Results 31 to 40 of about 3,792,347 (201)
The ultrametrical dynamics for the closed fractal-cluster resource models
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2013 The evolution scenario of the resource distribution in the fractal-cluster systems which are identified as organism on Burdakov's classification is suggested.
Vyacheslav Teodorovich Volov +1 more
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, 2015 Ultrametric phylogeny used for running phylogenetic correlation ...
Anderson, Christopher N. +7 more
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Some results on ultrametric 2-normed spaces
Researches in MathematicsIn this paper, we study the ultrametric 2-normed spaces and the ultrametric 2-Banach spaces. In particular, we establish some results on Cauchy sequences in ultrametric 2-normed spaces.
J. Ettayb
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Morphological Semigroups and Scale-Spaces on Ultrametric Spaces [PDF]
, 2017 Ultrametric spaces are the natural mathematical structure to deal with data embedded into a hierarchical representation. This kind of representations is ubiquitous in morphological image processing, from pyramids of nested partitions to more abstract dendrograms from minimum spanning trees.
Jesús Angulo, Santiago Velasco-Forero
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Ultradiversification of Diversities
Analysis and Geometry in Metric Spaces, 2020 In this paper, using the idea of ultrametrization of metric spaces we introduce ultradiversification of diversities. We show that every diversity has an ultradiversification which is the greatest nonexpansive ultra-diversity image of it.
Haghmaram Pouya, Nourouzi Kourosh
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Entropy, 2016 We present a new conceptual approach for modeling of fluid flows in random porous media based on explicit exploration of the treelike geometry of complex capillary networks.
Andrei Khrennikov +2 more
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A note on ultrametric matrices [PDF]
, 2004 summary:It is proved in this paper that special generalized ultrametric and special $\mathcal U$ matrices are, in a sense, extremal matrices in the boundary of the set of generalized ultrametric and $ \mathcal U$ matrices, respectively.
Zhang, Xiao-Dong
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Biological Diversity, EarlyView.The first inventory of ants from the Xisha Islands of the South China Sea was compiled, revealing 21 species: 70% native and 30% exotic. Anthropogenic disturbance primarily drove exotic colonization, whereas island area showed weak positive effects on species richness. Most ants were omnivorous, with key mutualistic and seed‐dispersal roles.
Hua‐Yan Chen +4 more
wiley +1 more source
Fixed point theorem in ultrametric space
, 2018 We give a class of generalizations of a number of known fixed point theorems to mappings defined on an ultrametric space and non-Archimedean normed space which are endowed with a graph.
Hamid Mamghaderi, Hashem Masiha
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Cladistics, EarlyView.Abstract The marronoid clade is a globally distributed, ecologically diverse group of spiders. It is an important faunal component in both natural and synanthropic environments, and even found in aquatic and extreme habitats such as desert salt flats. The systematics of the marronoid clade has been notoriously unstable due to the widespread character ...
Jonas O. Wolff +10 more
wiley +1 more source