Introduces obstruction classes in cohomology for inner post-Lie algebras and post-groups and proves they are induced by Rota-Baxter operators precisely when the class is trivial.
Manchon, A short survey on pre-Lie algebras
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Inner post-Lie algebras and inner post-groups
Introduces obstruction classes in cohomology for inner post-Lie algebras and post-groups and proves they are induced by Rota-Baxter operators precisely when the class is trivial.