Computer Modeling of Landscapes
Jelena Petrić (1994)
The Yugoslav Journal of Operations Research
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Displaying similar documents to “A plane model of the bronchial tree.”
Computer Modeling of Landscapes
Number of models of theories with many types
Anand Pillay (1978-1979)
Groupe d'étude de théories stables
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On the fractality of the biological tree-like structures.
Kalda, Jaan (1999)
Discrete Dynamics in Nature and Society
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Variability of the radius growth at 25 year old Pinus uncinata miller ex mirbel species in the Spanish north-east pyrenees.
Emilia Gutiérrez (1985)
Qüestiió
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It has been studied the variability of stem radial growth in four radius orientations at the age of 25 years old trees. The species was Pinus uncinata. The sampling sites, located in the North East Spanish Pyrenees belong to different plant communities. An ANOVA analysis was performed in order to find out which factors, the radio orientation, plant community of the site and tree itself are significative or have some kind of influence on the tree radial growth.
Rectilinear spanning trees versus bounding boxes.
Rautenbach, D. (2004)
The Electronic Journal of Combinatorics [electronic only]
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The diameter distribution of the stem villi arteries does not discriminate between normal and intra uterine growth restricted placentas.
Guiot, C., Todros, T., Piantà, P.G., Sciarrone, A., Kosanke, G., Kaufmann, P. (1999)
Journal of Theoretical Medicine
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Plane trivalent trees and their patterns
Charles Delorme (2010)
Open Mathematics
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The aim of this paper is to characterize the patterns of successive distances of leaves in plane trivalent trees, and give a very short characterization of their parity pattern. Besides, we count how many trees satisfy some given sequences of patterns.
Denotational aspects of untyped normalization by evaluation
Andrzej Filinski, Henning Korsholm Rohde (2005)
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
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We show that the standard normalization-by-evaluation construction for the simply-typed -calculus has a natural counterpart for the untyped -calculus, with the central type-indexed logical relation replaced by a “recursively defined” invariant relation, in the style of Pitts. In fact, the construction can be seen as generalizing a computational-adequacy argument for an untyped, call-by-name language to normalization instead of evaluation.In the untyped setting, not all terms have normal...
Multidimensional term indexing for efficient processing of complex queries
Michal Krátký, Tomáš Skopal, Václav Snášel (2004)
Kybernetika
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The area of Information Retrieval deals with problems of storage and retrieval within a huge collection of text documents. In IR models, the semantics of a document is usually characterized using a set of terms. A common need to various IR models is an efficient term retrieval provided via a term index. Existing approaches of term indexing, e. g. the inverted list, support efficiently only simple queries asking for a term occurrence. In practice, we would like to exploit some more sophisticated...
On a matching distance between rooted phylogenetic trees
Damian Bogdanowicz, Krzysztof Giaro (2013)
International Journal of Applied Mathematics and Computer Science
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The Robinson-Foulds (RF) distance is the most popular method of evaluating the dissimilarity between phylogenetic trees. In this paper, we define and explore in detail properties of the Matching Cluster (MC) distance, which can be regarded as a refinement of the RF metric for rooted trees. Similarly to RF, MC operates on clusters of compared trees, but the distance evaluation is more complex. Using the graph theoretic approach based on a minimum-weight perfect matching in bipartite graphs,...