Quality and productivity in comminution of small-diameter tree bundles
نویسندگان
چکیده
منابع مشابه
Tree spanners of small diameter
A graph that contains a spanning tree of diameter at most t clearly admits a tree t-spanner, since a tree t-spanner of a graph G is a sub tree of G such that the distance between pairs of vertices in the tree is at most t times their distance in G. In this paper, graphs that admit a tree t-spanner of diameter at most t + 1 are studied. For t equal to 1 or 2 the problem has been solved. For t = ...
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چکیده ندارد.
Backbone colouring: Tree backbones with small diameter in planar graphs
Given a graph G and a spanning subgraph T of G, a backbone k-colouring for (G,T ) is a mapping c : V (G)→ {1, . . . ,k} such that |c(u)− c(v)| ≥ 2 for every edge uv ∈ E(T ) and |c(u)− c(v)| ≥ 1 for every edge uv ∈ E(G) \E(T ). The backbone chromatic number BBC(G,T ) is the smallest integer k such that there exists a backbone k-colouring of (G,T ). In 2007, Broersma et al. [2] conjectured that B...
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ژورنال
عنوان ژورنال: International Journal of Forest Engineering
سال: 2016
ISSN: 1494-2119,1913-2220
DOI: 10.1080/14942119.2016.1223926