Editing Jayadeva (mathematician)

{{Short description|11th-century Indian mathematician}}
{{Use dmy dates|date=July 2019}}
'''Jayadeva''' (c. 1000 CE) was an Indian [[mathematician]], who further developed the cyclic method ([[Chakravala method]])<ref name="SG">{{cite book |title=Toward a Global Science: Mining Civilizational Knowledge |last=Goonatilake |first=Susantha |year=1998 |publisher=Indiana University Press |location=Indiana |isbn=0-253-33388-1 |pages=[https://archive.org/details/towardglobalscie0000goon/page/127 127, 128] |url=https://archive.org/details/towardglobalscie0000goon/page/127 }}</ref> that was called by [[Hermann Hankel]] "the finest thing achieved in the theory of numbers before [[Joseph Louis Lagrange|Lagrange]] (18th century)".<ref>{{cite book |editor=Helaine Selin |title=Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures |volume=1 |year=2008 |publisher=Springer |url=https://books.google.com/books?id=kt9DIY1g9HYC&pg=RA1-PA200 |page=200 }}</ref> He also made significant contributions to [[combinatorics]].<ref>{{cite book |editor1=B. V. Subbarayappa |editor2=S. R. N. Murthy |title=Scientific Heritage of India |year=1988 |publisher=Mythic Society |url=https://books.google.com/books?id=bq4yAAAAIAAJ |page=59 }}</ref>

Jayadeva's works are [[Lost literary work|lost]], and he is known only from a 20-verse quotation in Udaya-divakara ''Sundari'' (c. 1073), a commentary on [[Bhaskara I]]'s ''Laghu-bhaskariya''. This means that Jayadeva must have lived sometime before 1073,<ref name="KVS">{{cite encyclopedia |author=K. V. Sarma |author-link=K. V. Sarma |title=Jayadeva |editor=Helaine Selin |encyclopedia=Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures |volume=1 |edition=2nd |year=2008 |publisher=Springer |url=https://books.google.com/books?id=kt9DIY1g9HYC&pg=RA1-PA200 |isbn=978-1-4020-4559-2 |page=1153 }}</ref> possibly around 1000 CE.<ref name="SG"/>

==See also==
*[[List of Indian mathematicians]]

==References==
{{reflist}}

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[[Category:11th-century Indian mathematicians]]


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