Tree - Open Access .click

Results 311 to 320 of about 2,574,979 (356)

Some of the next articles are maybe not open access.

Canadian Journal of Mathematics, 1965
As is well known in the theory of graphs a tree is a connected graph without cycles. Many characterizing properties of trees are known (1), for example the cyclomatic number is equal to zero, which is also equal to p — 1, where p is the number of connected components of the graph.
openaire +2 more sources

Fagaceae Trees

2007
absent
Kremer, Antoine +23 more
openaire +4 more sources

Language trees ≠ gene trees

Theory in Biosciences, 2010
Darwin saw similarities between the evolution of species and the evolution of languages, and it is now widely accepted that similarities between related languages can often be interpreted in terms of a bifurcating descent history (‘phylogenesis’). Such interpretations are supported when the distributions of shared and unshared traits (for example, in ...
James Steele, Anne Kandler
openaire +1 more source

Scalable Recognition with a Vocabulary Tree

Computer Vision and Pattern Recognition, 2006
D. Nistér, Henrik Stewénius
semanticscholar +1 more source

Trees

Science, 1973
openaire +2 more sources

Toward Defining the Course of Evolution: Minimum Change for a Specific Tree Topology

, 1971
W. Fitch
semanticscholar +1 more source

Tree allometry and improved estimation of carbon stocks and balance in tropical forests