  Quadri-algebras introduced by Aguiar and Loday are a class of remarkable
Loday algebras. In this paper, we introduce a notion of L-quadri-algebra with 4
operations satisfying certain generalized left-symmetry, as a Lie algebraic
analogue of quadri-algebra such that the commutator of the sum of the 4
operations is a Lie algebra. Any quadri-algebra is an L-quadri-algebra.
Moreover, L-quadri-algebras fit into the framework of the relationships between
Loday algebras and their Lie algebraic analogues, extending the well known fact
that the commutator of an associative algebra is a Lie algebra. We also give
the close relationships between L-quadri-algebras and some interesting
structures like Rota-Baxter operators, classical Yang-Baxter equation, some
bilinear forms satisfying certain conditions.
