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Issue1. Vol.1 (April, 2013) - IIT Mandi

Issue1. Vol.1 (April, 2013) - IIT Mandi

Issue1. Vol.1 (April, 2013) - IIT Mandi

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ESSENT Society for Collaborative Research and Innovation, <strong>IIT</strong> <strong>Mandi</strong>An Overview ofMathematics andAstronomy in India(1300-1800 CE)Dr. Manu V. Devadevan, Assistant Professor,School of Humanities and Social Sciences,<strong>IIT</strong> <strong>Mandi</strong>Dr. Devadevan is a historian and a well knownwriter in Kannada. He is the author of severalbooks on history and literature. He has alsotranslated literary works from Kannada toEnglish and Malayalam as well as from Banglato Kannada. He specializes in the history of premodernSouth Asia. His areas of interest includepolitical and economic processes, pre-modernliterary practices and South Asian epigraphy.He is also a fellow of the Royal Asiatic Societyof Great Britain and Ireland.For much of the twentieth century, it wasbelieved that mathematics and astronomy inIndia ceased to make progress after the twelfthcentury and that Bhaskara II, the author ofLilavati, Bijaganita and Siddhanta Siromani,was the last great Indian mathematician andastronomer. All works, which appeared afterBhaskara II, were thought to be merecommentaries on earlier works, having nooriginal contributions to make. This was attimes associated with the parallel belief thatMuslim rulers turned a blind eye to the growthof science and technology, and hardly everpatronized the production of knowledge. Inputting forth these arguments, it wasconveniently forgotten that these disciplinesregistered no progress worth the name duringthe five odd centuries between the VedangaJyotisa (ca. 200-100 BCE) and the Bakhshalimanuscripts (ca. 300-400 CE), or that afterAryabhata I, Varahamihira, Bhaskara I andBrahmagupta (all between 475-600 CE), there isnearly two and a half centuries of silence beforewe meet the next prominent mathematicians,Mahavira and Sankaranarayana (both ca. 850CE).The situation is different today. The belief thatno significant mathematical treatise appeared inIndia after the twelfth century has been calledinto question, most notably by GeorgeGheverghese Joseph. 1 Joseph notes that “theperiod between the fourteenth and seventeenthcenturies marked a high point in the indigenousdevelopment of astronomy and mathematics”. 2But this he believes is a phenomenon restrictedonly to Kerala; “the picture about the rest ofIndia is somewhat patchy”. 3 What we see inKerala constitutes, according to Joseph, a KeralaSchool of Mathematics. 4We come across as many as eleven leadingmathematicians in Kerala between thefourteenth and the nineteenth century. 5 The lastof them was Sankaravarman (nineteenthcentury), who hailed from a princely family innorthern Malabar. His immediate predecessorwas Pudumana Somayaji (eighteenth century),63 ESSENT|Issue1|Vol1

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