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DM
2006
14 years 12 months ago
2006
The group PSL(2, q) is 3-homogeneous on the projective line when q is a prime power congruent to 3 modulo 4 and therefore it can be used to construct 3-designs. In this paper, we ...
DM
2006
14 years 12 months ago
2006
For an integer r > 0, a conditional (k, r)-coloring of a graph G is a proper k-coloring of the vertices of G such that every vertex of degree at least r in G will be adjacent t...
DM
2007
14 years 12 months ago
2007
We show that each polynomial a(z)=1+a1z+· · ·+adzd in N[z] having only real zeros is the f-polynomial of a multicomplex. It follows that a(z) is also the h-polynomial of a Cohe...
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DM
2007
14 years 12 months ago
2007
Short cycle connectivity is a generalization of ordinary connectivity—two vertices have to be connected by a sequence of short cycles, in which two consecutive cycles have at le...
IJON
2002
14 years 11 months ago
2002
We examine the conditions under which spike-timing-dependent plasticity (STDP) normalizes post-synaptic