Tinne Hoff Kjeldsen
Professor, Deputy Head of Department, Professor
Department of Mathematical Sciences
Universitetsparken 5, 2100 København Ø
Member of:
Didactics of Mathematics
Geometriens Historie
Kjeldsen, Tinne Hoff, 1989, Teori og Redskab 2: Geometri og specielle funktioner. Jensen, S. & Sørensen, K. (eds.). København: Christian Ejlers, Vol. 2. p. 9-25Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education
Funktionsbegrebets udvikling
Kjeldsen, Tinne Hoff, 1988, Teori og Redskab 2: Tal og funktioner. Jensen, S. & Sørensen, K. (eds.). København: Christian Ejlers, p. 179-184Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education
From ‚mixed’ to ‚applied’ mathematics: Tracing an important dimension of mathematics and its history
Kjeldsen, Tinne Hoff, Epple, M. & Siegmund-Schultze, R., 2013, In: Oberwolfach Reports. 10, 1, p. 657–733Research output: Contribution to journal › Conference article › Research
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
- 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
- Published
Findes der skønhed i leksikografi?
Kjeldsen, Tinne Hoff, Pálfi, L. & Wolgast, K., 2018, In: Fund og Forskning i Det Kongelige Biblioteks Samlinger. 57, p. 221-239 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
Fenchels konjugerede konvekse funktioner og deres anvendelse i konveks programmering: Fenchels dualitetssætning
Kjeldsen, Tinne Hoff, 2003, In: Matilde. 15, p. 14-17Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Episodes of interferences of War and Mathematics in the Life and Work of Werner Fenchel
Kjeldsen, Tinne Hoff, 2020, In: Amazônia. 16, 35, p. 15-27Research output: Contribution to journal › Journal article › Research › peer-review
- 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
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
En kontekstualiseret matematikhistorisk analyse af ikke-lineær programmering: udviklingshistorie og multipel opdagelse
Kjeldsen, Tinne Hoff, 1999, Roskilde Universitet.Research output: Book/Report › Ph.D. thesis › Research
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
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
Differentialregningens Historie
Kjeldsen, Tinne Hoff, 1989, Teori og Redskab 3: Differentialregning. Jensen, S. & Sørensen, K. (eds.). København: Christian Ejlers, Vol. 3. p. 131-162 31 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education
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. 469-438Research output: Contribution to journal › Journal article › Research › peer-review
Development and research in students' modelling projects for the teaching and learning of mathematics and modelling
Kjeldsen, Tinne Hoff & Blomhøj, M., 2013, In: Proceedings of the Fifth Conference on Research in Mathematics Education. 5, p. 1-19 1.Research output: Contribution to journal › Conference article › Research › peer-review
- 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
Developing Students’ Reflections on the Function and Status of Mathematical Modeling in Different Scientific Practices: History as a Provider of Cases
Kjeldsen, Tinne Hoff & Blomhøj, M., 2013, In: Science & Education. 22, 9, p. 2157-2171Research output: Contribution to journal › Journal article › 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
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
Brug af didaktisk teori i læreres udvikling af modelleringsprojekter i matematik
Blomhøj, M. & Kjeldsen, Tinne Hoff, 2014, In: MONA - Matematik- og Naturfagsdidaktik. 2014, 2Research output: Contribution to journal › Journal article › Research › peer-review
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. 29-45Research output: Contribution to journal › Journal article › Research › peer-review
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
- Published
Being a Female Mathematician in the 20th century seen through the eyes of four Danes
Fajstrup, L., Kjeldsen, Tinne Hoff & Gjerløff, Anne Katrine, 2017, In: Oberwolfach Reports. 2017, 2, p. 99-102 4 p.Research output: Contribution to journal › Conference article › Research
Base note 2
Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2002, Roskilde: Roskilde Universitet. 161 p.Research output: Book/Report › Book › Education
Base note 1
Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2002, Roskilde: Roskilde Universitet. 163 p.Research output: Book/Report › Book › Education
BASE - note 1 og note 2: undervisningsmateriale til Natbas
Blomhoej, M., Ottesen, J. T. & Kjeldsen, Tinne Hoff, 2001, Roskilde: Roskilde Universitet.Research output: Book/Report › Compendium/lecture notes › Education
BASE - note 1 og note 2
Kjeldsen, Tinne Hoff, 2000, Roskilde: Roskilde Universitet.Research output: Book/Report › Compendium/lecture notes › Education
BASE - et kursus i matematisk modellering på den naturvidenskabelige basisuddannelse ved RUC
Kjeldsen, Tinne Hoff & Blomhøj, M., 2008, In: Matilde. 34, p. 35-39Research output: Contribution to journal › Journal article › Communication
BASE - et grundkursus i matematisk modellering. Problemstillinger til miniprojekter
Kjeldsen, Tinne Hoff, Morten, M. & Ottesen, J. T., 2006, Roskilde: Roskilde Universitet.Research output: Book/Report › Compendium/lecture notes › Education
BASE - et grundkursus i matematisk modellering. 2. Del
Kjeldsen, Tinne Hoff, Blomhøj, M. & Ottesen, J. T., 2004, Roskilde: Roskilde Universitet. 154 p.Research output: Book/Report › Compendium/lecture notes › Education
BASE - et grundkursus i matematisk modellering. 1. del og 2. del.
Kjeldsen, Tinne Hoff, Blomhøj, M. & Ottesen, J. T., 2006, Roskilde Universitetscenter: Roskilde Universitet.Research output: Book/Report › Compendium/lecture notes › Education
BASE - et grundkursus i matematisk modellering. 1. Del
Kjeldsen, Tinne Hoff, Blomhøj, M. & Ottesen, J. T., 2004, Roskilde: Roskilde Universitet. 230 p.Research output: Book/Report › Compendium/lecture notes › Education
BASE - et grundkursus i matematisk modellering II
Kjeldsen, Tinne Hoff, Ottesen, J. T. & Blomhøj, M., 2005, Roskilde: Roskilde Universitet.Research output: Book/Report › Book › Education
BASE - et grundkursus i matematisk modellering I
Kjeldsen, Tinne Hoff, Ottesen, J. T. & Blomhøj, M., 2005, Roskilde: Roskilde Universitet.Research output: Book/Report › Book › Education
BASE - et grundkursus i matematisk modellering: Problemstillinger til miniprojekter
Kjeldsen, Tinne Hoff, Blomhøj, M. & Ottesen, J. T., 2004, Roskilde: Roskilde Universitet. 92 p.Research output: Book/Report › Compendium/lecture notes › Education
BASE - et grundkursus i matematisk modellering: Problemstillinger til miniprojekter
Kjeldsen, Tinne Hoff, Ottesen, J. T. & Blomhøj, M., 2005, Roskilde: Roskilde Universitet.Research output: Book/Report › Book › Education
BASE: et grundkursus i matematisk modellering. 1. del
Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2003, Roskilde: Roskilde Universitet. 181 p.Research output: Book/Report › Book › Education
BASE: et grundkursus i matematisk modellering. problemstillinger til miniprojekter
Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2003, Roskilde: Roskilde Universitet. 181 p.Research output: Book/Report › Book › Education
BASE: et grundkursus i matematisk modellering. 2. del
Blomhøj, M., Kjeldsen, Tinne Hoff & Ottesen, J. T., 2003, Roskilde: Roskilde Universitet. 150 p.Research output: Book/Report › Book › Education
Asking and Answering Questions in and about the History of Mathematics: Part I: Historiography of Mathematics. Kompendium
Kjeldsen, Tinne Hoff (ed.) & Sørensen, H. K. (ed.), 2012, Aarhus Universitet. 121 p.Research output: Book/Report › Compendium/lecture notes › Education
Asking and Answering Questions in and about the History of Mathematics: Part II: Mini course on History of Analysis. Kompendium
Kjeldsen, Tinne Hoff (ed.) & Sørensen, H. K. (ed.), 2012, Aarhus Universitet. 238 p.Research output: Book/Report › Compendium/lecture notes › Education
Asking and Answering Questions in and about the History of Mathematics: Part III: Mini course on History of Algebra. Kompendium
Kjeldsen, Tinne Hoff (ed.) & Sørensen, H. K. (ed.), 2012, Aarhus Universitet.Research output: Book/Report › Compendium/lecture notes › Education
Anmeldelse af Matematiske Horisonter
Kjeldsen, Tinne Hoff, 2010, In: MONA: Matematik og Naturfagsdidaktik. 2, p. 92-98 7 p.Research output: Contribution to journal › Literature review › Communication
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
- 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. 36-45Research output: Contribution to journal › Journal article › Research › peer-review
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
A history of the minimax theorem: von Neumann's conception of the minimax theorem. a journey through different mathematical contexts
Kjeldsen, Tinne Hoff, 2000, Roskilde Universitet. 44 p.Research output: Book/Report › Report › Research
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. 331-361Research output: Contribution to journal › Journal article › Research › peer-review
- 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
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History of Mathematics in Mathematics Education: Recent devlopments
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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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