ArticleOriginal scientific text
Title
A prime factor theorem for a generalized direct product
Authors 1, 2, 3
Affiliations
- Department of Mathematics and Information Technology, Montanuniversität Leoben, Franz Josef-Straße 18, A-8700 Leoben, Austria
- Bioinformatics Group, Department of Computer Science, University of Leipzig, Härtelstrasse 16-18, D-04107 Leipzig, Germany
- The Santa Fe Institute, 1399 Hyde Park Road, Santa Fe, NM 87501, USA
Abstract
We introduce the concept of neighborhood systems as a generalization of directed, reflexive graphs and show that the prime factorization of neighborhood systems with respect to the the direct product is unique under the condition that they satisfy an appropriate notion of thinness.
Keywords
products, set systems, prime factor theorem
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