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ACS
2004
13 years 10 months ago
2004
The authors have used generalised Galois Theory to construct a homotopy double groupoid of a surjective fibration of Kan simplicial sets. Here we apply this to construct a new hom...
ACS
2004
13 years 10 months ago
2004
We consider pseudo-descent in the context of 2-fibrations. A 2-category of descent data is associated to a 3-truncated simplicial object in the base 2-category. A morphism q in the...
ACS
2004
13 years 10 months ago
2004
In this paper we introduce and study a cohomology theory {Hn(-, A)} for simplicial sets with coefficients in symmetric categorical groups A. We associate to a symmetric categorical...
POLICY
2004
Springer
14 years 4 months ago
2004
Springer
Access control (AC) technology has come a long way from its roots as the means for sharing resources between processes running on a single machine, to a mechanism for regulating t...
ACS
2004
13 years 10 months ago
2004
Threshold agent networks (TANs) constitute a discretized modification of threshold (also known as neural) networks that are appropriate for modeling computer simulations. In this p...