French Tournesol (mathématiques) Cited by user Vers75 on 07 Nov 2023 En mathématiques, dans les domaines de la théorie des ensembles et de la combinatoire extrémale, un tournesol ou système -system".
English Homomorphic equivalence Cited by user T.seppelt on 30 May 2023 In the mathematics of graph theory, two graphs, G and H, are called homomorphically equivalent if there exists a graph homomorphism.
English Vertex cover Cited by user Edemaine on 27 Apr 2023 In graph theory, a vertex cover (sometimes node cover) of a graph is a set of vertices that includes at least one endpoint of every edge of the graph.
English Martin Grohe Cited by user Grimes2 on 24 Nov 2022 Martin Grohe (born 1967) is a German mathematician and computer scientist known for his research on parameterized complexity, mathematical logic, finite model theory…