Searching and Pebbling

نویسندگان

  • Lefteris M. Kirousis
  • Christos H. Papadimitriou
چکیده

We relate the search number of an undirected graph G with the minimum and maximum of the progressive pebble demands of the directed acyclic graphs obtained by orienting (7. Towards this end, we introduce node-searching, a slight variant of searching, in which an edge is cleared by placing searchers on both of its endpoints. We also show that the minimum number of searchers necessary to node-search a graph equals its vertex separator plus one.

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عنوان ژورنال:
  • Theor. Comput. Sci.

دوره 47  شماره 

صفحات  -

تاریخ انتشار 1986