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Topic: Comparison of topologies

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	BioMed Central \| Full text \| Phylophenetic properties of metabolic pathway topologies as revealed by global analysis
		The result is similar to a previous analysis of the topology of the citric acid cycle (map00020) and glycolysis/glucogenesis (map00010), where the clustering of organisms agreed well with the NCBI taxonomy [5].
		Comparisons of trees based on glycolysis/glucogenesis to the NCBI taxonomy gave similarity values of 0.18 and 0.19 for two sets of 48 and 72 organisms, respectively [5], very close to the value of 0.178 calculated by our method for 154 organisms containing this pathway.
		Based on the topologies of the 37 single pathway trees, a comprehensive tree was constructed using the quartet method described in Methods (Figure 5).
	www.biomedcentral.com /1471-2105/7/252 (5845 words)

	Chapter 3 Selecting a Topology (Site not responding. Last check: 2007-10-26)
		A topology is the schematic arrangement of Application Server components (machines, application server instances, and HADB nodes), and the communication flow between these components.
		Table 3-1 presents a comparison of the co-located topology and the separate tier topology.
		An important factor in the choice of topology is the type of machines in the setup.
	docs.sun.com /source/819-0078-10/topology.html (1932 words)

	Comparison of topologies - Definition, explanation
		In topology and related areas of mathematics comparison of topologies refers to the fact that two topological structures on a given set may stand in relation to each other.
		The join, however, is not generally the union of those topologies (the union of two topologies need not be a topology) but rather the topology generated by the union.
		In the case of topologies, the greatest element is the discrete topology and the least element is the trivial topology.
	www.calsky.com /lexikon/en/txt/c/co/comparison_of_topologies.php (494 words)

	DC MetaData for: Proximity and Hyperspace Topologies (Site not responding. Last check: 2007-10-26)
		54A10 Several topologies on one set (change of topology, comparison of topologies, lattices of topologies)
		Vietoris and Hausdorff uniform topologies, serves as a bridge
		We study DELTA topologies introduced by Poppe, and their proximal
	ftp.math.uni-rostock.de /pub/romako/heft57/naimpally57.html (193 words)

	Comparison of topologies - Wikipedia, the free encyclopedia
		In topology and related areas of mathematics comparison of topologies refers to the fact that two topological structures on a given set may stand in relation to each other.
		The join, however, is not generally the union of those topologies (the union of two topologies need not be a topology) but rather the topology generated by the union.
		In the case of topologies, the greatest element is the discrete topology and the least element is the trivial topology.
	en.wikipedia.org /wiki/Comparison_of_topologies (502 words)

	Structure of Adeno-Associated Virus Type 4 -- Padron et al. 79 (8): 5047 -- The Journal of Virology
		A comparison of surface-shaded low-resolution maps of AAV2 (in red), AAV4 (in blue), AAV5 (in dark green), ADV (in orange), B19 (in pink), CPV (in cyan), DNV (in purple), FPV (in magenta), MVM (in green), and PPV (in brown) at the indicated resolution is shown.
		Comparison of AAV capsid structures and implications for antigenic phenotypes.
		A comparison of capsid surface topologies of parvoviruses for
	jvi.asm.org /cgi/content/full/79/8/5047 (8184 words)

	Cofinite - Wikipedia, the free encyclopedia
		The cofinite topology (sometimes called the finite complement topology) is a topology which can be defined on every set X.
		This topology occurs naturally is in the context of the Zariski topology.
		Since polynomials over a field K are zero on finite sets, or the whole of K, the Zariski topology on K (considered as affine line) is the cofinite topology.
	en.wikipedia.org /wiki/Cofinite (585 words)

	CAIDA : tools : measurement : skitter : references
		We conclude that, for topology generation, it is not necessary to incorporate...
		Topology influences the dy- namics of routing protocols [3], [11], the scalability
		Thus, the ITM network topology is the same as the AS the network topology.
	www.caida.org /tools/measurement/skitter/references/skitter-usage.xml (1773 words)

	Crossove_Design
		The most common crossover topology is the "parallel" design, where the two wires of the amp output are connected to the input terminals of the low-pass, and to the input terminals of the high pass.
		A comparison shows [32kb] that the tree topology is the least sensitive to impedance interactions between the filters (I have not tried the duals of the tree networks of order greater than one).
		For a digital crossover the logical topology is to obtain the crossover input directly from a digital device, and to follow the crossover by multiple digital-to-analog converters, which then feed multiple analog stereo channels.
	www.silcom.com /~aludwig/Sysdes/Crossove_Design.htm (4102 words)

	Response to Comment on "Hexapod Origins: Monophyletic or Paraphyletic?" -- Nardi et al. 301 (5639): 1482 -- Science
		Comparison of tree topologies under the amino acid substitution model mtREV24 implemented in PAML (12, 19) and incorporating a
		1 is compared with the topology derived in (4).
		In the 35-taxon data set, the two topologies derived in (3) and (4) are compared.
	www.sciencemag.org /cgi/content/full/301/5639/1482e (1102 words)

	Identification of conserved residue patterns in small {beta}-barrel proteins -- Qamra et al. 15 (12): 967 -- Protein ...
		Topologies of the ß-barrel folds characterized by n= 4 and S= 8 according to the SCOP classification.
		Table V. Comparison of positional entropies of the ß-barrel folds at the structurally aligned positions.
		Comparison of the Cß–Cß distance among the native and mutant peptides of E.coli GroES during molecular dynamics simulations.
	peds.oxfordjournals.org /cgi/content/full/15/12/967 (4993 words)

	STMicroelectronics \| COMPARISON OF MOSFET AND IGBT TRANSISTORS IN MOTOR DRIVE APPLICATIONS
		COMPARISON OF DRIVE TOPOLOGIES The comparison involves usually PWM switched transistors, with frequencies above the audible range (>20kHz).
		The topology of the inverter and the DC input voltage will affect the choice.
		In this topology the motor coil current is unidirectional.
	eu.st.com /stonline/books/ascii/docs/3717.htm (732 words)

	Topologies for Optical Interconnection Networks Based on OTIS - Coudert, Ferreira, noz (ResearchIndex) (Site not responding. Last check: 2007-10-26)
		In this paper, we propose a step in this direction, by giving optical layouts for several graph-theoretical topologies studied in the literature, using the Optical Transpose Interconnection System (OTIS) architecture.
		3: A performance comparison between graph and hypergraph topologies for passive sta..
		Topologies for optical interconnection networks based on the optical transpose interconnection system.
	citeseer.ist.psu.edu /coudert00topologies.html (817 words)

	[No title] (Site not responding. Last check: 2007-10-26)
		This paper presents a new model, k-ary n-cube m-diag, which generalizes existing k-ary n-cube topologies to include hexagonal networks and their $n$-dimensional extensions.
		A performance analysis based on this model is conducted, showing that the increase of connectivity in low-dimensional networks by means of diagonal links results in better latency and throughput in the network.
		An algorithm for routing messages in k-ary n-cube m-diags is proposed, showing the relative ease of performing this task on such topologies.
	www.cs.toronto.edu /pub/reports/csrg/266/README (217 words)

	[No title]
		For example, the measured axial force of a 130mm diameter SMB having approximately 1.4kg was up to 400N in zero field cooling process, while an older 175mm diameter prototype having approximately 4.9kg this limiter was up to 300N.
		In the new prototypes, two main SMB topologies were investigated: flux shaper configuration and axially magnetized ring having an iron back yoke.
		A study of different magnets arrangement, having the same Nd-Fe-B volume, were made taking in consideration comparison of levitation force and stiffness for all types of SMB.
	www.coe.ufrj.br /~sotelo/M2S2006/resume_m2s_2006.doc (316 words)

	"Topologies" - Shopping.com
		Steven M. Rosen - Topologies of the Flesh: A Multidimension al Exploration of the Lifeworld
		Topologies of Trauma: Essays on the Limit of Knowledge and Memory
		Maps and Mirrors: Topologies of Art and Politics
	www.shopping.com /xGS-Topologies (659 words)

	physical topology of a network refers to the configuration of cables, computers
		Physical topology should not be confused with logical topology which is the method used to pass information between workstations.
		A star-wired ring topology may appear (externally) to be the same as a star topology.
		Tree topologies allow for the expansion of an existing network, and enable schools to configure a network to meet their needs.
	www.mixcat.com /computers/physical-topology-of-a-network-refers-to-the-configuration-of-cables-computers.php (1185 words)

	Alachisoft - NCache Distributed Caching, Clustered Object Cache, Replicated Cache, Partitioned Cache for .NET
		Distributed caching enables you to do this in a server farm environment.
		Dynamic clustering with Replicated and Partitioned cache topologies
		Highly scalable due to replicated and partitioning clustering topologies
	www.alachisoft.com /ncache (196 words)

	Victor P. Schneider: Math Dept, The University of Louisiana at Lafayette (Site not responding. Last check: 2007-10-26)
		Using a set to construct a group topology, (with B. Clark and E. Clay), Kyungpook Math J. A comparison of topologies on free groups (with B. Clark), Kyungpook Math.
		Normal decompositions of the lattice of group topologies (with B.
		The normal extensions of subgroup topologies (with B. Clark), Proc.
	www.louisiana.edu /Academic/Sciences/MATH/faculty/vps3252.html (259 words)

	Bradd E. Clark: Math Dept, The University of Louisiana at Lafayette (Site not responding. Last check: 2007-10-26)
		A comparison of topologies on free groups (with Vic Schneider), Kyuangpook Math.
		Extending topologies from subgroups to groups (with Mary Dooley and Vic Schneider), Topology Proc.
		Extending topologies from subgroups to groups (with Mary Dooley and Victor Schneider), Topology Proc.
	www.louisiana.edu /Academic/Sciences/MATH/faculty/bec1033.html (307 words)

	Shared Nucleotide Composition Biases Among Species and Their Impact on Phylogenetic Reconstructions of the ...
		Branch lengths are proportional to the scale, given in substitutions per nucleotide.
		Kishino H., M. Hasegawa, 1989 Evaluation of the maximum likelihood estimate of the evolutionary tree topologies from the DNA sequence data, and the branching order in Hominoidea J. Mol.
		Whelan S., N. Goldman, 1999 Distributions of statistics used for the comparison of models of sequence evolution in phylogenetics Mol.
	mbe.oxfordjournals.org /cgi/content/full/18/8/1464 (5492 words)

	Multicenter Comparison of Three Different Analytical Systems for Evaluation of DNA Banding Patterns from Cryptococcus ...
		Multicenter Comparison of Three Different Analytical Systems for Evaluation of DNA Banding Patterns from Cryptococcus neoformans -- Cardinali et al.
		Dendrogram dimensions were graphically normalized to allow an easy visual comparison of the topologies and of the relative distances among strain.
		qualitative, i.e., relative to the topology of the trees.
	jcm.asm.org /cgi/content/full/40/6/2095 (3527 words)

	A Preliminary Comparison of Proposed Topologies for Geodesic Discrete Global Grid Systems (Site not responding. Last check: 2007-10-26)
		Multi-resolution regular partitions of the platonic solids have been proposed as an alternative to traditional floating point coordinates for encoding geospatial location on digital computers.
		In this paper we will give a mathematical model for such systems and then describe the implementation of that model to create a software testbed for evaluating the performance of these systems.
		Preliminary performance comparisons of the three major topologies as location-based spatial data structures will be discussed.
	www.ncgia.ucsb.edu /globalgrids/abstracts/Sahrk.htm (96 words)

	Multiple Lateral Transfers of Dissimilatory Sulfite Reductase Genes between Major Lineages of Sulfate-Reducing ...
		Comparison of 16S rRNA (ML) and DsrAB (ED) trees for the sulfate- and sulfite-reducing prokaryotes investigated.
		Comparison of the 10 N-terminal amino acids of the beta-subunit
		The core of our study was a direct comparison between 16S rRNA and DsrAB trees of the respective SRPs (Fig.
	jb.asm.org /cgi/content/full/183/20/6028 (4549 words)

	Referativni Zhurnal Classification
		Comparisons, power residues, quadratic residues, etc. 271.15.17.15.27 Numerical sequences (Farey, et al.).
		Topology of manifolds 271.19.19.17 Topology of manifolds of lower dimensions 271.19.19.17.17 Topological surfaces 271.19.19.17.19 Three-dimensional topological manifolds 271.19.19.17.19.17 Classification of three-dimensional manifolds 271.19.19.17.19.17.19 Poincare conjecture and related problems 271.19.19.17.21 Four-dimensional topological manifolds 271.19.19.17.21.17 Classification of four-dimensional manifolds 271.19.19.17.21.17.19 Poincare conjecture for four-dimensional manifolds 271.19.19.17.27 Embeddings and immersions in lower dimensions 271.19.19.17.33 Knots.
		Topology of Riemannian manifolds 271.19.19.33 Differential and integral operators on manifolds 271.19.19.33.19 Foliations.
	www.ams.org /mathweb/Classif/RZhClassification.html (1545 words)

	SAN Discovery
		Eliminate the hours of work typically needed for the initial setup of a SAN topology, and generate baseline and comparison topologies with this easy to use utility.
		All you need to do is download and run SAN Discovery on any Windows-based computer connected to your SAN, and upload the resulting XML file to Brocade Connect.
		Then you will automatically be e-mailed a Visio file of your SAN topology that you can easily manipulate with Visio.
	www.brocade.com /san/san_discovery.jsp (240 words)

	Mathematical Sciences, Graduate Exams (Site not responding. Last check: 2007-10-26)
		Consists of three core topics - Abstract Algebra (3 hours), Real Analysis (3 hours), Topology (1.5 hours) - and one optional topic chosen by the student (1.5 hours).
		C. Patty, Foundations of Topology, PWS-KENT Publishing Co., Boston, MA, 1993, Chapters 1-4.
		J. Munkres, Topology: A First Course, Prentice Hall, 1975.
	www.msci.memphis.edu /qualexams.html (626 words)

	CAIDA : analysis : topology : as_topo_comparisons
		We calculate the most commonly used statistical characteristics of skitter, BGP and WHOIS topologies.
		Detailed explanations of the topologies and metric definitions are available in "Lessons from Three Views of Internet AS-Level Topology".
		Clustering comparison with 2K, 1K and 0K-graphs for WHOIS
	www.caida.org /analysis/topology/as_topo_comparisons/master.xml (518 words)

	Vicor \| Designing With Component Power Modules
		This mini-seminar considers the advantages and disadvantages of the two main classes of DC-DC converter topologies.
		A comparison is made between DC-DC converters using fixed frequency pulsewidth modulation (PWM) and variable frequency quasi-resonant Zero-Current Switching (ZCS).
		Characterization and Comparison of Noise Generation for Quasi-Resonant and Pulsewidth Modulated Converters
	www.vicr.com /library/video_seminars/designing_power (642 words)

	DC MetaData for: Topologies for Disjunctive \omega-words (Site not responding. Last check: 2007-10-26)
		54A10 Several topologies on one set (change of topology, comparison of topologies, lattices of topologies)
		Abstract: An infinite sequence (\omega-word) is referred to as disjunctive provided
		In the first topology - the so-called topology of forbidden words - D is
	www.mathematik.uni-halle.de /reports/shadows/01-15report.html (167 words)

	[No title] (Site not responding. Last check: 2007-10-26)
		X óJ¨Logical Topology¡ ª¨ßLogical Topology - what the system sees, how messages are passed.
		¡ CA"óQ hTree, Hierarchical Topology Generalised Linear Bus¡54 ª4¨íAdvantages Lower cabling cost than a star network Disadvantages Hard to expand or reconfigure Potential congestion 5-4-3 Rule: Between any two nodes, a maximum of 5 segments, connected through 4 repeaters, and only 3 populated segments.
		Could implement packet broadcasting - physically a star, logically a bus.
	www.csse.monash.edu.au /courseware/cse2318/bus5112/assets/week3a.ppt (292 words)

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