Structural Cohesion and Embeddedness: A hierarchical conception of social groups. White - American Sociological Review , " While questions about social cohesion lie at the core of our discipline, definitions are often vague and difficult to operationalize. We link research on social cohesion and social embeddedness by developing a conception of structural cohesion based on network nodeconnectivity. Structural cohesion i Structural cohesion is defined as the minimum number of actors who, if removed from a group, would disconnect the group.

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SIAM Journal on Computing

Related Products Ito have identified the following relevant lab reagents. CiteULike uses cookies, some of which may already have been set. Setup a permanent sync to delicious. SPQR tree — Wikipedia With the SPQR tree of a graph G without Q nodes it is straightforward to find every pair of vertices u and v in G such that removing u and v from G leaves a disconnected graph, and the connected components of the remaining graphs:. Find this article at Save current location: This page was last edited on 16 Mayat We will interpret your continued use of this site as your acceptance of our use of cookies. To insert individual citation into a bibliography in a word-processor, select your preferred citation style below and drag-and-drop it into the document.



Our algorithm, like other Our algorithm, like other parallel algorithms for this problem, is based on open ear decomposition but it employs a new technique, local replacement, to improve the complexity. Only the need to use the subroutines for connected components and integer sorting, for which no optimal parallel algorithm that runs in O log n time is known, prevents our algorithm from achieving optimality. Designing efficient algorithms for determining the connectivity of graphs has been a subject of great interest in the last two decades.

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