About the Author
P. Sivaramakrishna Das/strong> started his career as Assistant Professor of Mathematics at Ramakrishna Mission Vivekananda College, Chennai, his alma mater, and retired as Professor and Head of the Department of Mathematics from the same college after an illustrious career spanning 36 years. Currently, he is Professor of Mathematics and Head of the Department of Science and Humanities, K.C.G. College of Technology, Chennai (a unit of Hindustan group of colleges).
Professor Das has done pioneering research work in the field of “Fuzzy Algebra”. His paper on fuzzy groups and level sub-groups was a fundamental paper on the subject. It was the second paper published on this topic at the international level and the first paper from India in this subject.
With a teaching experience spanning over 45 years at various arts and science and engineering colleges, Prof. Das is an accomplished teacher of Mathematics at undergraduate and postgraduate levels and has guided several students in their research leading to the M.Phil. degree. He has also coached students in their preparation for IIT–JEE examinations and was a visiting professor at a few leading IIT–JEE training centres in Andhra Pradesh. Along with his wife, C. Vijayakumari, retired Professor of Mathematics, he has written 10 books covering various aspects of Engineering Mathematics catering to the syllabus of Anna University, Chennai.
C. Vijayakumari began her career as Assistant Professor of Mathematics at Government Arts College for Women, Thanjavur, and has taught at various government arts and science colleges across Tamil Nadu before retiring as Professor of Mathematics, Queen Mary’s College, Chennai, with 40 years of teaching experience behind her.
As Visiting Professor of Mathematics, Prof. Vijayakumari has taught the students at two engineering colleges in Chennai. An accomplished teacher of Mathematics and Statistics at both undergraduate and postgraduate levels, she has also guided several students in their M.Phil. degree courses.
Along with her husband, Prof. P. Sivaramakrishna Das, she has written several books on Engineering Mathematics.