Universität zu Köln

Struve, Horst ORCID: 0000-0002-5282-332X and Struve, Rolf (2025). Johannes Hjelmslev – mathematician and mathematics educator. Historia Mathematica, 72. pp. 73-91. Elsevier. ISSN 0315-0860

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Abstract

Johannes Hjelmslev (1873 - 1950) was a renowned Danish mathematician and one of the most remarkable mathematicians of his time. A special feature is that he was active in two fields, mathematics (the foundations of geometry) and the didactics of mathematics (the didactics of geometry). He not only contributed original and fruitful ideas to both areas, but also had a significant impact on the concept of mathematics and school mathematics until the present day. While historical appraisals have already been published on individual topics of his research work - for example on his so-called geometry of reality (Lützen, 2021) - a summarizing presentation and appraisal of his work in both fields in a historical context is still lacking. This is the aim of this article, which, incidentally, is a response on the less appreciative assessment of Hjelmslev’s achievements and his geometry of reality by Lützen (2021).

Item Type:	Article
Creators:	Creators Email ORCID ORCID Put Code Struve, Horst UNSPECIFIED https://orcid.org/0000-0002-5282-332X UNSPECIFIED Struve, Rolf UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-806743
Identification Number:	10.1016/j.hm.2025.08.002
Journal or Publication Title:	Historia Mathematica
Volume:	72
Page Range:	pp. 73-91
Number of Pages:	19
Date:	September 2025
Publisher:	Elsevier
ISSN:	0315-0860
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Mathematics and Science Education > Institute of Mathematics Education
Subjects:	Education Mathematics
Uncontrolled Keywords:	Keywords Language Johannes Hjelmslev ; History of geometry ; History of math education English
['eprint_fieldname_oa_funders' not defined]:	Publikationsfonds UzK
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/80674