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Dr. Viktor Blasjo

Universitair docent 
Bètawetenschappen
Wiskunde
Mathematisch Instituut
Fundamental Mathematics
Fundamental Mathematics
Hans Freudenthalgebouw
Budapestlaan 6
Kamer 706
3584 CD Utrecht

Dr. Viktor Blasjo

Universitair docent
Fundamental Mathematics
030 253 3697
v.n.e.blasjo@uu.nl
Profiel CV Publicaties Onderwijs Onderzoeksgroep Contact
Profiel CV Publicaties Onderwijs Onderzoeksgroep Contact

Publicaties

2025

Wetenschappelijke publicaties

Blasjo, V. (2025). Henk Bos in memoriam: with notes from his Nachlass. Nieuw archief voor wiskunde. Serie 5, 26(1), 17-25.
https://research-portal.uu.nl/ws/files/258921026/im-henkbos.pdf

2024

Wetenschappelijke publicaties

Blåsjö, V. (2024). Algebraic Versus Geometric Thought and Expression in the Early Calculus. In Handbook of the History and Philosophy of Mathematical Practice: Volume 1-4 (Vol. 1, pp. 323-339). Springer. https://doi.org/10.1007/978-3-031-40846-5_14
https://research-portal.uu.nl/ws/files/243978245/978-3-031-40846-5_14.pdf
Blåsjö, V. (2024). Historiography of Mathematics from the Mathematician’s Point of View. In Handbook of the History and Philosophy of Mathematical Practice: Volume 1-4 (Vol. 2, pp. 1127-1148). Springer. https://doi.org/10.1007/978-3-031-40846-5_67
https://research-portal.uu.nl/ws/files/243976535/978-3-031-40846-5_67.pdf

2023

Wetenschappelijke publicaties

Blasjo, V. (2023). Galileo’s Mathematical Errors. In M. Faini, & M. Sgarbi (Eds.), Errors, False Opinions and Defective Knowledge in Early Modern Europe (pp. 87-103). Firenze University Press. https://doi.org/10.36253/979-12-215-0266-4.07
https://dspace.library.uu.nl/bitstream/handle/1874/436447/38828.pdf?sequence=1
Blasjo, V. (2023). Newton on constructions in geometry. Historia Mathematica, 65, 14-29. https://doi.org/10.1016/j.hm.2023.09.002
https://dspace.library.uu.nl/bitstream/handle/1874/435004/1-s2.0-S0315086023000666-main.pdf?sequence=1
Blasjo, V. (2023). Why Historical Research Needs Mathematicians Now More Than Ever. In K. Chemla, J. Ferreirós, L. Ji, E. Scholz, & C. Wang (Eds.), The Richness of the History of Mathematics: A Tribute to Jeremy Gray (pp. 113–129). (Archimedes; Vol. 66). Springer. https://doi.org/10.1007/978-3-031-40855-7_4
https://dspace.library.uu.nl/bitstream/handle/1874/436403/Why_Historical_Research_Needs_Mathematicians_Now_More_Than_Ever.pdf?sequence=1

2022

Wetenschappelijke publicaties

Blasjo, V. (2022). Operationalism: An Interpretation of the Philosophy of Ancient Greek Geometry. Foundations of Science, 27(2), 587-708. https://doi.org/10.1007/s10699-021-09791-4
https://dspace.library.uu.nl/bitstream/handle/1874/420693/Bl_sj_2022_Article_OperationalismAnInterpretation.pdf?sequence=1

Populariserende publicaties

Blasjo, V. (2022). Lockdown mathematics: a historical perspective. In M. Pitici (Ed.), The Best Writing on Mathematics 2021 (pp. 1-8). Princeton University Press. https://doi.org/10.1515/9780691225722-002

2021

Wetenschappelijke publicaties

Blasjo, V. (2021). Galileo could have simulated his early data on the phases of Venus. Journal of Astronomical History and Heritage, 24(4), 993-1000.
https://dspace.library.uu.nl/bitstream/handle/1874/419904/Galileo_could_have_simulated_his_early_data_on_the_phases_of_Venus.pdf?sequence=1
Blasjo, V. (2021). Rigorous Purposes of Analysis in Greek Geometry. Philosophia Scientiae, 25(3), 55-80. https://doi.org/10.4000/philosophiascientiae.3109
https://dspace.library.uu.nl/bitstream/handle/1874/413360/philosophiascientiae_3109.pdf?sequence=1
Blasjo, V. (2021). Historiography of Mathematics from the Mathematician’s Point of View. In B. Sriraman (Ed.), Handbook of the History and Philosophy of Mathematical Practice (pp. 1-22). Springer. https://doi.org/10.1007/978-3-030-19071-2_67-1
https://dspace.library.uu.nl/bitstream/handle/1874/414996/HistoriographyOfMathematics.pdf?sequence=1
Blasjo, V. (2021). What history’s most overqualified calculus student tells us about liberal arts mathematics. In M. Bouquet, A. Meijer, & C. Sanders (Eds.), Writing the Liberal Arts and Sciences: Truth, Dialogue, and Historical Consciousness (pp. 119-124). Amsterdam University Press. https://doi.org/10.5117/9789463729369
https://dspace.library.uu.nl/bitstream/handle/1874/414993/UCU_LAS_chapter.pdf?sequence=1

2020

Wetenschappelijke publicaties

Blasjo, V. N. E. (2020). Algebraic Versus Geometric Thought and Expression in the Early Calculus. In B. Sriraman (Ed.), Handbook of the History and Philosophy of Mathematical Practice (pp. 1-18). Springer. https://doi.org/10.1007/978-3-030-19071-2_14-1
https://dspace.library.uu.nl/bitstream/handle/1874/414686/AlgebraicVersusGeometricThought.pdf?sequence=1

Populariserende publicaties

Blasjo, V. N. E., & van den Bogaart, D., (TRANS.) (2020). Wortels van de wiskunde 17: Lockdown wiskunde. Euclides, 96(2), 12-15.
Blasjo, V. N. E. (2020). Lockdown mathematics: a historical perspective. Nieuw archief voor wiskunde. Serie 5, 21(2), 95-98. http://www.nieuwarchief.nl/serie5/pdf/naw5-2020-21-2-095.pdf

2019

Wetenschappelijke publicaties

Blasjo, V. N. E. (2019). Attitudes toward intuition in calculus textbooks. In Dig where you stand 5: Proceedings of the fifth International Conference on the History of Mathematics Education (pp. 83-92). Freudenthal Institute.
https://dspace.library.uu.nl/bitstream/handle/1874/388304/intuitionincalculustextbooks.pdf?sequence=1

Populariserende publicaties

Andersen, K., & Blasjo, V. N. E., (TRANS.) (2019). Optical Illusions in Rome: A Mathematical Travel Guide. American Mathematical Society.

2018

Wetenschappelijke publicaties

Blasjo, V. N. E., & Hogendijk, J. P. (2018). On Translating Mathematics. Isis, 109(4), 774-781. https://doi.org/10.1086/701258
https://dspace.library.uu.nl/bitstream/handle/1874/374810/blasjo.pdf?sequence=1
Blasjo, V. N. E. (2018). A rebuttal of recent arguments for Maragha influence on Copernicus. Studia Historiae Scientiarum, 17, 479-497. https://doi.org/10.4467/2543702XSHS.18.017.9337
https://dspace.library.uu.nl/bitstream/handle/1874/374781/blasjo2.pdf?sequence=1
Bell, J., & Blasjo, V. N. E. (2018). Pietro Mengoli's 1650 Proof that the Harmonic Series Diverges. Mathematics Magazine, 91(5), 341-347. https://doi.org/10.1080/0025570X.2018.1506656
https://dspace.library.uu.nl/bitstream/handle/1874/407528/Pietro_Mengoli_s_1650_Proof_that_the_Harmonic_Series_Diverges.pdf?sequence=1
Blasjo, V. N. E. (2018). Mathematicians Versus Philosophers in Recent Work on Mathematical Beauty. Journal of humanistic mathematics, 8(1), 414-431. https://doi.org/10.5642/jhummath.201801.20
https://dspace.library.uu.nl/bitstream/handle/1874/372788/Mathematicians_Versus_Philosophers_on_Mathematical_Beauty.pdf?sequence=1

2017

Wetenschappelijke publicaties

Blasjo, V. N. E. (2017). Transcendental Curves in the Leibnizian Calculus. Elsevier.
Blasjo, V. N. E. (2017). Reply to Knobloch. Historia Mathematica, 44(4), 420-422. https://doi.org/10.1016/j.hm.2017.09.005
https://dspace.library.uu.nl/bitstream/handle/1874/356705/Knobloch.pdf?sequence=1
Blasjo, V. N. E. (2017). On what has been called Leibniz’s rigorous foundation of infinitesimal geometry by means of Riemannian sums. Historia Mathematica, 44(2), 134-149. https://doi.org/10.1016/j.hm.2017.03.007
https://dspace.library.uu.nl/bitstream/handle/1874/356704/sums.pdf?sequence=1

Populariserende publicaties

Blasjo, V. N. E. (2017). How to Find the Logarithm of Any Number Using Nothing But a Piece of String. In M. Pitici (Ed.), The Best Writing on Mathematics 2017 (pp. 99-105). Princeton University Press.
Blasjo, V. N. E. (2017). The myth of Leibniz’s proof of the fundamental theorem of calculus. In M. Pitici (Ed.), The Best Writing on Mathematics 2016 (pp. 249–260). Princeton University Press.
Blasjo, V. N. E. (2017). De kromme y = x tot de macht x. Pythagoras : Wiskundetijdschrift voor jongeren, 56(3), 22-26.

2016

Wetenschappelijke publicaties

Blasjo, V. N. E. (2016). The how and why of constructions in classical geometry. Nieuw archief voor wiskunde. Serie 5, 17(4), 283-291.
https://dspace.library.uu.nl/bitstream/handle/1874/347482/constructions.pdf?sequence=1
Blasjo, V. N. E. (2016). How to Find the Logarithm of Any Number Using Nothing But a Piece of String. The College Mathematics Journal, 15(1), 95-100. https://doi.org/10.4169/college.math.j.47.2.95
https://dspace.library.uu.nl/bitstream/handle/1874/339382/college.math.j.47.2.95.pdf?sequence=1
Blasjo, V. N. E. (2016). In Defence of Geometrical Algebra. Archive for History of Exact Sciences, 70(3), 325-359. https://doi.org/10.1007/s00407-015-0169-5
https://dspace.library.uu.nl/bitstream/handle/1874/339381/defence.pdf?sequence=1
Blasjo, V. N. E. (2016). Transcendental Curves in the Leibnizian Calculus. [Doctoral thesis 1 (Research UU / Graduation UU), Universiteit Utrecht]. Utrecht University.

2015

Wetenschappelijke publicaties

Blasjo, V. (2015). The myth of Leibniz’s proof of the fundamental theorem of calculus. Nieuw archief voor wiskunde. Serie 5, 16(1), 46-50.
https://dspace.library.uu.nl/bitstream/handle/1874/347732/myth.pdf?sequence=1

Populariserende publicaties

Blasjo, V. (2015). Why conic sections? Eureka, 47, 11-13.

2014

Wetenschappelijke publicaties

Blasjo, V. (2014). A Critique of the Arguments for Maragha Influence on Copernicus. Journal for the History of Astronomy, 45(2), 183–195. http://jha.sagepub.com/content/45/2/183
Blasjo, V. (2014). A critique of the modern consensus in the historiography of mathematics. Journal of humanistic mathematics, 4(2), 113–123. http://scholarship.claremont.edu/cgi/viewcontent.cgi?article=1199&context=jhm

2013

Wetenschappelijke publicaties

Blasjo, V. (2013). Hyperbolic space for tourists. Journal of humanistic mathematics, 3(2), 88-95. https://doi.org/10.5642/jhummath.201302.06
https://dspace.library.uu.nl/bitstream/handle/1874/290259/viewcontent.pdf?sequence=2

2012

Wetenschappelijke publicaties

Blasjo, V. (2012). A Definition of Mathematical Beauty and Its History. Journal of humanistic mathematics, 2(2), 93-108. https://doi.org/10.5642/jhummath.201202.08
https://dspace.library.uu.nl/bitstream/handle/1874/262530/viewcontent.cgi.pdf?sequence=2
Blasjo, V. (2012). The rectification of quadratures as a central foundational problem for the early Leibnizian calculus. Historia Mathematica, 39(4), 405-431. https://doi.org/10.1016/j.hm.2012.07.001

2009

Wetenschappelijke publicaties

Blasjo, V. (2009). Jakob Steiner’s Systematische Entwickelung: The Culmination of Classical Geometry. The mathematical intelligencer, 31(1), 21-29.

2005

Wetenschappelijke publicaties

Blasjo, V. (2005). The Isoperimetric Problem. The American mathematical monthly., 112(6), 526-566.
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