Tinne Hoff Kjeldsen

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Primary fields of research

My main resarch areas are history of modern pure and applied mathematics and mathematics education at secondary and university level, with focus on history and philosophy of mathematics and mathematical modelling. 

I study the history of mathematics from perspectives of past mathematicians, their projects and motivations, situated in certain contexts, at specific places, at certain times, and under particular historical circumstances in order to understand and explain historical processes in the development of mathematics. The mathematical areas include the moment problem, linear inequality theory, the modern theory of convexity, mathematical biology and modelling, game theory, and linear- and nonlinear programming in Operations Research.

In mathematics education and didactics of mathematics my research focuses on the roles of mathematical modelling and of history and philosophy of mathematics in mathematics education. I have researched the role of history and the use of primary sources for inquiry based teaching and learning in mathematics, how to develop students' mathematical modelling competency, how to use  modelling for supporting students' concept formation, and problem oriented teaching and learning in mathematics and science.

Selected publications

1. 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

2. 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

3. Published

   An early Debate in Mathematical Biology and Its Value for Teaching: Rashevsky's 1934 Paper on Cell Division

   Kjeldsen, Tinne Hoff, 2017, In: The Mathematical Intelligencer. 39, 2, p. 36-45

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

4. 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. 837-871

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

5. Traces and Emergence of Nonlinear Programming

   Kjeldsen, Tinne Hoff (ed.) & Giorgi, G. (ed.), 2014, Basel: Birkhäuser Verlag.

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

6. Bridging History of the Concept of a Function with Learning of Mathematics: Students’ meta-discursive rules, concept formation and historical awareness

   Kjeldsen, Tinne Hoff & Petersen, P. H., 2014, In: Science & Education. 23, 1, p. 29-45

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

7. Beyond Motivation - History as a method for the learning of meta-discursive rules in mathematics

   Kjeldsen, Tinne Hoff & Blomhøj, M., 2012, In: Educational Studies in Mathematics. 80, 3, p. 327-349 19 p.

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

8. The growth of mathematical knowledge - introduction of convex bodies

   Kjeldsen, Tinne Hoff & Carter, J., 2012, In: Studies in History and Philosophy of Science Part A. 43, 2, p. 359-365

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

9. Egg-forms and Measure Bodies: Different Mathematical Practices in the Early History of the Development of the Modern Theory of Convexity

   Kjeldsen, Tinne Hoff, 2009, In: Science in Context. 22, 1, p. 85-113 24 p.

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

10. From measuring tool to geometrical object: Minkowski's development of the concept of convex bodies

    Kjeldsen, Tinne Hoff, 2008, In: Archive for History of Exact Sciences. 62, 1, p. 59-89 31 p.

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

11. 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. 126-152

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

12. Different motivations and goals in the historical development of the theory of systems of linear inequalities

    Kjeldsen, Tinne Hoff, 2002, In: Archive for History of Exact Sciences. 56, p. 469-438

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

13. John von Neumann's conception of the minimax theorem: a journey through different mathematical contexts

    Kjeldsen, Tinne Hoff, 2001, In: Archive for History of Exact Sciences. 56, p. 39-68

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

14. A contextualized historical analysis of the Kuhn-Tucker theorem in nonlinear programming: the impact of World War II

    Kjeldsen, Tinne Hoff, 2000, In: Historia Mathematica. 27, p. 331-361

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