Results 1 to 10 of about 484,263 (305)

Data on the solution and processing time reached when constructing a phylogenetic tree using a quantum-inspired computer [PDF]

open access: yesData in Brief, 2023
Phylogenetic trees provide insight into the evolutionary trajectories of species and molecules. However, because (2n-5)! Phylogenetic trees can be constructed from a dataset containing n sequences, but this method of phylogenetic tree construction is not
Wataru Onodera   +4 more
doaj   +2 more sources

On the Matrix Condition of Phylogenetic Tree. [PDF]

open access: yesEvol Bioinform Online, 2020
Phylogenetic comparative analyses use trees of evolutionary relationships between species to understand their evolution and ecology. A phylogenetic tree of n taxa can be algebraically transformed into an n by n squared symmetric phylogenetic covariance matrix C where each element [Formula: see text] in C represents the affinity between extant species ...
Jhwueng DC, O'Meara BC.
europepmc   +6 more sources

Characterization of a Branch of the Phylogenetic Tree [PDF]

open access: greenJournal of Theoretical Biology, 2005
We use a combination of analytic models and computer simulations to gain insight into the dynamics of evolution. Our results suggest that certain interesting phenomena should eventually emerge from the fossil record. For example, there should be a ``tortoise and hare effect'': Those genera with the smallest species death rate are likely to survive much
Stuart Samuel, Gezhi Weng
openalex   +6 more sources

Drawing Phylogenetic Trees [PDF]

open access: green, 2005
We present linear-time algorithms for drawing phylogenetic trees in radial and circular representations. In radial drawings given edge lengths (representing evolutionary distances) are preserved, but labels (names of taxons represented in the leaves) need to be adjusted, whereas in circular drawings labels are perfectly spread out, but edge lengths ...
Christian Bachmaier   +2 more
openalex   +3 more sources

Phylogenetic trees [PDF]

open access: yesJournal of Software for Algebra and Geometry, 2021
We introduce the package PhylogeneticTrees for Macaulay2 which allows users to compute phylogenetic invariants for group-based tree models. We provide some background information on phylogenetic algebraic geometry and show how the package PhylogeneticTrees can be used to calculate a generating set for a phylogenetic ideal as well as a lower bound for ...
Elizabeth Gross   +8 more
openaire   +3 more sources

Embedding phylogenetic trees in networks of low treewidth [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2023
Given a rooted, binary phylogenetic network and a rooted, binary phylogenetic tree, can the tree be embedded into the network? This problem, called \textsc{Tree Containment}, arises when validating networks constructed by phylogenetic inference methods ...
Leo van Iersel   +2 more
doaj   +1 more source

Biochemical and phylogenetic networks-II: X-trees and phylogenetic trees [PDF]

open access: yesJournal of Mathematical Chemistry, 2021
The present study, which is a continuation of the previous paper, augments a recent work on the use of phylogenetic networks. We develop techniques to characterize the topology of various X-trees and binary trees of biological and phylogenetic interests. We have obtained the results for various k-level X-trees and phylogenetic networks with variants of
R. Sundara Rajan   +5 more
openaire   +2 more sources

Information geometry for phylogenetic trees [PDF]

open access: yesJournal of Mathematical Biology, 2021
AbstractWe propose a new space of phylogenetic trees which we callwald space. The motivation is to develop a space suitable for statistical analysis of phylogenies, but with a geometry based on more biologically principled assumptions than existing spaces: in wald space, trees are close if they induce similar distributions on genetic sequence data.
Garba, M. K.   +7 more
openaire   +6 more sources

Edge-related loss of tree phylogenetic diversity in the severely fragmented Brazilian Atlantic forest. [PDF]

open access: yesPLoS ONE, 2010
Deforestation and forest fragmentation are known major causes of nonrandom extinction, but there is no information about their impact on the phylogenetic diversity of the remaining species assemblages.
Bráulio A Santos   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy