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On systems, periods and semipositive mappings. (English) Zbl 0576.05059
Summary: We study the periodical behaviour of discrete systems induced by symmetric graphs which cover some models investigated before. We introduce a class of transition mappings which imply restricted periods of systems.

MSC:
05C99 Graph theory
90C08 Special problems of linear programming (transportation, multi-index, data envelopment analysis, etc.)
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