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EJC
2007
14 years 11 months ago
2007
The Web is the richest source of information and knowledge. Unfortunately the current structure of Web pages makes it difficult for users to retrieve the information or knowledge ...
EJC
2007
14 years 9 months ago
2007
We present various techniques to count proportions of permutations with restricted cycle structure in finite permutation groups. For example, we show how a generalized block theo...
EJC
2007
14 years 9 months ago
2007
A minimal k-cycle is a family of sets A0, . . . , Ak−1 for which Ai ∩ Aj = ∅ if and only if i = j or i and j are consecutive modulo k. Let fr(n, k) be the maximum size of a ...
EJC
2007
14 years 9 months ago
2007
Abstract. Given a simplicial hyperplane arrangement H and a subspace arrangement A embedded in H, we define a simplicial complex ∆A,H as the subdivision of the link of A induced...
EJC
2007
14 years 9 months ago
2007
Let K− r denote the graph obtained from Kr by deleting one edge. We show that for every integer r ≥ 4 there exists an integer n0 = n0(r) such that every graph G whose order n ...