Results 261 to 270 of about 128,546,329 (291)

Trees and Tree-Equivalent Graphs

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

Interactive Tree Of Life (iTOL) v5: an online tool for phylogenetic tree display and annotation

Nucleic Acids Research, 2021
Peer Bork, Ivica Letunic
exaly  

Ggtree: A serialized data object for visualization of a phylogenetic tree and annotation data

iMeta, 2022
Guan Yi, Tang Wenli, Guangchuang Yu
exaly  

To Tree or Not to Tree?

Science News, 2000
James K. Liebherr, Mark Deyrup, Aaron Wendt   +2 more
openaire   +1 more source

A Tree is a Tree is a Tree…

Science Activities: Classroom Projects and Curriculum Ideas, 1977
openaire   +1 more source

Trees, trees, and more trees!

Journal of Soil and Water Conservation, 1985
openaire   +1 more source

Tree Balance and Tree Completeness

Evolution, 1995
openaire   +2 more sources

Trees

Science, 1973
openaire   +2 more sources

Interactive Tree Of Life (iTOL) v4: recent updates and new developments

Nucleic Acids Research, 2019
Peer Bork, Ivica Letunic
exaly  

Evolview v3: a webserver for visualization, annotation, and management of phylogenetic trees

Nucleic Acids Research, 2019
Wei-Hua Chen, Martin J Lercher, Songnian Hu   +2 more
exaly