Proceedings of the seventh Congress of the European Society for Research in Mathematics Education. Pytlak, M., Swoboda, E. & Rowland, T. (red.). s. 1700-1709

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  47. 2010
  48. History in mathematics education - why bother? Interdisciplinarity, mathematical competence and the learning of mathematics

    Kjeldsen, Tinne Hoff, 2010, Interdisciplinarity for the 21st Century: Proceedings of the 3rd International Symposium on Mathematics and its Connections to Arts and Sciences. Sriraman, B. & Freiman, V. (red.). Information Age Publishing, s. 17-48

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  49. History of convexity and mathematical programming: connections and relationships in two episodes of research in pure and applied mathematics of the 20th century

    Kjeldsen, Tinne Hoff, 2010, Proceedings of the International Congress of Mathematicians 2010 - Invited lectures. Bhatia, R. (red.). New Delhi: Hindustan Book Agency, Bind 4. s. 3233-3257

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  50. Learning mathematics through modelling - the case of the integral concept

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2010, The First Sourcebook on Nordic Research in Mathematics Education. Sriraman, B., Haapasalo, L., Søndergaard, B. D., Palsdottir, G. & Goodchild, S. (red.). Information Age Publishing, s. 569-582

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskning

  51. Mathematical modelling as goal in mathematics education - developing of modelling competency through project work

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2010, The First Sourcebook on Nordic Research in Mathematics Education. Sriraman, B., Haapasalo, L., Søndergaard, B. D., Palsdottir, G., Goodchild, S. & Bergsten, C. (red.). Information Age Publishing, s. 555-568 19 s.

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskning

  52. Using History as a Means for the Learning of Mathematics without Losing Sight of History: The Case of Differential Equations

    Kjeldsen, Tinne Hoff, 2010, CERME 6, Proceedings of the sixth Congress of the European Society for Research in Mathematics Education. Durand-Guerrier, V., Soury-Lavergne, S. & Arzarello, F. (red.). Institut National de Recherche Pedagogique, s. 2742-2751 10 s.

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  53. 2009
  54. Abstraction and application: new contexts, new interpretations in twentieth-century mathematics

    Kjeldsen, Tinne Hoff, 2009, The Oxford Handbook of the History of Mathematics. Robson, E. & Stedall, J. (red.). New York: Oxford University Press, s. 755-778 24 s.

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskning

  55. Analysing the functions of mathematical modelling in science as a basis for developing modelling competency in science education

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2009, ICTMA 14: Abstracts. s. 19 1 s.

    Publikation: Bidrag til bog/antologi/rapportKonferenceabstrakt i proceedingsForskning

  56. 2008
  57. Operations Research and Mathematical Programming: From War to Academia - A Joint Venture

    Kjeldsen, Tinne Hoff, 2008, History of Mathematics in Encyclopedia of Life Support Systems (EOLSS). Lundsgaard Hansen, V. & Gray, J. (red.). Oxford ,UK, [http://www.eolss.net]: Eolss Publishers, 20 s.

    Publikation: Bidrag til bog/antologi/rapportEncyclopædiartikelForskning

  58. 2007
  59. Learning the integral concept through mathematical modellling

    Kjeldsen, Tinne Hoff & Blomhøj, M., 2007, European Research in Mathematics: Proceedings of the Fifth Congress of the European Society for Research in Mathematics Education. Pitta-Pantazi, D. & Philippou, G. (red.). University of Cyprus, s. 2070-2079 10 s.

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  60. Meta aspects of science in problem based project work - experiences from Roskilde University

    Kjeldsen, Tinne Hoff, 2007, Proceeding for the Ninth International History, Philosophy & Science Teaching Conference. the International History, Philosophy, and Science Teaching Group, 7 s.

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

  61. Tucker, Albert William

    Kjeldsen, Tinne Hoff, 2007, New Dictionary of Scientific Biography. Koertge, N. (red.). Detroit: Charles Scribner’s Sons, Bind 7.

    Publikation: Bidrag til bog/antologi/rapportEncyclopædiartikelForskning

  62. 2006
  63. En ny-fortolkning af det moderne konveksitetsbegrebs opståen

    Kjeldsen, Tinne Hoff, 2006, Årsberetning, RUC, 2005.. Frederiksberg: Roskilde Universitetsforlag, s. 46-47 2 s.

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskning

  64. Mathematics in the Physical Sciences, 1650-2000:  Introduction

    Kjeldsen, Tinne Hoff, 2006, Oberwolfachreport. Zürich: European Mathematical Society Publishing House, Bind Volume 2, Issue 4. s. 3175-3246 71 s.

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskning

  65. The development of nonlinear programming in post war USA : origin, motivation, and expansion

    Kjeldsen, Tinne Hoff, 2006, The Way Through Science and Philosophy: Essays in Honour of Stig Andur Pedersen. Andersen, H. B., Christianssen, F. V., Jørgensen, K. F. & Hendricks, V. F. (red.). London: College Publications, s. 31-50

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskning

  66. 2004
  67. Introduction

    Kjeldsen, Tinne Hoff & Pedersen, S. A., 2004, New Trends in the History and Philosophy of Mathematics. Kjeldsen, T. H., Pedersen, S. A. & Sonne-Hansen, L. M. (red.). Odense: Syddansk Universitetsforlag, s. 11-28

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskning

  68. 2003
  69. New mathematical disciplines and research in the wake of World War II

    Kjeldsen, Tinne Hoff, 2003, Mathematics and war. Booss-Bavnbek, B. & Høyrup, J. (red.). Basel / Boston / Berlin: Birkhäuser Verlag, s. 126-152

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskning

  70. 2000
  71. The origin of nonlinear programming

    Kjeldsen, Tinne Hoff, 2000, Proceedings of the Canadian Society for History and Philosophy of mathematics: 25th annual meeting 1999. Tattersall, J. J. (red.). Toronto, Ontario: University of Toronto Press, s. 219-237

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskning

  72. 1999
  73. A History of the Minimax Theorem: a journey through different mathematical contexts

    Kjeldsen, Tinne Hoff, 1999, 9. Novembertagung zur Geschichte der Mathematik. Beckers, D., Peters, K. & Vollmers, C. (red.). s. 32-38

    Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskning

  74. 1997
  75. The historical background of nonlinear programming

    Kjeldsen, Tinne Hoff, 1997, Selected topics in mathematics: proceedings of the first Nordic summer school for female Ph.d. students of mathematics. Klisinska, A. & Persson, L-E. (red.). Luleå, Sweden: Luleå tekniska universitet, s. 63-67

    Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskning

ID: 40937860