Finding the k smallest spanning trees

Finding the k smallest spanning trees

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Article ID: iaor19931153
Country: Denmark
Volume: 32
Start Page Number: 237
End Page Number: 248
Publication Date: Oct 1992
Journal: BIT
Authors:
Abstract:

The paper gives improved solutions for the problem of generating the k smallest spanning trees in a graph and in the plane. The present algorithm for general graphs takes time O(mlogβ(m,n)+k2); for planar graphs this bound can be improved to O(n+k2). The paper also shows that the k best spanning trees for a set of points in the plane can be computed in time O(min(k2n+nlogn, k2+knlog(n/k))). The k best orthogonal spanning trees in the plane can be found in time O(nlogn+knloglog(n/k)+k2).

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