The research of the ERC Consolidator Group "Symmetries and Cosmology" is centered around three major research programs:

1. Uncovering the mathematical structures or symmetries underlying the higher-derivative $$\alpha '$$ corrections of string theory.
2. Constructing duality-covariant target space theories including massive string/M-theory modes in the framework of $$L_{\infty}$$ algebras.
3. Applications in Cosmology: Do $$\alpha '$$ corrections allow for interesting cosmological solutions (such as de Sitter vacua)? Are there imprints of massive string modes on the CMB that could be detected by future observations?