Index
W
walk of a tree, see tree walk
weak duality, 805
weightof a cut, 1043 ex.of an edge, 529
mean, 617 pr.of a path, 580
weight-balanced tree, 301, 427 pr.weighted bipartite matching, 497
weighted matroid, 394–398
weighted median, 194 pr.weighted set-covering problem, 1050 pr.weighted-union heuristic, 503
weighted vertex cover, 1040–1043
weight functionfor a graph, 529
in a weighted matroid, 394
while, in pseudocode, 19
white-path theorem, 545
white vertex, 531, 540
widget, 1008
wire, 705, 988
WITNESS, 891
witness to the compositeness of a number, 890
worst-case running time, 26, 46