Dependency Concepts up to Equivalence. - Erich Grädel; Matthias Hoelzel (CSL, 2018)

Fragments of existential second-order logic and logics with team semantics. - Matthias Hoelzel (2019)

Convergence and Nonconvergence Laws for Random Expansions of Product Structures. - Anuj Dawar; Erich Grädel; Matthias Hoelzel (Fields of Logic and Computation III, 2020)

On the Union Closed Fragment of Existential Second-Order Logic and Logics with Team Semantics. - Matthias Hoelzel; Richard Wilke (Log. Methods Comput. Sci., 2021)