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48 results for symmetric webs

Computes entanglement entropy using Chern-Simons theory and symmetric webs.

problem Determining if a product state implies unlinked components.
method Using symmetric webs to compute colored link invariants and write multi-partite entangled states.
result Written down multi-partite entangled states of any given link.

We prove that any planar 4-web defines a unique projective structure in the plane in such a way that the leaves of the foliations are geodesics of this projective structure. We also find conditions for the projective structure mentioned above to contain an affine symmetric connection, and conditions for a planar 4-web …

2008-10-30abs ↗pdf ↗

A graph connects Specht and web bases; matrix is unipotent with vanishing entries.

problem Comparing two bases of irreducible representations of the symmetric group.
method Graph theory and combinatorial analysis to describe relations between bases and prove properties of the transition matrix.
result The transition matrix between Specht and web bases is unipotent with additional vanishing entries.

Study spider evaluations and web group representations using algebraic topology.

problem Evaluate and represent the topology of web groups using algebraic methods.
method Analyze the fundamental groups of planar webs, associate irreducible components and graded subalgebras, and use Poincaré polynomials.
result Spider evaluations correspond to symmetrized Poincaré polynomials of associated graded subalgebras.

We define and study the category of symmetric sl2\mathfrak{sl}_2-webs. This category is a combinatorial description of the category of all finite dimensional quantum sl2\mathfrak{sl}_2-modules. Explicitly, we show that (the additive closure of) the symmetric sl2\mathfrak{sl}_2-spider is (braided monoidally) equivalent to …

2015-01-05abs ↗pdf ↗

We prove that there is a correspondence between projective structures defined by torsion-free connections with skew-symmetric Ricci tensor and Veronese webs on a plane. The correspondence is used to characterise the projective structures in terms of second order ODEs.

2013-03-20abs ↗pdf ↗

Solutions of an implicit ODE form a web. Already for cubic ODEs the 3-web of solutions has a nontrivial local invariant, namely the curvature form. Thus any local classification of implicit ODEs necessarily has functional moduli if no restriction on the class of ODEs is imposed. Here the most symmetric case of hexagona…

2008-08-04abs ↗pdf ↗

Categorifies symmetric link invariants using foam technology.

problem Categorify symmetric link invariants using slN\mathfrak{sl}_N-webs.
method Finite dimensional categorification of symmetric evaluation of slN\mathfrak{sl}_N-webs using foam technology.
result Categorifies symmetric link invariants, providing a spectral sequence from Khovanov-Rozansky to symmetric.

We study natural bases for two constructions of the irreducible representation of the symmetric group corresponding to [n,n,n][n,n,n]: the {\em reduced web} basis associated to Kuperberg's combinatorial description of the spider category; and the {\em left cell basis} for the left cell construction of Kazhdan and Lusztig. I…

2013-07-24abs ↗pdf ↗

In this paper we use Kuperberg's sl3\mathfrak{sl}_3-webs and Khovanov's sl3\mathfrak{sl}_3-foams to define a new algebra KSK^S, which we call the sl3\mathfrak{sl}_3-web algebra. It is the sl3\mathfrak{sl}_3 analogue of Khovanov's arc algebra. We prove that KSK^S is a graded symmetric Frobenius algebra. Furthermore, we cate…

2012-06-11abs ↗pdf ↗

We use super qq-Howe duality to provide diagrammatic presentations of an idempotented form of the Hecke algebra and of categories of glN\mathfrak{gl}_N-modules (and, more generally, glNM\mathfrak{gl}_{N|M}-modules) whose objects are tensor generated by exterior and symmetric powers of the vector representations. As an ap…

2015-04-20abs ↗pdf ↗

We find an invariant characterization of planar webs of maximum rank. For 4-webs, we prove that a planar 4-web is of maximum rank three if and only if it is linearizable and its curvature vanishes. This result leads to the direct web-theoretical proof of the Poincaré's theorem: a planar 4-web of maximum rank is lineari…

2006-05-04abs ↗pdf ↗

We prove that the colored HOMFLY polynomial of a link, colored by symmetric or exterior powers of the fundamental representation, is q-holonomic with respect to the color parameters. As a result, we obtain the existence of an (a,q) super-polynomial of all knots in 3-space. Our result has implications on the quantizatio…

2012-11-27abs ↗pdf ↗

Classifies hexagonal circular 3-webs with cubic polar curves.

problem Classifying hexagonal circular 3-webs with algebraic polar curves of degree three.
method Analyzes hexagonal circular 3-webs on unit sphere with polar points on a twisted cubic.
result Completes the classification of hexagonal circular 3-webs with algebraic polar curves of degree three.

We construct flat 3-webs via semi-simple geometric Frobenius manifolds of dimension three and give geometric interpretation of the Chern connection of the web. These webs turned out to be biholomorphic to the characteristic webs on the solutions of the corresponding associativity equation. We show that such webs are he…

2011-08-09abs ↗pdf ↗

We give various results and applications using the connection (E,)(E,\nabla) associated with a dd-web. Precisely, we exhibit fundamental invariants of the web related to the differential equation of first order which presents the web. They cast some new lights on the connection and its construction, both conceptually an…

2007-02-12abs ↗pdf ↗

We investigate the linearizability problem for different classes of 4-webs in the plane. In particular, we apply a recently found in [AGL] the linearizability conditions for 4-webs in the plane to confirm that a 4-web MW (Mayrhofer's web) with equal curvature forms of its 3-subwebs and a nonconstant basic invariant is …

2002-09-22abs ↗pdf ↗

In the present paper we study geometric structures associated with webs of hypersurfaces. We prove that with any geodesic (n+2)-web on an n-dimensional manifold there is naturally associated a unique projective structure and, provided that one of web foliations is pointed, there is also associated a unique affine struc…

2008-12-11abs ↗pdf ↗

Projective invariants described for 3-web geometry, resolving Gronwall's conjecture.

problem Projective invariants of linear 3-webs and resolving Gronwall's conjecture.
method Projective torsion-free Cartan connections, web leaves as geodesics, algorithm for resolving Gronwall's conjecture.
result Resolved Gronwall's conjecture for specific 3-webs.

Much information available on the web is copied, reused or rephrased. The phenomenon that multiple web sources pick up certain information is often called trend. A central problem in the context of web data mining is to detect those web sources that are first to publish information which will give rise to a trend. We p…

2012-06-27abs ↗pdf ↗

In this paper we study the linearizability problem for 3-webs on a 2-dimensional manifold. With an explicit computation based on the theory developed in the paper "On the linearizability of 3-webs" (Nonlinear analysis 47, (2001) pp. 2643-2654), we examine a 3-web whose linearizability was claimed in the same paper. We …

2006-02-23abs ↗pdf ↗

Veronese webs appear as the natural way of passing to the quotient of curves in the projective space. In thi paper, we give the link between classical multidimensionnal webs and veronse webs by mean of interpolation.

2004-08-18abs ↗pdf ↗

In this paper, we reconstruct Kuperberg's G2G_2 web space. We introduce a new web (a trivalent diagram) and new relations between Kuperberg's web diagrams and the new diagram. Using the G2G_2 webs, we define crossing formulas corresponding to R-matrices associated to some G2G_2 irreducible representations and calculate…

2015-03-29abs ↗pdf ↗

Gronwall conjecture states that a planar 3-web which admits more than one distinct linearization is locally equivalent to an algebraic web. We give a partial answer to the conjecture in the affirmative for the class of planar 3-webs with the web curvature that vanishes to order three at a point. The differential relati…

2011-02-01abs ↗pdf ↗

We find relative differential invariants of orders eight and nine for a planar nonparallelizable 3-web such that their vanishing is necessary and sufficient for a 3-web to be linearizable. This solves the Blaschke conjecture for 3-webs. As a side result, we show that the number of linearizations in the Gronwall conject…

2004-11-21abs ↗pdf ↗

The Gronwall conjecture states that a planar 3-web of foliations which admits more than one distinct linearizations is locally equivalent to an algebraic web. We propose an analogue of the Gronwall conjecture for the 3-web of foliations by Legendrian curves in a contact three manifold. The Legendrian Gronwall conjectur…

2012-02-29abs ↗pdf ↗

We study non-flat planar 3-webs with infinitesimal symmetries. Using multi-dimensional Schwarzian derivative we give a criterion for linearization of such webs and present a projective classification thereof. Using this classification we show that the Gronwall conjecture is true for 3-webs admitting infinitesimal symme…

2014-11-04abs ↗pdf ↗

Study on ruled surfaces over elliptic curves with unique foliations and parallelizable 4-webs.

problem Characterizing the geometry of ruled surfaces over elliptic curves.
method Analysis of foliations, minimal self-intersection sections, and 2-webs.
result The 4-web defined by fibration, foliation, and minimal self-intersection sections is locally parallelizable.

In the present paper we define Samuelson's webs and their rank. The main result of the paper is the proof that the rank of the Samuelson webs does not exceed 6, as well as finding the conditions under which this rank is maximal for the general Samuelson webs as well as for their singular cases.

2009-09-03abs ↗pdf ↗