abstract:Jayadeva (जयदेव) was a ninth-century Indian mathematician, who further developed the cyclic method (Chakravala method) that was called by Hermann Hankel "the finest thing achieved in the theory of numbers before Lagrange (18th century)". He also made significant contributions to combinatorics.
Copies ofthese works, totaling 381 bundles, have been distributed so as to render them accessible to Europeanscholars. Prof. Jayadeva Singh writes in his "Introduction to Madhyamika Philosophy".