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Topic: Uniform structure


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In the News (Fri 25 Dec 09)

  
  PlanetMath: uniform space
Every uniform space can be considered a topological space with a natural topology induced by uniform structure.
It follows that uniform spaces are the most natural environment for uniformly continuous functions and Cauchy sequences, in which these concepts are naturally involved.
Examples of uniform spaces are metric spaces, topological groups, and topological vector spaces.
planetmath.org /encyclopedia/Vicinity.html   (176 words)

  
 Springer Online Reference Works
Uniform structures generated by metrics are called metrizable.
Initially, uniform spaces were used as tools for the study of the topologies (generated by them) (similar to the way a metric on a metrizable space was often used for the study of the topological properties of the space).
The topology of a metrizable uniform space is paracompact, by Stone's theorem.
eom.springer.de /U/u095250.htm   (1278 words)

  
  Uniform space
Uniform spaces may be defined alternatively and equivalently using systems of pseudo-metrics, an approach which is often useful in functional analysis.
Every uniform space is a completely regular topological space, and conversely, every completely regular space can be turned into a uniform space (often in many ways) so that the induced topology coincides with the given one.
This uniform structure on G is called the right uniformity on G, because for every a in G, the right multiplication x -> x*a is uniformly continuous with respect to this uniform structure.
publicliterature.org /en/wikipedia/u/un/uniform_space.html   (736 words)

  
 Uniform space - Wikipedia, the free encyclopedia
In the mathematical field of topology, a uniform space is a set with a uniform structure.
Uniform spaces are topological spaces with additional structure which is used to define uniform properties such as completeness, uniform continuity and uniform convergence.
Uniform spaces may be defined alternatively and equivalently using systems of pseudometrics, an approach which is often useful in functional analysis.
en.wikipedia.org /wiki/Uniform_space   (1504 words)

  
 Whitehead and Newton on Space and Time Structure
Whitehead seems to mean by a systematic geometry that it is a geometry representing a structure of uniform curvature yet not a geometry identified as one of the particular uniform metric geometries.
Uniform rectilinear motion relative to some physical system is the classic example; such motion may be altered or terminated altogether by imparting motion not to the material object said to be in motion but to the physical system that is used as a frame of reference.
The importance of the uniform metric structure to Whitehead is underscored by contrasting it briefly with the variable metric structure in the Einsteinian formulation of GTR.
www.religion-online.org /showarticle.asp?title=2433   (8917 words)

  
 Douglas R. White: Controlled Simulation of Marriage Systems
A uniform marriage structure is a partition P of the marriages in U, the observed population of marriages, into subgroups in which uniform probabilities of partner selection are assigned as a function of the subgroup memberships of potential pairs of partners.
Structural endogamy provides the starting point for a simpler solution to the problem of specifying marriage rules and strategies than the attributional approach because it is a concept that implies emergent social boundaries.
The p-graph is an empirical representation of the reproductive and marital structure of a population.
jasss.soc.surrey.ac.uk /2/3/5.html   (11835 words)

  
 Backfilling device and apparatus therefor - Patent 5632574
The guide structure 28 includes a plurality of rails 29 which preferably form a profile corresponding to the surface of the uniform structure buried within the ditch 2.
The guide structure 28 includes a plurality of first rollers 30 mounted on the rails 29 for facilitating the movement of the guide structure 28 along the uniform structure or pipeline 3.
The guide structure 28 may therefore follow the uniform structure or pipeline 3 within the ditch 2 as the mainframe 8 advances along the ditch 2.
www.freepatentsonline.com /5632574.html   (3576 words)

  
 Structure Tensor - Tutorial and Demonstration of the uses of structure tensors in gradient representation
For example, if the structure tensors for the sphere case and step-edge case are added, the resulting structure tensor is an elongated ellipsed along the direction of the step-edge case.
Using gradient-based structure tensors, local patterns of contours and surfaces may be inferred through a diffusion process [Nicolescu and Medioni 2003, Arseneau and Cooperstock 2006 A].
Diffusion aids to enforce local structural estimates that serve such applications as defect detection in lumber, occlusion detection in image sequences and aid in biometric identification of fingerprints [Arseneau and Cooperstock 2006 B].
www.cim.mcgill.ca /~arseneau/structureTensorTutorial   (1812 words)

  
 In-situ boron doped polysilicon with dual layer and dual grain structure for use in integrated circuits manufacturing - ...
Rapid thermal annealing is used to cause the diffusion of boron from an originally doped film to an originally undoped film, resulting in a uniform boron distribution within the structure, thereby rendering the structure resistant to vertical and lateral diffusion of the boron during subsequent processing at elevated temperatures.
The annealing process further lowers the sheet resistance of the dual layer film, produces a uniform boron distribution within the films, and causes the originally deposited amorphous film to crystallize and to be converted into a polysilicon film with larger grains arranged in a columnar grain structure.
Subsequent processing may be used to selectively remove portions of the film structure of the present invention to produce discrete sections of the polysilicon film which may serve various device functions within a semiconductor integrated circuit, such as the gate electrode for a transistor device, or various interconnect structures.
www.freepatentsonline.com /6162711.html   (5198 words)

  
 Golf club head having uniform deformation structure invention
Particularly, the present invention relates to a striking plate of the golf club head having a plurality of equal-length buffers each of which is extended from a center portion to an outer periphery on a rear surface of the striking plate.
The construction of the golf club head structure in accordance with the first embodiment of the present invention has similar configuration and same function as that of the conventional golf club head structure and detailed descriptions may be omitted.
The construction of the golf club head structure in accordance with the second embodiment of the present invention has similar configuration and same function as that of the golf club head structure of the first embodiment and detailed descriptions may be omitted.
www.freshpatents.com /Golf-club-head-having-uniform-deformation-structure-dt20060406ptan20060073906.php?type=description   (3211 words)

  
 Springer Online Reference Works
In particular, a base of the additive uniform structure of the real line is formed by all coverings by intervals of given fixed length.
A uniform structure is also called a uniform topology.
A base for a uniform structure is also called a uniformity.
eom.springer.de /A/a010720.htm   (153 words)

  
 [No title]
A uniform variable can be declared bindable, which means that the storage for the uniform is not allocated by the compiler/linker anymore, but is backed by a buffer object.
If those bindable uniforms are all of the same type, accessing a bindable uniform in program object A will result in the same data if the same access is made in program object B. This provides a mechanism for 'environment uniforms', uniform values that can be shared among multiple program objects.
Uniform variables declared as bindable can be loaded using the existing Uniform* commands, or data can be loaded in the buffer object bound to the uniform using any of the existing mechanisms.
www.opengl.org /registry/specs/EXT/bindable_uniform.txt   (4028 words)

  
 UNIFORM FEDERAL ACCESSIBILITY STANDARDS
As applied to a building or structure, means a change or rearrangement in the structural parts or elements, or in the means of egress or in moving from one location or position to another.
Structures directly associated with the actual processes of major construction, such as porto potties, scaffolding, bridging, trailers, and the like, are not included.
Structural reinforcement or other provisions that will allow installation of grab bars shall be provided in the locations shown in Fig.
www.access-board.gov /ufas/ufas-html/ufas.htm   (16439 words)

  
 rfc1738 - Uniform Resource Locators (URL)
Though slashes may indicate hierarchical structure on the server, such structure is not guaranteed.
Note that many s begin with a slash, in which case the host or port will be followed by a double slash: the slash from the URL syntax, followed by the initial slash from the .
BNF for specific URL schemes This is a BNF-like description of the Uniform Resource Locator syntax, using the conventions of RFC822, except that "" is used to designate alternatives, and brackets [] are used around optional or repeated elements.
www.faqs.org /rfcs/rfc1738.html   (6096 words)

  
 UNIFORM CODING STRUCTURE
The state's uniform coding structure is for the purpose of standardizing its fiscal reporting.
Departments may use any internal lower-level program codes and structures desired, provided that the system is capable of properly summing all costs to each of the required program levels.
Departments may use any lower-level fund structures and codes desired, provided that the system is capable of properly summing all costs to each of the required three-digit UCM fund codes or two-digit fund detail codes.
sam.dgs.ca.gov /TOC/7260/7261.htm   (635 words)

  
 Uniform space - encyclopedia article - Citizendium
As a human activity, the theory of uniform spaces is a chapter of general topology.
The topology induced by the weakest uniform structure is the weakest topology.
The topology induced by the strongest (discrete) uniform structure is the strongest (discrete) topology.
en.citizendium.org /wiki/Uniform_space   (2440 words)

  
 DNA structure: Yet another avatar?
Since this structure was observed when the molecule was fully hydrated and it also immediately suggested a possible copying mechanism for the genetic material and the semiconservative replication of DNA, it was readily accepted as being the ‘biologically relevant structure’ for DNA.
This structure was solved using very high resolution X-ray data, so it could not be ignored, which was the fate of many theoretically model-built structures, but since it was only observed under conditions of high salt, its biological relevance remained questionable and it has also been relegated to the domain of ‘interesting curiosities’.
In this structure the phosphate backbone remains on the outside, with its negative charge being neutralized by the basic groups in the coat protein assembly, but the bases in the two antiparallel strands are merely intercalated, rather than basepaired through hydrogen bonds, as in the complementary Watson–Crick double helix.
www.ias.ac.in /currsci/may10/articles9.htm   (1628 words)

  
 Committee favours uniform fee structure in professional colleges | oHERALDo   (Site not responding. Last check: )
The State Level Fee Structure Committee, which submitted its report to the government in December 2005, recommended that any increase in the fee should be gradual over a period of years.
For the Goa Institute of Management, the committee was of the opinion that though the level of fees charged by the Institute is on the lower side as compared to other institutions of similar status, a 10 per cent increase in the fee for 2006-2007 should be considered as a normal increase.
 The fee structure for the year 2005-2006, is Rs 111500 for the first three terms (first year) and for the remaining three terms (second year students) is Rs 114000.  For the year 2006-2007, the fees for the first three terms will be increased to Rs 124500 and Rs 126500 for the next three terms.
oheraldo.in /node/11837   (410 words)

  
 The Daily Star Web Edition Vol. 5 Num 736
A three-tier duty structure and abuse of bonded warehouse facilities for importing leather chemicals are affecting the country's leather sector badly, observed Bangladesh Chemical Importers and Merchant Association (BCIMA) yesterday.
Narrating the discriminatory duty structure among segments of the leather sector, Mazakat Harun Manik, secretary general of the BCIMA, said from the FY 2005-06 the government introduced a flat five percent duty on chemical import for 105 tanneries.
The association complained that taking the situation to their advantage, a certain quarter of the leather businessmen are misusing the bonded warehouse facility that to also causing revenue loss to the government.
www.thedailystar.net /2006/06/23/d60623050289.htm   (426 words)

  
 Side-illuminated target structure having uniform ring illumination (US6802131)
A circumferentially uniform ring illumination source is in contact with the transparent-medium peripheral rim.
The ring illumination source preferably is a modified optical fiber structure having a modified lateral surface in facing relation to the transparent-medium peripheral rim and having a light leakage through the modified lateral surface.
a modified optical fiber structure having a modified lateral surface in facing relation to the transparent-medium peripheral rim and having a light leakage through the modified lateral surface.
www.delphion.com /details?pn=US06802131__   (303 words)

  
 Conservation Pricing and Santa Rosa
Uniform commodity rate of $2.15/tg applicable to usage over minimum quantity, plus a minimum charge that varies depending on meter size and includes minimum quantity of water.
Three-tier rate structure with tiers of $2.95/tg (0 to 14 tg in winter and 0 to 23 tg in summer), $5.45/tg (15 to 32 tg in winter and 24 to 59 tg in summer), and $10.47/tg (over 33 tg winter and over 59 tg in summer), plus service charge that varies with meter size.
Three-tier commodity rate structure with tiers of $2.95/tg (0 to 85% of water budget), $5.45/tg (86 to 150% of water budget), and $10.47/tg (over 150% of water budget), plus service charge that varies depending on meter size.
ci.santa-rosa.ca.us /wc/rate_study.asp   (7907 words)

  
 The anisotropic seismic structure of the East European platform
The model has a positive velocity gradient from 41 km to 100 km depth, and a relatively uniform velocity structure from 100 km to 200 km depth with high SH and PH velocities (4.77 km/s, 8.45 km/s).
Shear anisotropy is uniform at 5% (βH > βV) from 41 to 200 km depth, drops to 2% from 200 to 250 km and is isotropic below that.
The average shear velocity from 100 to 250 km is also uniform at 4.65 km/s and the drop in anisotropy is matched by a drop in βH to 4.70 km/s combined with an increase in βV to 4.60 km/s.
www.agu.org /pubs/crossref/2004/2001JB000623.shtml   (365 words)

  
 Ram Jack Foundation Repair Systems
Providing uniform soil moisture next to and under your foundation is the single best thing you can have to reduce or minimize the effect expansive soil movements have on your structure.
Uniform changes in soil moisture are less damaging to your structure than localized changes.
Gradual and uniform rise in soil moisture under foundation may lead to gradual heave of structure.
www.ramjacksystems.com /guide.asp   (1185 words)

  
 Uniform tax structure for liquor in India Uniform tax structure for liquor in India
Uniform tax structure for liquor in India Uniform tax structure for liquor in India
The Union government is considering a uniform tax on liquor across India, which will result in products being sold at the same retail price anywhere in India.
It is not clear what sops or incentives will be demanded by the states that will lose money if they move to a uniform tax for liquor because their existing levies are at a much higher level.
www.cainindia.org /news/6_2008/uniform_tax_structure_for_liquor_in_india.html   (240 words)

  
 Intermolecular forces and the structure of uniform and nonuniform fluids.
Intermolecular forces and the structure of uniform and nonuniform fluids.
This idea was used directly in the WCA theory of uniform liquids, where the structure of the liquid is approximated by that of a simpler reference fluid with purely repulsive intermolecular forces.
Using simulations, we provide a quantitative test of the accuracy of both methods for the uniform fluid at different points in the phase diagram by relating correlation functions in the uniform fluid to those in a nonuniform fluid with a particle fixed at the origin.
www.glue.umd.edu /~jdw/widomgalley.html   (166 words)

  
 A Uniform International Sales Law Terminology
"The selection of uniform rules and uniform laws is not enough, as this does not ensure their uniform application, without which the purpose of establishing uniform law is largely defeated."[10] Attainment of this goal would increase reliance on the law in the world of practice.
Uncontrolled vocabularies lack structure and do not provide a mechanism to deal with the challenges that exist in the creation of a multilingual, international vocabulary, a vocabulary that must be released from the confines of domestic legal connotations.
The uniform language in the headnote and syllabus are supposed to compensate for the imprecision of the judicial author.
www.cisg.law.pace.edu /cisg/biblio/rogers2.html   (11831 words)

  
 Journal of Hydroinformatics (2004) 101-108 Rodney J. Sobey - Lateral structure of uniform flow   (Site not responding. Last check: )
The concept of uniform flow is traditionally associated with a cross-section-integrated description of channel flow.
The ensuing lateral structure of the depth-integrated flow is investigated at uniform flow.
The steady state ordinary differential equation for the lateral structure is established, along with the formulation as a boundary value problem.
www.iwaponline.com /jh/006/jh0060101.htm   (137 words)

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