Sankara Variar
Sankara Variyar (IAST: Śaṅkara Vāriyar; c. 1500 – c. 1560[1]) was an astronomer-mathematician of the Kerala school of astronomy and mathematics. His family were employed as temple-assistants in the temple at Tṛkkuṭaveli near modern Ottapalam.[2]
Mathematical lineage
[edit]He was taught mainly by Nilakantha Somayaji (1444–1544), the author of the Tantrasamgraha and Jyesthadeva (1500–1575), the author of Yuktibhāṣā. Other teachers of Shankara include Netranarayana, the patron of Nilakantha Somayaji and Chitrabhanu, the author of an astronomical treaties dated to 1530 and a small work with solutions and proofs for algebraic equations.[2]
Works
[edit]The known works of Shankara Variyar are the following:[2]
- Yukti-dipika - an extensive commentary in verse on Tantrasamgraha based on Yuktibhāṣā.
- Laghu-vivrti - a short commentary in prose on Tantrasamgraha.
- Kriya-kramakari - a lengthy prose commentary on Lilavati of Bhaskara II.
- An astronomical commentary dated 1529 CE.
- An astronomical handbook completed around 1554 CE.
See also
[edit]References
[edit]- ^ Joseph, George Gheverghese (2009), A Passage to Infinity: Medieval Indian Mathematics from Kerala and Its Impact, SAGE Publications India, p. 21, ISBN 9788132104810.
- ^ a b c Plofker, Kim (2009). Mathematics in India. Princeton: Princeton University Press. pp. 220, 324.
- K. V. Sarma (1997), "Sankara Variar", Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures edited by Helaine Selin, Springer, ISBN 978-0-7923-4066-9
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