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Topic: Anyonic Lie algebra


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In the News (Thu 31 Dec 09)

  
  Lie algebra -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-09)
Therefore, Lie algebras are not (Jewelry consisting of a circlet of precious metal (often set with jewels) worn on the finger) rings or (additional info and facts about associative algebra) associative algebras in the usual sense, although much of the same language is used to describe them.
A subalgebra of the Lie algebra g is a (additional info and facts about linear subspace) linear subspace h of g such that [x, y] ∈ h for all x, y ∈ h.
An ideal of the Lie algebra g is a subspace h of g such that [a, y] ∈ h for all a ∈ g and y ∈ h.
www.absoluteastronomy.com /encyclopedia/L/Li/Lie_algebra.htm   (1373 words)

  
 lie algebra   (Site not responding. Last check: 2007-10-09)
The vector space of left-invariant vector fields on a Lie group is closed under this operation and is therefore a finite dimensional Lie algebra.
A subalgebra of the Lie algebra g is a linear subspace h of g such that [x, y] ∈ h for all x, y ∈ h.
The ideals are precisely the kernels of homomorphisms, and the fundamental theorem on homomorphisms is valid for Lie algebras.
www.yourencyclopedia.net /Lie_algebra.html   (1073 words)

  
 iqexpand.com   (Site not responding. Last check: 2007-10-09)
Lie algebras were introduced to study the concept of infinitesimal transformations.
Therefore, Lie algebras are not rings or associative algebras in the usual sense, although much of the same language is used to describe them.
This is the Lie algebra of the infinite-dimensional Lie group of diffeomorphisms of the manifold.
lie_algebra.iqexpand.com   (1494 words)

  
 Lie superalgebra - TheBestLinks.com - Boson, Characteristic, Field (mathematics), Fermion, ...   (Site not responding. Last check: 2007-10-09)
In mathematics, a Lie superalgebra is a kind of generalisation of a Lie algebra.
Lie superalgebras are important in theoretical physics where they are used to describe the mathematics of supersymmetry.
Lie superalgebra is a complex Lie superalgebra equipped with an involutive antilinear map from itself to itself which respects the Z
www.thebestlinks.com /Lie_superalgebra.html   (308 words)

  
 hopf algebra   (Site not responding. Last check: 2007-10-09)
If, in addition, G is a Lie group, it has a Lie algebra g.
Its universal enveloping algebra can be turned into a Hopf algebra by εx=0, Δx=x⊗1+1⊗x and Sx=-x for all elements of the Lie algebra.
There's an injective homomorphism from this Hopf algebra to the Hopf algebra of convolutions over G such that the image of this homomorphism is the subalgebra generated by the Dirac delta distribution and its derivatives over the identity of G. See also superalgebra, anyonic Lie algebra
www.yourencyclopedia.net /hopf_algebra.html   (316 words)

  
 Lie algebra   (Site not responding. Last check: 2007-10-09)
Also note that the multiplication represented by the Lie bracket is not in general associative, that is,
Another important example of a Lie algebra comes from differential topology: the smooth vector fields on a differentiable manifold form an infinite dimensional Lie algebra when equipped with the Lie derivative as the Lie bracket.
The Lie derivative identifies a vector field X with a partial differential operator acting on any smooth scalar field f by letting X(f) be the directional derivative of f in the direction of X.
www.worldhistory.com /wiki/L/Lie-algebra.htm   (1219 words)

  
 Workshop 2004
Various quantities arising in the representation theory of quantum affine algebras or affine Hecke algebras are known to be related to intersection cohomologies of closures of nilpotent orbits of linear quivers (or cyclic quivers in the root of unity case).
It is well known that the restriction of a finite-dimensional irreducible representation of the symplectic Lie algebra $sp(2n)$ to the subalgebra $sp(2m)$ with $m \lt n$ need not be multiplicity-free.
Approximation by Lie groups is used to deal with the connected factor of $G$ and new techniques that parallel Lie theory are used to deal with the totally disconnected factor.
www.maths.uq.edu.au /cmp/Workshops/Abstracts_2004.html   (5299 words)

  
 Citebase - Remarks on Finite W Algebras
When G=sp(2,R) or sp(4,R), the anyonic parameter can be seen as the eigenvalue of a W generator in such W representations of G. The generalization of such properties to the affine case is also discussed in the conclusion, where an alternative of the Wakimoto construction for sl(2) level k is briefly presented.
Then, finite W algebras are recognized in the Heisenberg quantization recently proposed by Leinaas and Myrheim, for a system of two identical particles in d dimensions.
The property of some finite W-algebras to appear as the commutant of a particular subalgebra in a simple Lie algebra G is exploited for the obtention of new G-realizations from a "canonical" differential one.
www.citebase.org /cgi-bin/citations?id=oai:arXiv.org:hep-th/9612070   (1134 words)

  
 Citebase - q-def oscillator associated with Calogero model and its q-coherent state
The algebraic structure of the Green's ansatz is analyzed in such a way that its generalization to the case of q-deformed para-Bose and para-Fermi operators is becoming evident.
To this end the underlying Lie (super)algebraic properties of the parastatistics are essentially used.
We consider a problem which may be viewed as an inverse one to the Schwinger realization of Lie algebra, and suggest a procedure of deforming the so-obtained algebra.
citebase.eprints.org /cgi-bin/citations?id=oai:arXiv.org:hep-th/9312205   (817 words)

  
 Citebase - Solutions Of The Yang-baxter Equations From Braided-Lie Algebras And Braided Groups
We show that the bicovariant first order differential calculi on a factorisable semisimple quantum group are in 1-1 correspondence with irreducible representations V of the quantum group enveloping algebra.
is the quantum tangent space (or quantum Lie algebra in the sense of Woronowicz) of a bicovariant first order differential calculus over a coquasitriangular Hopf algebra (A,r), then a certain extension of it is a braided Lie algebra in the category of A-comodules.
Braided groups and braided matrices are novel algebraic structures living in braided or quasitensor categories.
citebase.eprints.org /cgi-bin/citations?id=oai:arXiv.org:hep-th/9312140   (1155 words)

  
 Anyonic Lie algebra -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-09)
Anyonic Lie algebra -- Facts, Info, and Encyclopedia article
An anyonic Lie algebra is a U(1) graded (additional info and facts about vector space) vector space L over C equipped with a bilinear operator [.,.] and (additional info and facts about linear) linear (A diagrammatic representation of the earth's surface (or part of it)) maps ε:L->C and Δ:L->L⊗L satisfying
(additional info and facts about Lie algebra) Lie algebra
www.absoluteastronomy.com /encyclopedia/a/an/anyonic_lie_algebra.htm   (94 words)

  
 hyhperfinite II1 von Neumann algebra Clifford algebra   (Site not responding. Last check: 2007-10-09)
A von Neumann algebra of "localised observables" is postulated for each bounded region of space-time.
The algebras act simultaneously on some Hilbert space which carries a unitary representation of the Poincare (=Lorentz plus 4-d translations) group.
Using actions of free groups it is easy to construct families of subfactors with the same standard invariant, and an unpublished result of Popa implies that even the simplest case (the "Temperley-Lieb" algebra in planar algebra terminology) is not always obtainable from a hyperfinite subfactor.
www.valdostamuseum.org /hamsmith/ClifTensorGeom.html   (2483 words)

  
 Remarks On Finite W Algebras (ResearchIndex)   (Site not responding. Last check: 2007-10-09)
When G ' sp(2; R) or sp(4; R), the anyonic parameter can be seen as the eigenvalue of a W generator in such W representations of G. The generalization of such...
1 realization of Lie algebras: Application to so (context) - Barbarin, Ragoucy et al.
Anyonic Realization of the Quantum Affine Lie Algebras - Frappat, Sciarrino, Sciuto,..
citeseer.ist.psu.edu /barbarin96remarks.html   (249 words)

  
 hopf algebra
The other Hopf algebra we can construct is the convolution product algebra of distributions over G. This time, the action of this Hopf algebra upon noncommutative spaces is as a left (right) module.
Abstract: "Structure of the Lodat-Ronco Hopf Algebra of Trees", w/ M. Aguiar
Abstract: "Structure of the Malvenuto-Reutenauer Hopf Algebra of...
www.fact-library.com /hopf_algebra.html   (265 words)

  
 Citebase - Fractional Spin through Quantum Affine Algebra $\hat A(n)$ and quantum affine superalgebra $\hat A(n,m)$
\frac{\rm 2π i}{\rm k}} limit, the fractional decomposition of the quantum affine algebra \hat A(n) and the quantum affine superalgebra \hat A(n,m) are found.
This decomposition is based on the oscillator representation and can be related to the fractional supersymmetry and k-fermionic spin.
We establish also the equivalence between the quantum affine algebra \hat A(n) and the classical one in the fermionic realization.
www.citebase.org /cgi-bin/citations?id=oai:arXiv.org:hep-th/0010267   (551 words)

  
 [No title]   (Site not responding. Last check: 2007-10-09)
------------------------------------------------------------------------------ \\ Paper: hep-th/9511013 From: frappat@lapphp0.in2p3.fr Date: Thu, 2 Nov 95 17:40:52 MET (12kb) Title: Anyonic Realization of the Quantum Affine Lie Algebra U_q(A_N) Authors: L. Frappat, A. Sciarrino, S. Sciuto, P. Sorba Comments: 13p LaTeX Document (should be run twice) Report-no: ENSLAPP-AL-552/95, DSF-T-40/95, DFTT-60/95 Subj-class: High Energy Physics - Theory; Quantum Algebra Journal-ref: Phys.Lett.
B369 (1996) 313-324 \\ We give a realization of quantum affine Lie algebra $U_q(\hat A_{N-1})$ in terms of anyons defined on a two-dimensional lattice, the deformation parameter $q$ being related to the statistical parameter $\nu$ of the anyons by $q = e^{i\pi\nu}$.
In the limit of the deformation parameter going to one we recover the Feingold-Frenkel fermionic construction of undeformed affine Lie algebra.
www.thphys.uni-heidelberg.de /cgi-bin/abstracts/hep-th:9511013   (118 words)

  
 Dictionary on Lie Superalgebras (ResearchIndex)   (Site not responding. Last check: 2007-10-09)
0.7: Primeness of the Enveloping Algebra of Hamiltonian Superalgebras - Wilson
0.6: Primeness Of The Enveloping Algebra Of A Cartan Type Lie..
Remarks On Finite W Algebras - Barbarin, Ragoucy, Sorba (1996)
citeseer.ist.psu.edu /frappat96dictionary.html   (96 words)

  
 Automorphism: Insights on presentation   (Site not responding. Last check: 2007-10-09)
So an automorphism is a group G to...
There is particular interest on the interplay between model...
3.15 Zaitsev, Lie group structures on CR automorphism groups 3.15-4.00 Bridson, Non-positive curvature, fibre products, and a problem of Grothendieck 4.00-4.30 Coffee/tea 4.30-5.15 Dehornoy, The group...
grouppresentation.simppresentation.com /automorphism   (925 words)

  
 Math arXiv: Search results   (Site not responding. Last check: 2007-10-09)
q-alg/9609033 Anyonic Realization of the Quantum Affine Lie Superalgebra U_q(A(M,N)^{(1)}).
q-alg/9607023 Anyonic Realization of the Quantum Affine Lie Algebras.
hep-th/9511013 Anyonic Realization of the Quantum Affine Lie Algebra U_q(A_N).
front.math.ucdavis.edu /author/Sciarrino-A*   (151 words)

  
 To Be Announced
On the other hand, in the Never-Shorts-Random formalism, the currents coupling to the 2D supergravity fields form a Sugrawara algebra (or ``caffine Lie algebra''), with a simpler set of ghosts.
Furthermore, if the bosonic theory is not only supersymmetrized, but also superconducted, it becomes anyonic, producing some anyones, a few someones, and lots of everyones, but no noones
We thank the organizers for inviting us to speak.
insti.physics.sunysb.edu /~siegel/parodies/2b.html   (1520 words)

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