Krishna SinghDr. Krishna Singh is associate professor in the department of mathematics, A.N. College, Patna, a constituent unit of Magadh University, Bodhgaya. Singh's mathematical interests include information retrieval, data mining, numerical linear algebra, an integer programming. Lately, he's been busy with projects resulting from industrial and government collaborations"basically because he's a sucker for a good problem, and can't resist the challenge of a real applied problem, which he considers to be giant puzzles Read More Read Less