# Homotopy morphisms between convolution homotopy Lie algebras

19 Jan 2020  ·  Robert-Nicoud Daniel, Wierstra Felix ·

In previous works by the authors, a bifunctor was associated to any operadic twisting morphism, taking a coalgebra over a cooperad and an algebra over an operad, and giving back the space of (graded) linear maps between them endowed with a homotopy Lie algebra structure. We build on this result by using a more general notion of $\infty$-morphism between (co)algebras over a (co)operad associated to a twisting morphism, and show that this bifunctor can be extended to take such $\infty$-morphisms in either one of its two slots. We also provide a counterexample proving that it cannot be coherently extended to accept $\infty$-morphisms in both slots simultaneously. We apply this theory to rational models for mapping spaces.

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Algebraic Topology Mathematical Physics Mathematical Physics Quantum Algebra Rings and Algebras