Nonconvex equilibrium models for gas market analysis: Failure of standard techniques and alternative modeling approaches. - Veronika Grimm; Julia Grübel; Lars Schewe; Martin Schmidt 003; Gregor Zöttl (Eur. J. Oper. Res., 2019)

On electricity market equilibria with storage: Modeling, uniqueness, and a distributed ADMM. - Julia Grübel; Thomas Kleinert; Vanessa Krebs; Galina Orlinskaya; Lars Schewe; Martin Schmidt 003; Johannes Thürauf (Comput. Oper. Res., 2020)

Long-run market equilibria in coupled energy sectors: A study of uniqueness. - Jonas Egerer; Veronika Grimm; Julia Grübel; Gregor Zöttl (Eur. J. Oper. Res., 2022)

Nonconvex equilibrium models for energy markets: exploiting price information to determine the existence of an equilibrium. - Julia Grübel; Olivier Huber; Lukas Hümbs; Max Klimm; Martin Schmidt 003; Alexandra Schwartz (Optim. Methods Softw., 2023)

A Successive Linear Relaxation Method for MINLPs with Multivariate Lipschitz Continuous Nonlinearities. - Julia Grübel; Richard Krug; Martin Schmidt 003; Winnifried Wollner (J. Optim. Theory Appl., 2023)

On a tractable single-level reformulation of a multilevel model of the European entry-exit gas market with market power. - Veronika Grimm; Julia Grübel; Martin Schmidt 003; Alexandra Schwartz; Ann-Kathrin Wiertz; Gregor Zöttl (J. Glob. Optim., 2025)