EJC
2010
13 years 4 months ago
2010
Two different constructions are given of a rank 8 arc-transitive graph with 165 vertices and valency 8, whose automorphism group
EJC
2010
13 years 4 months ago
2010
EJC
2010
13 years 4 months ago
2010
The objective of this paper is to study a special family of Minkowski sums, that is of polytopes relatively in general position. We show that the maximum number of faces in the su...
EJC
2010
13 years 4 months ago
2010
EJC
2010
13 years 4 months ago
2010
We prove that any orientation of a graph without bridges and directed 2-edge-cuts admits a Z3 2
EJC
2010
13 years 4 months ago
2010
EJC
2010
13 years 4 months ago
2010
We consider plane trees whose vertices are given labels from the set {1, 2, . . . , k} in such a way that the sum of the labels along any edge is at most k + 1; it turns out that ...
EJC
2010
13 years 4 months ago
2010
