Search Results - "Wagemann, Friedrich"

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  1. 1

    Enhanced Leibniz Algebras: Structure Theorem and Induced Lie 2-Algebra by Strobl, Thomas, Wagemann, Friedrich

    Published in Communications in mathematical physics (01-05-2020)
    “…An enhanced Leibniz algebra is an algebraic struture that arises in the context of particular higher gauge theories describing self-interacting gerbes. It…”
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  2. 2

    Cohomology of Leibniz Algebras by Wagemann, Friedrich

    “…This is a survey on new developments in the cohomology of Leibniz algebras for the Deutsche Mathematiker Vereinigung. We will mainly report on results with…”
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  3. 3

    A cocycle model for topological and Lie group cohomology by WAGEMANN, FRIEDRICH, WOCKEL, CHRISTOPH

    “…We propose a unified framework in which the different constructions of cohomology groups for topological and Lie groups can all be treated on an equal footing…”
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  4. 4

    Lie rackoids integrating Courant algebroids by Laurent-Gengoux, Camille, Wagemann, Friedrich

    Published in Annals of global analysis and geometry (01-03-2020)
    “…We construct an infinite-dimensional Lie rackoid Y which hosts an integration of the standard Courant algebroid. As a set, Y = C ∞ ( [ 0 , 1 ] , T ∗ M ) for a…”
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  5. 5

    Sympathetic Lie algebras and adjoint cohomology for Lie algebras by Burde, Dietrich, Wagemann, Friedrich

    Published in Journal of algebra (01-09-2023)
    “…We study sympathetic (i.e., perfect and complete) Lie algebras. Among other topics they arise in the study of adjoint Lie algebra cohomology. Here a motivation…”
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  6. 6

    Ext groups in the category of bimodules over a simple Leibniz algebra by Mugniery, Jean, Wagemann, Friedrich

    Published in Journal of pure and applied algebra (01-06-2021)
    “…In this article, we generalize Loday and Pirashvili's [11] computation of the Ext-category of Leibniz bimodules for a simple Lie algebra to the case of a…”
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  7. 7

    Deformation quantization of Leibniz algebras by Dherin, Benoit, Wagemann, Friedrich

    Published in Advances in mathematics (New York. 1965) (22-01-2015)
    “…In this paper, we use the local integration of a Leibniz algebra h using a Baker–Campbell–Hausdorff type formula in order to deformation quantize its linear…”
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  8. 8

    On Leibniz cohomology by Feldvoss, Jörg, Wagemann, Friedrich

    Published in Journal of algebra (01-03-2021)
    “…In this paper we prove the Leibniz analogue of Whitehead's vanishing theorem for the Chevalley-Eilenberg cohomology of Lie algebras. As a consequence, we…”
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  9. 9
  10. 10

    ON 2-HOLONOMY by ABBASPOUR, HOSSEIN, WAGEMANN, FRIEDRICH

    “…We construct a cycle in higher Hochschild homology associated to the two-dimensional torus which represents 2-holonomy of a nonabelian gerbe in the same way as…”
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  11. 11

    Representations of Crossed Modules and Other Generalized Yetter-Drinfel’d Modules by Lebed, Victoria, Wagemann, Friedrich

    Published in Applied categorical structures (01-08-2017)
    “…The Yang-Baxter equation plays a fundamental role in various areas of mathematics. Its solutions, called braidings, are built, among others, from…”
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  12. 12

    Lie rackoids by Laurent-Gengoux, Camille, Wagemann, Friedrich

    Published in Annals of global analysis and geometry (01-09-2016)
    “…We define a new differential geometric structure, called Lie rackoid. A Lie rackoid differentiates to Leibniz algebroids in a similar way as Lie groupoids…”
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  13. 13

    Algebraic deformation quantization of Leibniz algebras by Alexandre, Charles, Bordemann, Martin, Rivière, Salim, Wagemann, Friedrich

    Published in Communications in algebra (02-12-2018)
    “…In this paper we focus on a certain self-distributive multiplication on coalgebras, which leads to so-called rack bialgebra. We construct canonical rack…”
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  14. 14

    More remarks on the cohomology of Krichever–Novikov algebras by Wagemann, Friedrich

    Published in Afrika mathematica (01-04-2012)
    “…This article is a continuation of previous work on the cohomology of Krichever–Novikov algebras (Wagemann in Lett Math Phys 47:173–177, 1999 ). We extend here…”
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  15. 15

    Cohomology of perfect Lie algebras by Burde, Dietrich, Wagemann, Friedrich

    Published 22-11-2024
    “…We study the adjoint cohomology of perfect Lie algebras over the complex numbers. For the family of perfect Lie algebras $\mathfrak{g}=\mathfrak{sl}_2(\Bbb…”
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  16. 16

    Tensor products of Leibniz bimodules and Grothendieck rings by Feldvoss, Jörg, Wagemann, Friedrich

    Published 01-11-2024
    “…In this paper we define three different notions of tensor products for Leibniz bimodules. The ``natural" tensor product of Leibniz bimodules is not always a…”
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  17. 17

    On the String Lie Algebra by Rivière, Salim, Wagemann, Friedrich

    Published in Algebras and representation theory (01-08-2015)
    “…We construct an abelian representative for the crossed module associated to the string Lie algebra. We show how to apply this construction in order to define…”
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  18. 18

    Deformations of Lie algebras of vector fields arising from families of schemes by Wagemann, Friedrich

    Published in Journal of geometry and physics (01-02-2008)
    “…Fialowski and Schlichenmaier constructed global deformations of the infinitesimally and formally rigid Lie algebra of polynomial vector fields on the circle…”
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  19. 19

    On Lie Algebra Crossed Modules by Wagemann, Friedrich

    Published in Communications in algebra (01-01-2006)
    “…The goal of this article is to construct a crossed module representing the cocycle ⟨[,],⟩ generating H 3 ( ;ℂ) for a simple complex Lie algebra …”
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  20. 20

    Associative algebra deformations of Connes–Moscovici's Hopf algebra H 1 by Fialowski, Alice, Wagemann, Friedrich

    Published in Journal of algebra (01-04-2010)
    “…We compute the second Hochschild cohomology space HH 2 ( H 1 ) of Connes–Moscovici's Hopf algebra H 1 , giving the infinitesimal deformations (up to…”
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