يانوش بولياي

"بولياي" redirects here. For الفوهة القمرية, see بولياي (فوهة).
الصيغة المحلية لهذا الاسم الشخصي هي Bolyai János. هذا المقال يستخدم ترتيب الاسم الغربي حين يذكر أفراداً.
János Bolyai
Bolyai János (Márkos Ferenc festménye).jpg
پورتريه ي. بولياي بريشة Ferenc Márkos (2012)[1]
وُلِدَ(1802-12-15)15 ديسمبر 1802
Kolozsvár, ترانسلڤانيا (now Cluj-Napoca, رومانيا)
توفي27 يناير 1860(1860-01-27) (aged 57)
Marosvásárhely, الإمبراطورية النمساوية (الآن Târgu Mureș، رومانيا)
الجنسيةHungarian
التعليمTherMilAk (diploma, 1822)
اللقبNon-Euclidean geometry
السيرة العلمية
المجالاتالرياضيات
المشرفون الأكاديميونFarkas Bolyai
János Bolyai; artwork by Attila Zsigmond[1]
Memorial plaque of János Bolyai in Olomouc, Czech Republic

János Bolyai (مجرية: [ˈjaːnoʃ ˈboːjɒi]; 15 December 1802 – 27 January 1860) or Johann Bolyai,[2] was a Hungarian mathematician who developed absolute geometry—a geometry that includes both Euclidean geometry and hyperbolic geometry. The discovery of a consistent alternative geometry that might correspond to the structure of the universe helped to free mathematicians to study abstract concepts irrespective of any possible connection with the physical world.[3]

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Early life

The house in Cluj-Napoca where János Bolyai was born

Bolyai was born in the town of Kolozsvár, Grand Principality of Transylvania (now Cluj-Napoca in Romania), the son of Zsuzsanna Benkő and the well-known mathematician Farkas Bolyai.

By the age of 13, he had mastered calculus and other forms of analytical mechanics, receiving instruction from his father. He studied at the Imperial and Royal Military Academy (TherMilAk) in Vienna from 1818 to 1822, and Bolyai received his commission as sub-lieutenant. At the age of 21, he was already a lieutenant, at the age of 22, a first lieutenant and at the age of 24, a captain.[4]


السيرة

Bolyai became so obsessed with Euclid's parallel postulate that his father, who had pursued the same subject for many years, wrote to him in 1820: "You must not attempt this approach to parallels. I know this way to the very end. I have traversed this bottomless night, which extinguished all light and joy in my life. I entreat you, leave the science of parallels alone...Learn from my example."[5]

János, however, persisted in his quest and eventually came to the conclusion that the postulate is independent of the other axioms of geometry and that different consistent geometries can be constructed on its negation. In 1823, he wrote to his father: "I have discovered such wonderful things that I was amazed...out of nothing I have created a strange new universe."[5][6] Between 1820 and 1823 he had prepared a treatise on parallel lines that he called absolute geometry. Bolyai's work was published in 1832 as an appendix to a mathematics textbook by his father.

Carl Friedrich Gauss, on reading the Appendix, wrote in a letter "I regard this young geometer Bolyai as a genius of the first order."[7] To his old friend Farkas Bolyai, however, Gauss wrote: "To praise it would amount to praising myself. For the entire content of the work...coincides almost exactly with my own meditations which have occupied my mind for the past thirty or thirty-five years."[8][5][7][6] Indeed, Gauss had disclosed his discovery of a consistent non-Euclidean geometry in a letter in 1827, and in 1829 wrote that he feared backlash if he published about it.[9] János suspected that Gauss had been secretly informed about his discoveries by his father, causing a rift between him and his father.[10] He later bitterly complained about Gauss's attitude.[11]

In 1848 Bolyai learned that Nikolai Ivanovich Lobachevsky had published a piece of work similar to his appendix in 1829. Though Lobachevsky published his work a few years earlier than Bolyai, it contained only hyperbolic geometry. Working independently, Bolyai and Lobachevsky pioneered the investigation of non-Euclidean geometry.

In addition to his work in geometry, Bolyai developed a rigorous geometric concept of complex numbers as ordered pairs of real numbers. Although he never published more than the 24 pages of the Appendix, he left more than 20,000 pages of mathematical manuscripts when he died. These can now be found in the Teleki-Bolyai Library in Târgu Mureș, where Bolyai died. His grave lies in the Lutheran Cemetery in Târgu Mureș.[12]

الحياة الشخصية

He was an accomplished linguist speaking several foreign languages: German, Latin, French, Italian, Romanian.[13] He learned the violin and performed in Vienna.

It is related of him that he was challenged by thirteen officers of his garrison, a thing not unlikely to happen considering how differently he thought from everyone else. He fought them all in succession—making it his only condition that he should be allowed to play on his violin for an interval between meeting each opponent. He disarmed or wounded all his antagonists. It can be easily imagined that a temperament such as his was not one congenial to his military superiors. He was retired in 1833.[14]

No original portrait of Bolyai survives. An unauthentic picture appears in some encyclopedias and on a Hungarian postage stamp.[1]

الذكرى

The Babeș-Bolyai University in Cluj-Napoca, that was established in 1959, bears his name, as does the professional society of Hungarian mathematicians, the János Bolyai Mathematical Institute, at the University of Szeged. There is also a mathematical award given out every five years, named the Bolyai Prize. Bolyai is a minor character in the 1969 science-fiction/fantasy story "Operation Changeling", where his unique abilities allow the protagonists to navigate the non-Euclidean geometry of Hell.[بحاجة لمصدر]

The crater Bolyai on the Moon[15] and 1441 Bolyai, a minor planet discovered in 1937, are also named after him.

Several primary and secondary schools in the Carpathian Basin also bear Bolyai's name; for instance, Bolyai János Műszaki Szakközépiskola in Budapest, Bolyai János Gyakorló Általános Iskola és Gimnázium in Szombathely, and the Bolyai János Általános Iskola in Debrecen.[بحاجة لمصدر] Streets in Budapest, Cluj-Napoca,[16] and Timișoara[17] are named after Bolyai.

أعماله

  • نسخة سنة 1896 من كتاب بولياي "The science absolute of space, independent of the truth or falsity of Euclid's axiom XI (which can never be decided a priori)"

    نسخة سنة 1896 من كتاب بولياي "The science absolute of space, independent of the truth or falsity of Euclid's axiom XI (which can never be decided a priori)"

  • ملحق "The science absolute of space"

    ملحق "The science absolute of space"

  • الصفحة الأولى من "The science absolute of space"

    الصفحة الأولى من "The science absolute of space"

المعرض

المراجع

  1. ^ أ ب ت Dénes, Tamás (January 2011). "Real Face of János Bolyai" (PDF). Notices of the American Mathematical Society. 58 (1): 41–51. Retrieved 18 June 2011.
  2. ^ Tucker McElroy. A to Z of Mathematicians
  3. ^ Encyclopædia Britannica: János Bolyai
  4. ^ "About Bolyai". Miskolci Egyetem Bolyai Kollégium. Retrieved 22 October 2023.
  5. ^ أ ب ت Ellenberg, Jordan (May 2014). How Not to Be Wrong. New York, NY: Penguin Group. p. 365. ISBN 978-0-14-312-753-6.
  6. ^ أ ب Tóth, László Fejes (1965). "1.3.4. Anmerkungen". Reguläre Figuren (in الألمانية) (1 ed.). de (B. G. Teubner Verlagsgesellschaft), Leipzig, East-Germany / Akadémiai Kiadó, Budapest, Hungary. pp. 97–98. ES-No. 19 83. Kenn-No. 375. Lizenz-No. 294. (2+316+6 pages, 12 anaglyph cards, 1 red-green glasses)
  7. ^ أ ب O'Connor, John J.; Robertson, Edmund F., "يانوش بولياي", MacTutor History of Mathematics archive 
  8. ^ Letter from Gauss to Farkas Bolyai from 6 March 1832
  9. ^ Greenberg 2008, p. 243-244
  10. ^ Osserman, Robert (2005). "Book Review: Non-Euclidean Geometry, and the Nature of Space" (PDF). Notices of the AMS. 52 (9).
  11. ^ Greenberg 2008, p. 242
  12. ^ O'Connor, John J.; Robertson, Edmund F., "Janos Bolyai's birth house and original grave", MacTutor History of Mathematics archive, University of St Andrews .
  13. ^ Elemér, Kiss, "Matematikai kincsek Bolyai János kéziratos hagyatékából"
  14. ^ Hinton, Charles Howard (1912) [1904]. The Fourth Dimension. London: G. Allen & Unwin Ltd. p. 46. Sources cited, p. 41. Entire chapter V, "The Second Chapter in the History of Four Space", pp. 41–60, provides accessible, illustrated introduction to his life and work.
  15. ^ NASA website Archived 23 أكتوبر 2005 at the Wayback Machine
  16. ^ "Strada Bolyai Janos". www.clujeni.com (in الرومانية). Retrieved January 4, 2022.
  17. ^ "Strada Bolyai János, Timișoara". www.harti-orase.ro (in الرومانية). Retrieved January 4, 2022.

المصادر

  • Martin Gardner (2001) Non-Euclidean Geometry, Chapter 4 of The Colossal Book of Mathematics, W. W. Norton & Company ISBN 0-393-02023-1
  • Jeremy Gray (2004) Janos Bolyai, Non-Euclidean Geometry, and the Nature of Space, MIT Press ISBN 0262571749
  • Marvin Greenberg (2008) Euclidean and Non-Euclidean Geometries: Development and History, 4th edition, W. H. Freeman
  • Elemér Kiss (1999) Mathematical Gems from the Bolyai Chests. János Bolyai's discoveries in number theory and algebra as recently deciphered from his manuscripts. Translated by Anikó Csirmaz and Gábor Oláh. Akadémiai Kiadó, Budapest; TypoTeX, Budapest, ISBN 963-05-7563-9;
  • Tibor Weszely (2013) János Bolyai. Die ersten 200 Jahre, Birkhäuser, (translated from Hungarian by Manfred Stern), ISBN 978-3-0346-0046-0
  • Ana Todea, Maria Fűllop, Monica Avram (2004) Oameni de știință mureșeni - Dicționar biobibliografic, CJ Mureș Biblioteca Județeană Mureș, tipografia Mediaprint SRL (in رومانية)
  • Silva Oliva (2018) Janos Bolyai. Uno sguardo psicoanalitico su genio matematico e follia, ed Mimesis.

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