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Title: Pythagorejské průměry, kontraharmonický průměr a zlatý řez v pravoúhlém trojúhelníku (Czech)
Author: Spíchal, Luděk
Language: Czech
Journal: Rozhledy matematicko-fyzikální
ISSN: 0035-9343 (print)
Volume: 99
Issue: 3
Year: 2024
Pages: 1-12
Summary lang: Czech
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Category: math
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Date available: 2024-10-16T15:47:48Z
Last updated: 2024-10-16
Stable URL: http://hdl.handle.net/10338.dmlcz/152601
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Reference: [1] Bellos, A.: Alexova dobrodružství v zemi čísel.Dokořán, Praha, 2015.
Reference: [2] Domenico, Di A.: The golden ratio–the right triangle–and the arithmetic, geometric, and harmonic means.The Mathematical Gazette, 89 (2005), 515, 261–261. 10.1017/S0025557200177769
Reference: [3] Gielis, J.: The Geometrical Beauty of Plants.Atlantis Press, Paris, 2017. MR 3644202
Reference: [4] Høibakk, R., Lukkassen, D., Meidell, A., Persson, L. E.: Geometric construction of some Lehmer means.Mathematics, 6 (2018), 11, 251, https://doi.org/10.3390/math6110251. 10.3390/math6110251
Reference: [5] Lokesha, V., Padmanabhan, S., Nagaraja, K. M., Simsek, Y.: Relation between Greek means and various means.General Mathematics, 17 (2009), 3, 3–13. MR 2656751
Reference: [6] Scimone, A.: Some nice relations between right-angled triangles and the Golden Section.Teaching Mathematics and Its Applications, 30 (2011), 85–94. 10.1093/teamat/hrr002
Reference: [7] Spíchal, L.: The geometric constructions of the Greek means.Symmetry: Culture and Science, 34 (2023), 4, 407–416. 10.26830/symmetry_2023_4_407
Reference: [8] de Spinadel, V. W.: From the golden mean to chaos.Nueva Librería, Buenos Aires, 1998.
Reference: [9] de Spinadel, V. W., Paz, J. M.: A new family of irrational numbers with curious properties.Humanistic Mathematics Network Journal, 19 (1999), 33–37. 10.5642/hmnj.199901.19.14
Reference: [10] Sugimoto, T.: Inducing the Symmetries Out of the Complexity: The Kepler Triangle and Its Kin as a Model Problem.In: Darvas, G. (eds): Complex Symmetries. Birkhäuser, Cham, 2021. MR 4381427
Reference: [11] Wikipedia: Kepler triangle.Wikipedia, https://en.wikipedia.org/wiki/Kepler_triangle. [cit. 2024-06-11].
Reference: [12] Wikipedia: Contraharmonic mean.Wikipedia, https://en.wikipedia.org/wiki/Contraharmonic_mean. [cit. 2024-06-05].
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