Algebras of Functions on Quantum Groups: Part I by Leonid I. Korogodski PDF

By Leonid I. Korogodski

ISBN-10: 0821803360

ISBN-13: 9780821803363

The booklet is dedicated to the research of algebras of services on quantum teams. The authors' method of the topic is predicated at the parallels with symplectic geometry, permitting the reader to take advantage of geometric instinct within the conception of quantum teams. The e-book comprises the idea of Poisson Lie teams (quasi-classical model of algebras of features on quantum groups), an outline of representations of algebras of capabilities, and the speculation of quantum Weyl teams. This ebook can function a textual content for an creation to the idea of quantum teams.

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Additional info for Algebras of Functions on Quantum Groups: Part I

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3 Pure braid groups 23 Fig. 11. The braid Δ5 Proof. The braid Δn can be obtained from the trivial braid 1n by a half-twist achieved by keeping the top of the braid fixed and turning over the row of the lower ends by an angle of π. 11 for a diagram of Δ5 . The braid θn = Δ2n can be obtained from the trivial braid 1n by a full twist achieved by keeping the top of the braid fixed and turning over the row of the lower ends by an angle of 2π. We have π(Δn ) = (n, n − 1, . . , 1) ∈ Sn . Hence θn ∈ Pn .

The theory of braids from the viewpoint of configuration spaces was first studied by Fox and Neuwirth [FoN62] and Fadell and Neuwirth [FaN62]. 4 are taken from [FaN62]. The interpretation of Cn (R2 ) in terms of polynomials was pointed out by Arnold [Arn70]. 3 was established by Tietze [Tie14] and Alexander [Ale23b]. 35 is due to Birman [Bir69a]. 40 is due to Artin [Art47a]. 5 are due to Artin [Art25], [Art47b]. 8 are due to Gorin and Lin [GL69]; see also [Lin96]. 7 is due to Gorin. 10 is due to Kassel and Reutenauer [KR07] (see also [Gas62] and [GL69] for a proof of the freeness of the kernel of B4 → B3 ).

If M has a smooth structure, then any geometric link in M is isotopic to a geometric link whose underlying 1-dimensional manifold is a smooth submanifold of M . Therefore working with links in smooth 3-dimensional manifolds, we can always restrict ourselves to smooth representatives. 2 Link diagrams The technique of braid diagrams discussed in Chapter 1 can be extended to links. We shall restrict ourselves to the case in which the ambient 3-manifold is the product of a surface Σ (possibly with boundary ∂Σ) with I.

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Algebras of Functions on Quantum Groups: Part I by Leonid I. Korogodski


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