منابع مشابه
Strong Alliances in Graphs
For any simple connected graph $G=(V,E)$, a defensive alliance is a subset $S$ of $V$ satisfying the condition that every vertex $vin S$ has at most one more neighbour in $V-S$ than it has in $S$. The minimum cardinality of any defensive alliance in $G$ is called the alliance number of $G$, denoted $a(G)$. In this paper, we introduce a new type of alliance number called $k$-strong alliance numb...
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ions, a characteristic that encouraged the women studied to take on responsibility for household management. Alternatively, perhaps the organization of the domestic economy encouraged the women in the study to develop expertise in ‘ahead-of-time’ appliances as a result of their responsibility for household management. The data on oven timers and VCRs may offer the best suggestion of the underly...
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ژورنال
عنوان ژورنال: Current Anthropology
سال: 2009
ISSN: 0011-3204,1537-5382
DOI: 10.1086/595003