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Showing 1 to 3 of 3 for “"K-Tree"”.
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On K-trees and Special Classes of K-trees
<p>The class of k-trees is defined recursively as follows: the smallest k-tree is the k-clique. If G is a graph obtained by attaching a vertex v to a k-clique in a k-tree, then G is also a k-tree. Trees, connected acyclic graphs, are k-trees for k = 1. We introduce a new parameter known as the …
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On Topological Indices And Domination Numbers Of Graphs
… results on these two topics. We study k-trees and cactus graphs with the sharp upper and lower bounds of the degree-based topological indices(Multiplicative Zagreb indices). The extremal cacti with a distance-based topological index (PI index) are explored. Furthermore, we provide the …
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Influence of elevation on tree species distribution and growth in the southern Appalachian Mountains
… between elevation on the radial growth of tree species within the region, an elevation microsite was selected to explore the relationship between elevation and the radial growth of upland oak. Eight study sites across an elevation gradient were selected, and 20 oak tree cores were …