Hom-Lie-Yamaguti structures on Hom-Leibniz algebras
Donatien Gaparayi, A. Nourou Issa
乘法左Hom-Leibniz代数具有自然的Hom-Lie-Yamaguti结构。
Multiplicative left Hom-Leibniz algebras have natural Hom-Lie-Yamaguti structure.
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In this paper some characterizations of Hom-Leibniz superalgebras are given and some of their basic properties are found. These properties can be seen as a generalization of corresponding well-known properties of Hom-Leibniz algebras. Considering the Hom-Akivis superalgebra associated to a given Hom-Leibniz superalgebra, it is observed that the Hom-super Akivis identity leads to an additional property of Hom-Leibniz superalgebras, which in turn gives a necessary and sufficient condition for Hom-super Lie admissibility of Hom-Leibniz superalgebras. We show also that every (left) Hom-Leibniz sup…
A note on representations of Lie-Yamaguti algebras induced by left Leibniz algebras
本文证明左 Leibniz 代数的左表示自然诱导其关联 Lie-Yamaguti 代数的表示，且等价表示保持等价性。
A twisted generalization of Lie-Yamaguti algebras
定义了Lie-Yamaguti代数的一个扭曲推广，称为Hom-Lie-Yamaguti代数. Hom-Lie-Yamaguti代数推广了Hom-Lie三元系（以及随后的三元Hom-Nambu代数）和Hom-Lie代数，就像Lie-Yamaguti代数推广了Lie三元系和李代数一样。证明了Hom-Lie-Yamaguti代数范畴在自态扭下是闭的。利用经典的Lie-Yamaguti代数和Malcev代数构造了Hom-Lie-Yamaguti代数。当Hom-Lie-Yamaguti代数的三元运算以某种特定的方式表示为二元运算时，这样的Hom-Lie-Yamaguti代数是Hom-Malcev代数.
A Hom-Lie-Yamaguti algebra, whose ternary operation expresses through its binary one in a specific way, is a multiplicative Hom-Malcev algebra. Any multiplicative Hom-Malcev algebra over a field of characteristic zero has a natural Hom-Lie-Yamaguti structure.
The representation and cohomology theory of Hom-Lie-Yamaguti algebras is introduced. As an application, we study deformation and extension of Hom-Lie-Yamaguti algebras. It proved that a 1-parameter infinitesimal deformation of a Hom-Lie-Yamaguti algebra $T$ corresponds to a Hom-Lie-Yamaguti algebra of deformation type and a (2,3)-cocycle of $T$ with coefficients in the adjoint representation. We also prove that abelian extensions of Hom-Lie-Yamaguti algebras are classified by the (2,3)-cohomology group.
(Multiplicative) Hom-Lie-Yamaguti superalgebras which generalize Hom-Lie supertriple systems (and subsequently ternary multiplicative Hom-Nambu superalgebras) and Hom-Lie superalgebras in the same way as Lie-Yamaguti superalgebras [Frac] generalize Lie supertriple systems and Lie superalgebras are defined. We show that the category of (multiplicative) Hom-Lie-Yamaguti superalgebras is closed under twisting by self-morphisms. Construction of some examples of Hom-Lie-Yamaguti superalgebras is given. The notion of an $n^{th}-$derived (binary) Hom-superalgebras is extended to the one of an $n^{th}…
Let $(L, α)$ be a Hom-Lie-Yamaguti superalgebra. We first introduce the representation and cohomology theory of Hom-Lie-Yamaguti superalgebras. Furthermore, we introduce the notions of generalized derivations and representations of $(L, α)$ and present some properties. Finally, we investigate the deformations of $(L, α)$ by choosing some suitable cohomology.
This paper studies one-parameter formal deformations of Hom-Lie-Yamaguti algebras. The first, second and third cohomology groups on Hom-Lie-Yamaguti algebras extending ones on Lie-Yamaguti algebras are provided. It is proved that first and second cohomology groups are suitable to the deformation theory involving infinitesimals, equivalent deformations and rigidity. However, the third cohomology group is not suitable for the obstructions.
In this paper, we introduce the notion of crossed homomorphisms between Lie-Yamaguti algebras and establish the cohomology theory of crossed homomorphisms via the Yamaguti cohomology. Consequently, we use this cohomology to characterize linear deformations of crossed homomorphisms between Lie-Yamaguti algebras. We show that if two linear or formal deformations of a crossed homomorphism are equivalent, then their infinitesimals are in the same cohomology class in the first cohomology group. Moreover, we show that an order $n$ deformation of a crossed homomorphism can be extended to an order $n+…
Isoclinism in regular Hom-Lie Yamaguti algebras
本文研究正则Hom-Lie Yamaguti代数的同斜性理论，引入因子集分析同斜族结构，证明同维有限维该类代数中同斜蕴含同构，推广了相关分类定理，揭示有限维下的强刚性。
Irreducible Lie-Yamaguti algebras
Lie-Yamaguti代数（或广义李三元系）是与约化齐性空间密切相关的二元-三元代数。不可约为李内导子代数上模的李-Yamaguti代数是各向同性不可约齐性空间的代数对应。这些系统将被分成三个不相交的类型：伴随类型，非简单类型和泛型类型。对前两类系统进行了分类，并指出它们中的大多数与李代数的广义Tits构造有关。
Irreducible Lie-Yamaguti algebras of Generic Type
Lie-Yamaguti代数（或广义李三元系）是与约化齐性空间密切相关的二元-三元代数。内导子代数上不可约为模的Lie-Yamaguti代数是各向同性不可约齐性空间的代数对应。这些系统分为三个不相交的类型：伴随类型，非简单类型和泛型类型。前两种类型的系统在以前的论文中通过李代数的广义Tits构造进行了分类。本文通过将一般型Lie-Yamaguti代数与其它几种非结合代数系统：Lie和Jordan代数与三元系、Jordan对或Freudenthal三元系联系起来，对一般型Lie-Yamaguti代数进行了分类.
Notes on Cohomologies of Lie Triple Systems
利用Loday意义下的Leibniz代数的上同调，研究了Yamaguti意义下的李三元系的上同调理论.引入李三元系的Nijenhuis算子来描述平凡形变。我们还详细研究了李三元系的交换扩张。
Twisting $\mathcal{O}$-operators by $(2,3)$-Cocycle of Hom-Lie-Yamaguti Algebras with Representations
本文在 Hom-Lie-Yamaguti 代数上引入扭变 $\mathcal{O}$-算子，证明其诱导 Hom-Lie-Yamaguti 结构，定义其上同调，并研究其底层 Hom-NS-Lie-Yamaguti 代数及由 Hom-Lie 代数诱导的情形。
On the free Lie-Yamaguti algebra
该研究针对约化齐性空间切丛光滑截面中自然出现的Lie-Yamaguti代数，给出了自由Lie-Yamaguti代数的描述，丰富了相关代数结构的研究。
In this paper we introduce color Hom-Akivis algebras and prove that the commutator of any color non-associative Hom-algebra structure map leads to a color Hom-akivis algebra. We give various constructions of color Hom-Akivis algebras. Next we study flexible and alternative color Hom-Akivis algebras. Likewise color Hom-Akivis algebras, we introduce non-commutative color Hom-Leibniz-Poisson algebras and presente several constructions. Moreover we give the relationship between Hom-dialgebras and Hom-Leibniz-Poisson algebras; i.e. a Hom-dialgebras give rise to a Hom-Leibniz-Poisson algebra. Finall…
Some characterizations of Hom-Leibniz algebras
得到了Hom-Leibniz代数的一些基本性质，这些性质是Leibniz代数的一些著名性质的Hom-analogue。考虑与给定的Hom-Leibniz代数相关联的Hom-Akivis代数，观察到Hom-Akivis恒等式导致Hom-Leibniz代数的一个附加性质，进而给出Hom-Leibniz代数的Hom-Lie容许性的一个充要条件.并给出了Hom-Leibniz代数的Hom-power结合性的一个充要条件。
Aim of this paper is to define a new type of cohomology for multiplicative Hom-Leibniz algebras which controls deformations of Hom-Leibniz algebra structure. The cohomology and the associated deformation theory for Hom-Leibniz algebras as developed here are also extended to equvariant context, under the presence of finite group actions on Hom-Leibniz algebras.
We construct homology with trivial coefficients of Hom-Leibniz $n$-algebras. We introduce and characterize universal ($α$)-central extensions of Hom-Leibniz $n$-algebras. In particular, we show their interplay with the zeroth and first homology with trivial coefficients. When $n=2$ we recover the corresponding results on universal central extensions of Hom-Leibniz algebras. The notion of non-abelian tensor product of Hom-Leibniz $n$-algebras is introduced and we establish its relationship with the universal central extensions. We develop a generalization of the concept and properties of unicen…
We define a cup-product in Hom-Leibniz cohomology and show that the cup-product satisfies the graded Hom-Zinbiel relation.
In this paper, we introduce a non-abelian exterior product of Hom-Leibniz algebras and investigate its relative to the Hopf's formula. We also construct an eight-term exact sequence in the homology of Hom-Leibniz algebras. Finally, we relate the notion of capability of a Hom-Leibniz algebra to its exterior product.
On universal central extensions of Hom_Leibniz algebras
在Hom-Leibniz代数范畴中，我们引入表示的概念作为适当的系数来构造链复形以计算Hom-Leibniz代数的Leibniz同调.本文研究了Hom-Leibinz代数的泛中心扩张，推广了一些经典结果，但有必要引入新的概念：$α$ -中心扩张，泛$α$ -中心扩张和$α$ -完全Hom-Leibniz代数.证明了一个$α$ -完美Hom-李代数在Hom-Lie和Hom-Leibniz代数范畴中存在一个泛$α$ -中心扩张，并得到了它们之间的关系.在情形$α= Id$中，我们恢复了关于Leibniz代数的泛中心扩张的相应结果.
We introduce a non-abelian exterior product of two crossed modules of Leibniz algebra and investigate its relation to the low dimensional Leibniz homology. Later this non-abelian exterior product is applied to the construction of eight term exact sequence in Leibniz homology. Also its relationship to the universal quadratic functor is established, which is applied to the comparison of the second Lie and Leibniz homologies of a Lie algebra.
In this paper, we introduce the concept of crossed module for Hom-Leibniz-Rinehart algebras. We study the cohomology and extension theory of Hom-Leibniz-Rinehart algebras. It is proved that there is one-to-one correspondence between equivalence classes of abelian extensions of Hom-Leibniz-Rinehart algebras and the elements of second cohomology group. Furthermore, we prove that there is a natural map from $α$-crossed modules extension of Hom-Leibniz-Rinehart algebras to the third cohomology group of Hom-Leibniz-Rinehart algebras.
Representations and relative Rota-Baxter operators with respect to representations of Hom-Leibniz Poisson algebras are introduced and studied. Some characterizations of these operators are obtained. The notion of matched pair and Nijenhuis operators of Hom-Leibniz Poisson algebras are given and various relevant constructions of these Hom-algebras are deduced.
The notion of non-abelian Hom-Leibniz tensor product is introduced and some properties are established. This tensor product is used in the description of the universal ($α$-)central extensions of Hom-Leibniz algebras. We also give its application to the Hochschild homology of Hom-associative algebras.
In this paper, the structure of the second relative homology and the relative stem cover of the direct sum of two pairs of Leibniz algebras are determined by means of the non-abelian tensor product of Leibniz algebras. We also characterize all pairs of finite dimensional nilpotent Leibniz algebras such that...
On the univeral α-central extensions of the semi-direct product of Hom-Leibniz algebras
引入了Hom-作用和半直积，建立了Hom-Leibniz代数的分裂扩张与半直积扩张的等价性.研究了（α）-完全Hom-Leibniz代数的泛（α）-中心扩张的函子性质.建立了在什么条件下自同构或导子可以在α-覆盖中提升，并分析了两个α-完全Hom-Leibniz代数的半直积的泛α-中心扩张.
The first aim of this paper is to introduce and study symmetric (Bi)Hom-Leibniz algebras, which are left and right Leibniz algebras. We discuss $α^kβ^l$-generalized derivations, $α^kβ^l$ -quasi-derivations and $α^kβ^l$-quasi-centroid of (Bi)Hom-Leibniz algebras and colour BiHom-Leibniz algebras. The second aim is to define a new type of BiHom-Lie algebras satisfies the following hierarchy \begin{equation*} \displaystyle \{ \text{ BiHom-Lie type $B_1$} \}\supseteq_{β=id} \{ \text{ Hom-Lie} \}\supseteq_{α=id} \{ \text{ Lie} \}. \end{equation*} Moreover, define representations and a cohomology of…
In this paper, we construct a differential graded Lie algebra whose Maurer-Cartan elements are given by crossed homomorphisms on Leibniz algebras. This allows us to define cohomology for a crossed homomorphism. Finally, we study linear deformations, formal deformations and extendibility of finite order deformations of a crossed homomorphism in terms of the cohomology theory.
Cohomology and deformation of compatible Hom-Leibniz algebras
本文借助以 Maurer-Cartan 元刻画相容 Hom-Leibniz 代数结构的分次 Lie 代数，系统研究其上同调、无穷小形变、Nijenhuis 算子及相互关系，并推广到任意表示系数的上同调。
We introduce the class of split regular Hom-Leibniz algebras as the natural generalization of split Leibniz algebras and split regular Hom-Lie algebras. By developing techniques of connections of roots for this kind of algebras, we show that such a split regular Hom-Leibniz algebra $L$ is of the form $L = U + \sum\limits_{[j] \in Λ/\sim}I_{[j]}$ with $U$ a subspace of the abelian subalgebra $H$ and any $I_{[j]}$, a well described ideal of $L$, satisfying $[I_{[j]}, I_{[k]}] = 0$ if $[j]\neq [k]$. Under certain conditions, in the case of $L$ being of maximal length, the simplicity of the algebr…
We introduce and describe the class of split regular $Hom$-Leibniz color $3$-algebras as the natural extension of the class of split Lie algebras, split Leibniz algebras, split Lie $3$-algebras, split Lie triple systems, split Leibniz $3$-algebras, and some other algebras. More precisely, we show that any of such split regular $Hom$-Leibniz color $3$-algebras $T$ is of the form ${T}={\mathcal U} +\sum\limits_{j}I_{j}$, with $\mathcal U$ a subspace of the $0$-root space ${T}_0$, and $I_{j}$ an ideal of $T$ satisfying {for} $j\neq k:$ \[[{ T},I_j,I_k]+[I_j,{ T},I_k]+[I_j,I_k,T]=0.\] Moreover, if…
Factorizations, classifying complements problem and deformation maps for Lie-Yamaguti algebras
研究Lie-Yamaguti代数的分解问题、强补的分类以及形变映射的统一理论，证明形变映射推广了同态、导子、交叉同态和相对Rota-Baxter算子，并定义了其上同调与Maurer-Cartan刻画。
Exploring Cohomology, Deformations, and Hom-NS Structures in Hom-Leibniz Conformal Algebras through Nijenhuis Operators
本文研究Hom-Leibniz共形代数上的Nijenhuis算子，建立相关上同调理论并应用于形式形变研究，同时引入Hom-NS-Leibniz共形代数并揭示多种算子构造该类代数的方法。
Notes on Leibniz $n$-algebras
本文研究了Leibniz n-代数中遗忘函子和Daletskii-Takhtajan函子的行为，并探讨了其在同调和中心扩展中的应用。
Cohomology and 1-parameter formal deformations of Hom-Lie triple systems
本文研究了Hom-Lie三元系的上同调理论，推广了李三元系的Yamaguti上同调理论.引入了Hom-Lie三元系的中心扩张理论，证明了Hom-Lie三元系的中心扩张的等价类与第三上同调群之间存在一一对应的关系.本文发展了Hom-Lie三元系的单参数形式形变理论，并证明了它受上同调群控制.
Cohomology and Versal Deformations of Hom-Leibniz algebras
本文主要研究Hom-Leibniz代数的整体变形。引入了值在Hom-模中的Hom-Leibniz代数的上同调，刻画了它的上同调变形，并给出了例子.
Cohomology of Hom-Leibniz and $n$-ary Hom-Nambu-Lie superalgebras
本文主要研究Hom-Leibniz超代数的上同调。构造了Hom型的$q$ -变形Heisenberg-Virasoro超代数，并给出了其导子和二阶上同调群的计算.此外，我们从Hom-Leibniz代数的上同调出发，将Takhtajan构造的$n$元Hom-Nambu-李代数的上同调推广到分次情形.
Embedding tensors on 3-Leibniz algebras and their derived algebraic structures and deformations
本文研究3-Leibniz代数上的嵌入张量，建立其与3-tri-Leibniz代数及平均3-Leibniz代数的对应关系，引入3-tri-Leibniz dialgebra，并通过第一上同调刻画嵌入张量的线性形变。
The notion of a Hom-Leibniz bialgebra is introduced and it is shown that matched pairs of Hom-Leibniz algebras, Manin triples of Hom-Leibniz algebras and Hom-Leibniz bialgebras are equivalent in a certain sense. The notion of Hom-Leibniz dendriform algebra is established, their bimodules and matched pairs are defined and their properties and theorems about their interplay and construction are obtained. Furthermore, the concept of BiHom-Leibniz dendriform algebras is introduced and discussed, their bimodules and matched pairs are constructed and properties are described. Finally, the connection…
Several recent results concerning Hom-Leibniz algebra are reviewed, the notion of symmetric Hom-Leibniz superalgebra is introduced and some properties are obtained. Classification of 2-dimensional Hom-Leibniz algebras is provided. Centroids and derivations of multiplicative Hom-Leibniz algebras are considered including the detailed study of 2-dimensional Hom-Leibniz algebras.
3-filiform Leibniz algebras of maximum length
这一工作完成了可解Leibniz代数的研究，更准确地说，完成了最大长度的$3$ -丝状Leibniz代数\cite{3-filiform}的分类.此外，由于最大长度代数的良好结构，我们还讨论了它们的一些上同调性质。我们的主要工具是Cabezas和Pastor \cite{Pastor}以前的结果，适当的齐次基的建设所考虑的连接层次和计算支持所提供的两个程序中实现的软件\textit{Mathematica}。
Basing ourselves on the categorical notions of central extensions and commutators in the framework of semi-abelian categories relative to a Birkhoff subcategory, we study central extensions of Leibniz algebras with respect to the Birkhoff subcategory of Lie algebras, called Lie-central extensions. We obtain a six-term exact homology sequence associated to a Lie-central extension. This sequence, together with the relative commutators, allows us to characterize several classes of Lie-central extensions, such as Lie-trivial, Lie-stem and Lie-stem cover, to introduce and characterize Lie-unicentra…
Representations of color Hom-Lie algebras are reviewed, and it is shown that there exist a series of coboundary operators. We also introduce the notion of a color omni-Hom-Lie algebra associated to a vector space and an even invertible linear map. We show how regular color Hom-Lie algebra structures on a vector space can be characterized. Moreover, it is shown that the underlying algebraic structure of the color omni-Hom-Lie algebra is a color Hom-Leibniz algebra.
Non-abelian cohomology and extensions of Hom-algebras via the $\boldsymbolβ$-Nijenhuis--Richardson bracket
本文利用$β$-Nijenhuis--Richardson括号构建Hom-Leibniz代数的上同调理论，通过左、右版本括号定义分次李代数结构，证明分裂扩张等价类与第二上同调空间双射，推广经典结果并刻画低维情形。
The notion of pre-Leibniz algebras was recently introduced in the study of Rota-Baxter operators on Leibniz algebras. In this paper, we first construct a graded Lie algebra whose Maurer-Cartan elements are pre-Leibniz algebras. Using this characterization, we define the cohomology of a pre-Leibniz algebra with coefficients in a representation. This cohomology is shown to split the Loday-Pirashvili cohomology of Leibniz algebras. As applications of our cohomology, we study formal and finite order deformations of a pre-Leibniz algebra. Finally, we define homotopy pre-Leibniz algebras and classif…
In this paper, we introduce the notion of the Hom-Leibniz-Rinehart algebra as an algebraic analogue of Hom-Leibniz algebroid, and prove that such an arbitrary split regular Hom-Leibniz-Rinehart algebra $L$ is of the form $L=U+\sum_γI_γ$ with $U$ a subspace of a maximal abelian subalgebra $H$ and any $I_γ$, a well described ideal of $L$, satisfying $[I_γ, I_δ]= 0$ if $[γ]\neq [δ]$. In the sequel, we develop techniques of connections of roots and weights for split Hom-Leibniz-Rinehart algebras respectively. Finally, we study the structures of tight split regular Hom-Leibniz-Rinehart algebras.
The purpose of this paper is to provide a cohomology of $n$-Hom-Leibniz algebras. Moreover, we study some higher operations on cohomology spaces and deformations.
In this paper, we consider Leibniz algebras with derivations. A pair consisting of a Leibniz algebra and a distinguished derivation is called a LeibDer pair. We define a cohomology theory for LeibDer pair with coefficients in a representation. We study central extensions and abelian extensions of a LeibDer pair. In the next, we generalize the formal deformation theory to LeibDer pairs in which we deform both the Leibniz bracket and the distinguished derivation. It is governed by the cohomology of LeibDer pair with coefficients in itself. Finally, we consider homotopy derivations on sh Leibniz …
Leibniz algebras and their connection to Jordan pair disystems
本文研究莱布尼茨代数与约旦对双系的关联，给出约旦对双系的Tits-Kantor-Koecher构造，引入其同伦与莱布尼茨代数的阿贝尔内理想，扩展了约旦dialgebras的相关构造。
We study the structure of a $3-$Leibniz algebra $T$ graded by an arbitrary abelian group $G,$ which is considered of arbitrary dimension and over an arbitrary base field $\bbbf.$ We show that $T$ is of the form $T=\uu\oplus\sum_jI_j,$ with $\uu$ a linear subspace of $T_1,$ the homogeneous component associated to the unit element $1$ in $G,$ and any $I_j$ a well described graded ideal of $T,$ satisfying $$ [I_j, T, I_k] = [I_j, I_k, T] = [T, I_j, I_k] = 0, $$ if $j\neq k.$ In the case of $T$ being of maximal length, we characterize the gr-simplicity of the algebra in terms of connections in the…
We study the structure of a Leibniz triple system $\mathcal{E}$ graded by an arbitrary abelian group $G$ which is considered of arbitrary dimension and over an arbitrary base field $\mathbb{K}$. We show that $\mathcal{E}$ is of the form $\mathcal{E}=U+\sum_{[j]\in \sum^{1}/\sim} I_{[j]}$ with $U$ a linear subspace of the 1-homogeneous component $\mathcal{E}_{1}$ and any ideal $I_{[j]}$ of $\mathcal{E}$, satisfying $\{I_{[j]},\mathcal{E},I_{[k]}\} =\{I_{[j]},I_{[k]},\mathcal{E}\}=\{\mathcal{E},I_{[j]},I_{[k]}\}=0$ if $[j]\neq [k]$, where the relation $\sim$ in $\sum^{1}=\{g \in G \setminus \{1\…
The goal of this paper is to study the structure of split regular BiHom-Leiniz superalgebras, which is a natural generalization of split regular Hom-Leiniz algebras and split regular BiHom-Lie superalgebras. By developing techniques of connections of roots for this kind of algebras, we show that such a split regular BiHom-Leiniz superalgebras $\mathfrak{L}$ is of the form $\mathfrak{L}=U+\sum_{\a}I_\a$ with $U$ a subspace of a maximal abelian subalgebra $H$ and any $I_{\a}$, a well described ideal of $\mathfrak{L}$, satisfying $[I_\a, I_\b]= 0$ if $[\a]\neq [\b]$. In the case of $\mathfrak{L}$…
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 obtain the second Whitehead lemma for Leibniz algebras. Moreover, we compute the cohomology of several Leibniz algebras with adjoint or irreducible coefficients. Our main tool is a Leibniz analogue of the Hochschild-Serre spectral sequence, which is an extension of (the dual of) a spectral sequence of Pirashvili for Leibniz homology from symmetric bimodules to arbitrary bimodules.
A Relative Theory for Leibniz n-Algebras
本文证明了对于$n$代数$\g,$，张量幂$\g^{\otimes n-1}$在Leibniz代数$\g^{\wedge n-1}$上具有反对称余表示的结构.利用这个余表示定义了Leibniz $n$ -代数与$n>2$的两个相关理论，并得到了它们之间的精确关系.由此，我们构造了Filippov代数的Leibniz同调的一个谱序列.
Conjugacy of Cartan subalgebras of complex finite dimensional Leibniz algebras
本文将有限维李代数中Cartan子代数的性质及其与正则元的关系推广到Leibniz代数的情形。证明了Leibniz代数的Cartan子代数和正则元通过一个自然同态与李代数的Cartan子代数和正则元相对应。证明了Leibniz代数的Cartan子代数的共轭性。
In this paper, we first construct the controlling algebras of embedding tensors and Lie-Leibniz triples, which turn out to be a graded Lie algebra and an $L_\infty$-algebra respectively. Then we introduce representations and cohomologies of embedding tensors and Lie-Leibniz triples, and show that there is a long exact sequence connecting various cohomologies. As applications, we classify infinitesimal deformations and central extensions using the second cohomology groups. Finally, we introduce the notion of a homotopy embedding tensor which will induce a Leibniz$_\infty$-algebra. We realize Ko…
On the infinity category of homotopy Leibniz algebras
我们讨论了$\infty$ -同伦的各种概念，以及它们之间的关系（重点是莱布尼茨型）。特别地，$\infty$ - $n$ -同伦表现为完全李${\infty}$ -代数的神经的$n$ -单形.在幂零的情况下，已知该神经是Kan复合物\cite{Get09}。证明了$\infty$ -代数存在一个拟范畴，并证明了对于截断的$\infty$ -代数，即范畴化的代数，这个$\infty$ -范畴结构投射到一个严格的2-范畴结构.本文包含一个快捷的$(\infty,1)$ -范畴，以及审查Getzler的证明的Kan性质。通过将其应用于2项$\infty$ -代数的情形，使后者具体化，从而恢复了\cite{BC04}的同伦概念以及相应的合成规则\cite{SS07} .我们还回答了\cite{BS07}关于$\infty$ -代数的$\infty$ -同伦的合成问题.
The first author defended her doctoral thesis Espacios homogéneos reductivos y álgebras no asociativas in 2001, supervised by P. Benito and A. Elduque. This thesis contained the classification of the Lie-Yamaguti algebras with standard enveloping algebra $\mathfrak{g}_2$ over fields of characteristic zero, which in particular gives the classification of the homogeneous reductive spaces of the compact Lie group $G_2$. In this work we revisit this classification from a more geometrical approach. We provide too geometric models of the corresponding homogeneous spaces and make explicit some relati…
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