Tinne Hoff Kjeldsen
Professor, Deputy Head of Department, Professor
Department of Mathematical Sciences
Universitetsparken 5, 2100 København Ø
Member of:
Didactics of Mathematics
- 2024
- Accepted/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, (Accepted/In press) Preliminary title: Duality, an archetype of mathematical thinking. Krömer, R., Haffner, E. & Volkert, K. (eds.). Birkhäuser Verlag, 27 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2023
- Published
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. (eds.). Springer, p. 3-26 24 p. (Archimedes, Vol. 66).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
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. (eds.). Cham: Springer, p. 99-118 20 p. (Mathematics Education in the Digital Era MEDE, Vol. 20).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2022
- Published
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. (eds.). Cham: Springer, p. 45-68 24 p. (Mathematics Education in the Digital Era MEDE, Vol. 19).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2020
- Published
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. (eds.). Springer, p. 249-277 (Women in the history of philosophy and sciences; No. 6).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2019
- Published
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. (ed.). Springer, p. 143-167 25 p. (International Studies in the History of Mathematics and its Teaching).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2018
- Published
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. (eds.). Springer, p. 27-42 16 p. (ICME-13 Monographs).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
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. (eds.). PULIM Presses universitaires de Limoges, p. 13-29 17 p. (Savoirs scientifiques & Pratiques d'enseignement).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
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. (eds.). Springer, p. 1-23 23 p. (ICME-13 Monographs).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
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. (eds.). Wiesbaden: Springer, p. 11-29Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2017
- Published
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. (eds.). Dublin, Irland: DCU Institute of Education and ERME, p. 3833-3840Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
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. (ed.). Springer, p. 491-495 (ICME-13 Monographs).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- 2016
- Published
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. (eds.). IREM de Montpellier, p. 453-464Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
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. (eds.). IREM de Montpellier, p. 135-179Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- Published
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. (eds.). IREM de Montpellier, p. 205-207Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- 2015
A Critical Review of Key Concepts in PPL
Andersen, A. S. & Kjeldsen, Tinne Hoff, 2015, The Roskilde Model. Andersen, A. S. & Heilesen, S. B. (eds.). Springer VS, p. 17-36 20 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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. (eds.). Springer VS, p. 37-45 9 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
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. (eds.). Danish School of Education, p. 79-95Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
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. (eds.). Prague, Czech Republic, p. 876-882 10 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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. (eds.). National Council of Teachers of Mathematics, p. 107-112 6 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
Theoretical Foundation of PPL at Roskilde University
Andersen, A. S. & Kjeldsen, Tinne Hoff, 2015, The Roskilde Model. Andersen, A. S. & Heilesen, S. B. (eds.). Springer VS, p. 3-16 14 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2014
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. (eds.). Basel: Birkhäuser Verlag, p. 1-43Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
Taxicab Geometry
Kjeldsen, Tinne Hoff & Blomhøj, M., 2014, Mathematics Lessons Learned from Across the World: Prekindergarten - Grade 8. Lott, J. W. & Lott, C. J. (eds.). Reston: National Council of Teachers of Mathematics, p. 91-99Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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. (ed.). Dordrecht: Springer Publishing Company, Vol. II. p. 837-871Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2013
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. (eds.). New York: Springer Publishing Company, p. 141-151 11 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2012
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 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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. (ed.). Information Age Publishing, Vol. 12. p. 333-356 24 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2011
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. (eds.). Wien: Verlag Holzhausen GmbH, p. 51-61 12 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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. (eds.). Mathematical Association of America, p. 165-173Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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. (ed.). København: Navimat, p. 112-146Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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. (eds.). Springer, p. 385-396 12 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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. (eds.). p. 1700-1709Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2010
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. (eds.). Information Age Publishing, p. 17-48Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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. (ed.). New Delhi: Hindustan Book Agency, Vol. 4. p. 3233-3257Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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. (eds.). Information Age Publishing, p. 569-582Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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. (eds.). Information Age Publishing, p. 555-568 19 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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. (eds.). Institut National de Recherche Pedagogique, p. 2742-2751 10 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2009
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. (eds.). New York: Oxford University Press, p. 755-778 24 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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. p. 19 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- 2008
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. (eds.). Oxford ,UK, [http://www.eolss.net]: Eolss Publishers, 20 p.Research output: Chapter in Book/Report/Conference proceeding › Encyclopedia chapter › Research
- 2007
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. (eds.). University of Cyprus, p. 2070-2079 10 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Tucker, Albert William
Kjeldsen, Tinne Hoff, 2007, New Dictionary of Scientific Biography. Koertge, N. (ed.). Detroit: Charles Scribner’s Sons, Vol. 7.Research output: Chapter in Book/Report/Conference proceeding › Encyclopedia chapter › Research
- 2006
En ny-fortolkning af det moderne konveksitetsbegrebs opståen
Kjeldsen, Tinne Hoff, 2006, Årsberetning, RUC, 2005.. Frederiksberg: Roskilde Universitetsforlag, p. 46-47 2 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
Mathematics in the Physical Sciences, 1650-2000: Introduction
Kjeldsen, Tinne Hoff, 2006, Oberwolfachreport. Zürich: European Mathematical Society Publishing House, Vol. Volume 2, Issue 4. p. 3175-3246 71 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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. (eds.). London: College Publications, p. 31-50Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 2004
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. (eds.). Odense: Syddansk Universitetsforlag, p. 11-28Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 2003
New mathematical disciplines and research in the wake of World War II
Kjeldsen, Tinne Hoff, 2003, Mathematics and war. Booss-Bavnbek, B. & Høyrup, J. (eds.). Basel / Boston / Berlin: Birkhäuser Verlag, p. 126-152Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 2000
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. (ed.). Toronto, Ontario: University of Toronto Press, p. 219-237Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1999
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. (eds.). p. 32-38Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- 1997
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. (eds.). Luleå, Sweden: Luleå tekniska universitet, p. 63-67Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
ID: 40937860
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History of Mathematics in Mathematics Education: Recent devlopments
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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Teaching With and About the Nature of Mathematics through History of Mathematics: Enacting Inquiry Learning in Mathematics
Research output: Contribution to journal › Journal article › Research › peer-review
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Original Sources in the Mathematical Classroom
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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