Classification of three-dimensional Leibniz dialgebras with two-dimensional annihilator

arXiv:2611.00109v1 Announce Type: new Abstract: A Leibniz dialgebra is a vector space with two bilinear products $\dashv$ and $\vdash$ satisfying the dialgebra analogue of the right Leibniz identity. This notion is obtained by the same standard procedure that turns the associative identity into the axioms of Loday's associative dialgebras. In particular, $(\mathcal{DL},\dashv)$ is a right Leibniz algebra, so a Leibniz dialgebra is a Leibniz algebra together with a second, compatible product. This paper recalls the definition of Leibniz dialgebras and continue the algebraic classification of three-dimensional complex Leibniz dialgebras. This paper describes up to isomorphism all Leibniz dialgebras $(\mathcal{DL},\dashv,\vdash)$ for which the Leibniz algebra $(\mathcal{DL},\dashv)$ is isomorphic to one of the algebras $\mathcal{L}_{8}(\alpha)$, $\mathcal{L}_9$, $\mathcal{L}_{10}$, $\mathcal{L}_{11}$ of the classification of three-dimensional complex Leibniz algebras. The result consists 18 families of pairwise non-isomorphic Leibniz dialgebras, nine of which depend on a complex parameter.

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