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Topic: Quiver diagram

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  Incoming Signals: A Weblog
• A diagram of the anatomy of a coelacanth.
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  Quiver (mathematics) - Wikipedia, the free encyclopedia
In mathematics, a quiver is a directed graph where loops and multiple arrows between two vertices are allowed.
They are commonly used in representation theory: a representation of a quiver assigns a vector space to each vertex of the quiver and a linear map to each arrow.
If K is a field and Γ is a quiver, then the quiver algebra or path algebra KΓ is defined as follows: it is the vector space having all the paths in the quiver as basis; multiplication is given by composition of paths.
en.wikipedia.org /wiki/Quiver_(mathematics)   (228 words)

 Quiver diagram - Wikipedia, the free encyclopedia
== Headline text In physics, a quiver diagram is a graph representing the matter content of a gauge theory that describes D-branes on orbifolds.
The relevance of quiver diagrams for string theory was pointed out and studied by Michael Douglas and Greg Moore.
While string theorists use the words "quiver diagram", many of their colleagues in particle physics call these diagrams "mooses".
en.wikipedia.org /wiki/Quiver_diagram   (122 words)

 [No title]
ADP data is used to generate timeseries, histograms, quiver diagrams, progressive vector diagrams, and scatter plots of specified bins.
Quiver diagrams are generated using bin 1, 5, 10, 15, 20, 25, and 30.
Diagrams are generated showing monthly data, yearly data, and comparing data for specific months for multiple years, and showing the complete data.
www.ccalmr.ogi.edu /~cseaton/tmp/process_clim_img.html   (1486 words)

 Quiver - TheBestLinks.com - Bronze Age, Crossbow, Glue, Horse, ...
A quiver is a container for arrows, crossbow bolts or darts, such as those fired from a bow, crossbow or blowgun.
A quiver may have different forms depending on where it is to be used: quivers could hang from an archer's belt, from the saddle of a horse or be worn on the back (as most often done in Robin Hood films).
Many quivers had lids to protect the arrows from rain, which could potentially ruin them (for example by affecting the glue holding the fletching in place).
www.thebestlinks.com /Quiver.html   (211 words)

 Diagram Encyclopedia   (Site not responding. Last check: 2007-10-22)
A diagram is a simplified and structured visual representation of concepts, ideas, constructions, relations, statistical data, anatomy etc used in all aspects of human activities to visualize and clarify the topic.
Sentence diagram -- represents the grammatical structure of a natural language sentence.
Movement diagram and "end-feel" reliability when measuring passive lateral rotation of the shoulder in patients with shoulder pathology.
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 quiver - OneLook Dictionary Search
quiver : The American Heritage® Dictionary of the English Language [home, info]
QUIVER : 1911 edition of the Encyclopedia Britannica [home, info]
Words similar to quiver: chill, flicker, flitter, flutter, frisson, palpitation, quake, quivered, quivering, quiveringly, shakiness, shaking, shiver, shudder, thrill, tingle, trembling, tremor, vibration, waver, more...
www.onelook.com /?w=quiver&ls=a   (274 words)

 The Nitpickers Site: Movie Nitpick - Red Dragon - 2002
The quiver and arrows fall to the floor and land in the recessed area 4.
As Lecter stands up in pain at 8:15, the quiver and two remaining arrows are visible in front of the protruding portion of the bookcase next to Graham's right shin and left foot (his right leg is straight, knee at 2; his left leg is bent), near position 1-2.
This is a sloppily shot and nitpickable scene and it asks that viewers believe that Graham removed the arrows and moved the quiver with one hand with Lecter kneeling over him and that he moved himself about 3 feet along the floor rather than pulling his gun immediately.
www.nitpickers.com /movies/nitpick.cgi?np=48884   (1342 words)

 Atlas: Representations of a quiver with automorphism by Andrew Hubery   (Site not responding. Last check: 2007-10-22)
In [Kac], Kac proved that the dimension vectors of indecomposable representations of a quiver are precisely the positive roots of the associated symmetric Kac-Moody Lie algebra.
We show that the dimension vectors of the ii-indecomposables are precisely the positive roots of the associated symmetrisable Kac-Moody Lie algebra, and that over a finite field, the number of isomorphism classes of absolutely ii-indecomposables is polynomial in the size of the field.
By analysing these polynomials for the affine quivers, we conjecture that the constant terms are given by the weight multiplicities of a naturally occurring integrable module for the symmetrisable Lie algebra - namely the fixed point subalgebra of a quiver under a diagram automorphism.
atlas-conferences.com /cgi-bin/abstract/caju-33   (329 words)

 Homologisk Algebra - Høst 2005
Many of these constructions are given explicitely for quiver representations, so besides learning about the theory of these constructions we will gain some practise in handling them.
We give explicite constructions in the case of quiver representations, but consider also modules over the integers and the polynomial ring.
Diagrams help to handle several such sequences and to compute homology groups.
www.math.fau.edu /schmidme/homologisk-algebra.html   (358 words)

 Discrete Maths at UBC
Formulas for quiver varieties: A quiver variety is a general type of degeneracy locus associated to a quiver of vector bundles and bundle maps over a variety.
I have proved a formula for the Grothendieck class of a quiver variety when the underlying quiver is equioriented of type A.
Knutson, Miller, and Shimozono have shown that the lowest degree coefficients, which describe the cohomology class of the quiver variety, are non-negative.
www.math.ubc.ca /~steph/spring2005.html   (1086 words)

 Research of Michael Barot   (Site not responding. Last check: 2007-10-22)
Definition of quiver, representation of a quiver and a morphism between two representations.
The problem is explained and studied in three examples: the linear quiver, the loop and the three Kronecker.
It is shown, how to associate a Dynkin diagram to a connected non-negative unit form and that this Dynkin diagram, called the Dynkin type, together with the corank of the form define its equivalence class.
www.matem.unam.mx /barot/research.html   (849 words)

 The Legend of Zelda: Majora's Mask Mask Town Shooting Gallery Guide - IGN FAQs
This will allow you to carry either; forty arrows, (if this is your first quiver upgrade), or fifty arrows, (if you already have the first upgrade, from the Shooting Gallery on the road to the Southern Swamp).
This diagram shows the name of each space, for example, the top-right space is called C1.
On this diagram, the Red Octarok is in B2 and the Blue Octarok is in A3, while A1, B1, C1, A2, C2, B3 and C3 are empty, got it?
faqs.ign.com /articles/369/369322p1.html   (2397 words)

 E8 quiver gauge theory and mirror symmetry
quiver diagram, is identical to the generalised Coulomb branch of a four-dimensional superconformal strongly coupled gauge theory with E
This series of equivalences suggests the existence of a mirror symmetry between the quiver theories and the strongly coupled theories.
We also discuss how to interpret the parameters of the quiver gauge theory in terms of the Hanany-Witten picture.
stacks.iop.org /1126-6708/2001/i=05/a=021   (320 words)

 The Reference Frame: Littlest Higgs model & deconstruction
This diagram - being identified with the theory space - is called a "moose diagram" by the phenomenologists and a "quiver diagram" by the string theorists and mathematicians.
For the simplest and most supersymmetric quiver diagrams, one can prove by T-duality that deconstruction leads, in the continuum limit, to the higher-dimensional gauge theories.
Although these six-dimensional theories were always very mysterious and no simple "Lagrangian" description is available, we can define them as pretty ordinary four-dimensional gauge theories with a lattice-like quiver diagram in the limit in which the vevs and the density of the quiver diagram goes to infinity in the right ways.
motls.blogspot.com /2005/03/littlest-higgs-model-deconstruction.html   (6715 words)

 AMCA: Representations of valued quivers and finite group actions by Zongzhu Lin   (Site not responding. Last check: 2007-10-22)
Tanisaki studied the representations of quivers with a finite group action and determined when the category of all G -invariant representations to be of finite type and the indecomposable representations are exactly those corresponding to the positive roots of the root system of a finite dimensional complex semisimple Lie algebra.
Each valued quiver can be realized as a quotient quiver of a quiver with a finite abelian group G action.
Under this correspondence, the category of representations of the valued quiver and the category of G -invariant representations of the quiver \Gamma.
at.yorku.ca /c/a/f/e/53.htm   (307 words)

 A Note on RCFT and Quiver Reps | The String Coffee Table
Field theorists call such graphs quivers (or “mooses”) when they are interested in susy gauge theory, because quivers can be taken to encode certain field content in such theories.
More precisely, every vertex of the quiver is identified with a type of D-brane, while every edge of the quiver is identified with a species of string (topological string, usually) stretching between the types of D-branes corresponding to the source and target vertex of the edge.
This is essentially a functor from the quiver (regarded as a category) to vector spaces.
golem.ph.utexas.edu /string/archives/000794.html   (1389 words)

 Business Process Improvement templates
Value Stream Mapping, (the most popular Lean tool), is a "10,000 foot level" tool used to design your production environments for continuous flow - as free as possible from the various forms of waste (muda).
The Layout Diagram template can be used for simple floor planning purposes, but it really shines as a spaghetti mapping tool for Lean process improvement.
The Standard Work Combination Sheet is arguably the most important of all Lean Kaizen tools - because this is where "the rubber meets the road".
systems2win.com /solutions/BPI.htm   (745 words)

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