E. Sampathkumar (born 10 June 1936) is a professor emeritus of

graph theory In mathematics, graph theory is the study of ''graphs'', which are mathematical structures used to model pairwise relations between objects. A graph in this context is made up of '' vertices'' (also called ''nodes'' or ''points'') which are conne ...

from University of Mysore. He has contributed to

domination number Domination or dominant may refer to: Society * World domination, which is mainly a conspiracy theory * Colonialism in which one group (usually a nation) invades another region for material gain or to eliminate competition * Chauvinism in which ...

, bipartite double cover, and reconstruction theory, as well as other areas of graph theory. 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 Channapatana is a city and taluk headquarters in Ramanagara District, Karnataka, India. Channapatna is approximately 60kms from Bangalore and 80kms from Mysore. Geography Channapatna has an average elevation of 739 metres (2424 ft). ...

Taluk,

Ramanagaram Ramanagara is a city in the Indian state of Karnataka. It is also the headquarters of Ramanagara district. It is approximately 50 kilometres from Bangalore. There are buses and trains as public transportations which approximately takes 90 minute ...

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

Bangalore University Bangalore University (BU) is a public state university located in Bangalore, Karnataka, India. The university is a part of the Association of Indian Universities (AIU), Association of Commonwealth Universities (ACU) and affiliated by Univers ...

, and a Ph.D. (1965) in mathematics (Some studies in

Boolean algebra In mathematics and mathematical logic, Boolean algebra is a branch of algebra. It differs from elementary algebra in two ways. First, the values of the variables are the truth values ''true'' and ''false'', usually denoted 1 and 0, whereas in e ...

) from the Karnataka University, Dharwar. He was a lecturer at the department of mathematics

Karnatak College, Dharwar Karnataka College of Arts and Science, Dharwad (1917) is one of the leading institutions in Karnataka, India offering B.A., B.Com. and B.Sc degrees. KCD is the oldest college affiliated to Karnataka University, Dharwad. The college also has a Z ...

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

Contributions

Professor E. Sampathkumar is the first one in India to teach Graph Theory as a subject in any of the Indian universities. He introduced it as a special paper in 1970-71 for MSc Mathematics students at

Karnatak University Karnatak University is a public state university in Dharwad district of Karnataka state, India. The university is recognized by University Grants Commission (India), University Grants Commission and accredited by National Assessment and Accre ...

, Dharwad. Per

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, his

H-index The ''h''-index is an author-level metric that measures both the productivity and citation impact of the publications, initially used for an individual scientist or scholar. The ''h''-index correlates with obvious success indicators such as winn ...

is 21 and he has over 1500 citations. Since 2005, his birthday, June 10, is celebrated as Graph Theory day in India.

References

{{DEFAULTSORT:Sampathkumar, E. Kannada people Graph theorists 1936 births Living people Academic staff of the University of Mysore Academic staff of Karnatak University Scientists from Karnataka Bangalore University alumni People from Ramanagara district 20th-century Indian mathematicians Indian combinatorialists