Results 141 to 150 of about 339 (176)
Evolutionary Changes in Crassulacean Acid Metabolism (CAM) and Related Traits During the Diversification of <i>Aichryson</i> (Crassulaceae) on the Macaronesian Islands. [PDF]
Ecol EvolBerasategui JA +5 more
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Multi-Input data ASsembly for joint Analysis (MIASA): A framework for the joint analysis of disjoint sets of variables. [PDF]
PLoS OneRaharinirina NA +4 more
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Ultrametric Preserving Functions and Weak Similarities of Ultrametric Spaces$$^*$$ [PDF]
P-Adic Numbers, Ultrametric Analysis, and Applications, 2021 18 pages, 1 ...
Ruslan Shanin, Dovgoshey Oleksiy
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Ultrametric spaces and logic programming
The Journal of Logic Programming, 2000 Summary: We prove a very general multivalued fixed point theorem for ultrametric spaces which at the same time is a generalization of the multivalued fixed point theorem of Khamsi, Kreinovich and Misane for generalized metric spaces and our (singlevalued) fixed point theorem for ultrametric spaces.
Paulo Ribenboim, Sibylla Priess-Crampe
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Wavelets on ultrametric spaces
Applied and Computational Harmonic Analysis, 2005 The authors consider ultrametric spaces with a metric \(| xy| \) satisfying the strong triangle inequality \(| ab| \leq\max(| ac| ,| cd| )\) for all \(c\). They construct measures in ultrametric spaces and introduce bases in quadratically integrable (complex valued) function spaces.
A Yu Khrennikov
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Dynamics on Ultrametric Spaces
Physical Review Letters, 1985We 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
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Generalized ultrametric spaces II
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg, 1996The 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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Homotopy Theory of Ultrametric Spaces
Higher Structures, 2021This 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 ...
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The immersion of ultrametric spaces into Hahn spaces
Journal of Algebra, 2010 The immersion of an ultrametric space with totally ordered set of distances into a spherically complete ultrametric space was established independently by \textit{S. Priess-Crampe} and \textit{P. Ribenboim} [Abh. Math. Semin. Univ. Hamb. 67, 19--31 (1997; Zbl 0887.54029)] and by \textit{E. Schörner} [Result. Math. 29, No.~3--4, 361--370 (1996; Zbl 0866.
Paulo Ribenboim
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A Hyperbolic Filling for Ultrametric Spaces
Computational Methods and Function Theory, 2014Let \((X,d)\) and \((Y,d^{\prime})\) be Gromov 0-hyperbolic spaces, whose boundaries at infinity \(\partial X\) and \(\partial Y\) are equipped with the canonical visual metrics. The author first shows that an isometry at infinity \(f: X \to Y\) has a canonical extension to a map \(\partial f: \partial X \to \partial Y\) and that the extension is a ...
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