Results 141 to 150 of about 1,197 (175)

Neutral phylogenetic models and their role in tree-based biodiversity measures. [PDF]

Philos Trans R Soc Lond B Biol Sci
Steel M.
europepmc   +1 more source

The space of ultrametric phylogenetic trees

Journal of Theoretical Biology, 2016
Minor changes. This version has been published in JTB.
Alex Gavryushkin, Alexei J Drummond
exaly   +4 more sources

Lipschitz-Free Spaces Over Ultrametric Spaces [PDF]

Mediterranean Journal of Mathematics, 2015
The only change in the latest version is the second author's grant information. Question 1 from the previous version has been answered - see Remark 15 for the solution. Preprint was accepted in Mediterr.
Marek Cúth, Cúth Marek
exaly   +3 more sources

The Ultrametric Space of Plane Branches [PDF]

Communications in Algebra, 2011
Peer ...
Maria Alberich-Carramiñana, VÍCTOR González-Alonso   +1 more
exaly   +5 more sources

Constructions of Urysohn Universal Ultrametric Spaces

P-Adic Numbers, Ultrametric Analysis, and Applications, 2023
In this paper, we give new constructions of Urysohn universal ultrametric spaces. We first characterize a Urysohn universal ultrametric subspace of the space of all continuous functions whose images contain the zero, from a zero-dimensional compact Hausdorff space without isolated points into the space of non-negative real numbers equipped with the ...
Yoshito Ishiki
exaly   +3 more sources

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Dynamics on Ultrametric Spaces

Physical Review Letters, 1985
We present an exact solution to the problem of a random walk on an ultrametric space with arbitrary transition probabilities. The solution provides a description of fluctuation dynamics of systems with many degenerate states separated by a hierarchy of energy barriers.
, Ogielski, , Stein
openaire   +2 more sources

Generalized ultrametric spaces II

Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg, 1996
The authors study ultrametric spaces \((X, d, \Gamma)\), where \(X\) is a nonempty set, \(\Gamma\) a partially ordered set with smallest element \(0\), and \(d: X\times X \rightarrow\Gamma\) a (surjective) ultrametric distance function (i.e., \(d(x,y)=0\) if and only if \(x=y\), \(d(x,y)=d(y,x)\), if \(d(x,y) \leq \gamma\) and \(d(y,z) \leq \gamma ...
Priess-Crampe, S., Ribenboim, P.
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On the universal ultrametric space

Ukrainian Mathematical Journal, 1994
Summary: An ultrametric space in which any separable ultrametric space is isometrically imbedded is constructed. We show how, by using this universal space, any separable ultrametric space can be imbedded into \(l_1\), \(l_2\) and \(c_0\).
Igor Vestfrid
exaly   +2 more sources

On a universal ultrametric space

Topology and Its Applications, 2000
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Lemin, Alex J., Lemin, Vladimir A.
exaly   +3 more sources

Homotopy Theory of Ultrametric Spaces

Higher Structures, 2021
This paper gives a new foundation of ultrametric spaces in terms of model categories, which was inspired by global rigid geometry with due regard to connections between Archimedean analysis and non-Archimedean one. These two branches of analysis are connected by perturbing the triangle inequality through deformation of symmetric monoidal structures on ...
openaire   +2 more sources