Results 81 to 86 of about 980 (86)
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Mini-Workshop: PBW Structures in Representation Theory

, 2016
The PBW structures play a very important role in the Lie theory and in the theory of algebraic groups. The importance is due to the huge number of possible applications.
E. Feigin, G. Fourier, M. Lanini
semanticscholar   +1 more source

Arakelov theory of the Lagrangian Grassmannian

, 1999
Let E be a symplectic vector space of dimension 2n (with the standard antidiagonal symplectic form) and let G be the Lagrangian Grassmannian over SpecZ, parametrizing Lagrangian subspaces in E over any base field.
Harry Tamvakis
semanticscholar   +1 more source

Decomposable Skew-Symmetric Functions

, 2003
A skew-symmetric function F in several variables is said to be decomposable if it can be represented as a determinant det(fi(xj)) where fi are univariate functions. We give a criterion of the decomposability in terms of a Plücker-type identity imposed on
S. Duzhin
semanticscholar   +1 more source

On the algebraic decomposition of a centralizer algebra of the hyperoctahedral group


In this paper we give a combinatorial rule for the decomposition of tensor powers of the signed permutation representation of the hyperoctahedral group. We then use this rule to describe the Bratteli diagram of a centralizer algebra of this group over k ...
R. Orellana
semanticscholar   +1 more source

MR 2944715 Reviewed Zhu S. On the recursion formula for double Hurwitz numbers. Proceedings of the American Mathematical Society (2012) 140, no. 11, 3749--3760. (Reviewer Francesca Vetro) 14H30 (05E05 14H10)

2013
Let $\mu = (\mu_{1}, \mu_{2}, \ldots, \mu_{m})$ and $\nu = (\nu_{1}, \nu_{2}, \ldots, \nu_{n})$ be two partitions of a positive integer $d$. In this paper, the author considers degree $d$ branched coverings of $\mathbb{P}^{1}$ with at most two special points, $0$ and $\infty$.
openaire   +1 more source

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