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EJC
2002
14 years 9 months ago
2002
Given a Newtonian coalgebra we associate to it a chain complex. The homology groups of this Newtonian chain complex are computed for two important Newtonian coalgebras arising in ...
EJC
2002
14 years 9 months ago
2002
The Orlik-Solomon algebra of a matroid M is the quotient of the exterior algebra on the points by the ideal (M) generated by the boundaries of the circuits of the matroid. There i...
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EJC
2006
14 years 9 months ago
2006
1 The Ramsey number R(G1, G2) is the smallest integer p such that for any graph G on p vertices2 either G contains G1 or G contains G2, where G denotes the complement of G. In this...
EJC
1998
14 years 9 months ago
1998
in Proceedings of EuroCG, Berlin, M¨arz 2001, pp. 142–145. [14] Branched coverings, triangulations, and 3-manifolds, (mit Ivan Izmestiev). Adv. Geometry, 3:191–225, 2003. [15]...