E. Sampathkumar is a professor emeritus of graph theory

Graph theory

In mathematics and computer science, graph theory is the study of graphs, mathematical structures used to model pairwise relations between objects from a certain collection. A "graph" in this context refers to a collection of vertices or 'nodes' and a collection of edges that connect pairs of...

 from University of Mysore

University of Mysore

The University of Mysore , is a public university in India. The University founded during the reign of Krishnaraja Wodeyar IV, the Maharaja of Mysore, and was conceptualized on the basis of a report on educational progress in the United States and Australia, submitted by Messrs Thomas Denham and...

. He has contributed to domination number, bipartite double cover

Bipartite double cover

In graph theoretic mathematics, the bipartite double cover of an undirected graph G is a bipartite covering graph of G, with twice as many vertices as G. It can be constructed as the tensor product of graphs G × K2...

, and reconstruction theory

Reconstruction conjecture

Informally, the reconstruction conjecture in graph theory says that graphs are determined uniquely by their subgraphs. It is due to Kelly and Ulam.-Formal statements:...

. He was chairman of the department of mathematics of the Karnataka university, Dharwar and the University of Mysore (1992–95).

Born and raised in Mallur village, Channapatna

Channapatna

Channapatna is a small city located 60 km south-west of Bangalore, India on Bangalore-Mysore state highway.The city is famous for its wooden toys and lacquerware. In the native language , Channapatna is also called as "goMbegaLa ooru" meaning toys town in English. These toys are manufactured...

 Taluk, Ramanagaram

Ramanagaram

Ramanagara is a town and a city municipal council in the Indian state of Karnataka.It is also the headquarters of Ramanagara district.- Geography :...

 (District), outside of Bangalore, he earned a M.Sc. (1955) in mathematics from Central College of Bangalore University

Bangalore University

Bangalore University is a public university located in Bangalore, Karnataka State, India. The university is one of the oldest in India, dating back to 1886...

, and a Ph.D. (1965) in mathematics (Some studies in Boolean algebra) from the Karnataka University, Dharwar. He was a lecturer at the department of mathematics Karnatak College, Dharwar (1960–65), and then professor at the department of mathematics, Karnatak University, Dharwar (1966–1988).
After retiring in 1996 from Mysore University (1989–96), he has been working for the Department of Science and Technology (India)

Department of Science and Technology (India)

The Department of Science and Technology is a department within the Ministry of Science and Technology in India. It was established in May 1971, with the objective of promoting new areas of Science and Technology and to play the role of a nodal department for organising, coordinating and promoting...

as a principal investigator on several projects in graph theory. He was head at DOS in Mathematics, University of Mysore (1992–1995).