Michel Las Vergnas (11 January 1941 – 19 January 2013) was a French mathematician associated with

Pierre-and-Marie-Curie University Pierre and Marie Curie University ( , UPMC), also known as Paris VI, was a public research university in Paris, France, from 1971 to 2017. The university was located on the Jussieu Campus in the Latin Quarter of the 5th arrondissement of Paris, ...

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

, and a research director emeritus at the

Centre national de la recherche scientifique The French National Centre for Scientific Research (, , CNRS) is the French state research organisation and is the largest fundamental science agency in Europe. In 2016, it employed 31,637 staff, including 11,137 tenured researchers, 13,415 eng ...

.Michel Las Vergnas passed away
, Equipe Combinatoire & Optimisation, Pierre-and-Marie-Curie University, retrieved 2013-11-03. Las Vergnas earned his Ph.D. in 1972 from Pierre-and-Marie-Curie University, under the supervision of

Claude Berge Claude Jacques Berge (5 June 1926 – 30 June 2002) was a French mathematician, recognized as one of the modern founders of combinatorics and graph theory. Biography and professional history Claude Berge's parents were André Berge and Genevièv ...

. He was one of the founders of the ''

European Journal of Combinatorics The ''European Journal of Combinatorics'' is an international peer-reviewed scientific journal that specializes in combinatorics. The journal primarily publishes papers dealing with mathematical structures within combinatorics and/or establishing ...

'', which began publishing in 1980. His initial research was in

graph theory In mathematics and computer science, graph theory is the study of ''graph (discrete mathematics), graphs'', which are mathematical structures used to model pairwise relations between objects. A graph in this context is made up of ''Vertex (graph ...

, and particularly in the theories of matching and connectivity. Beginning in 1975, he became one of the pioneers of the theory of oriented matroids, and since that time he was interested in connections between combinatorics and geometry. A workshop on combinatorial geometry, held in

Marseilles Marseille (; ; see below) is a city in southern France, the prefecture of the department of Bouches-du-Rhône and of the Provence-Alpes-Côte d'Azur region. Situated in the Provence region, it is located on the coast of the Mediterranean S ...

in April 2013, was dedicated to his memory.Workshop program
Combinatorial geometries: matroids, oriented matroids and applications, retrieved 2013-11-03.

References

{{DEFAULTSORT:Las Vergnas, Michel 1941 births 2013 deaths 20th-century French mathematicians 21st-century French mathematicians Pierre and Marie Curie University alumni Academic staff of the University of Paris Combinatorialists Graph theorists