A symmetry approach for balanced truncation of positive linear systems. - Christian Grussler; Tobias Damm (CDC, 2012)

Modified balanced truncation preserving ellipsoidal cone-invariance. - Christian Grussler; Anders Rantzer (CDC, 2014)

On optimal low-rank approximation of non-negative matrices. - Christian Grussler; Anders Rantzer (CDC, 2015)

The use of the r* heuristic in covariance completion problems. - Christian Grussler; Armin Zare; Mihailo R. Jovanovic; Anders Rantzer (CDC, 2016)

Local convergence of proximal splitting methods for rank constrained problems. - Christian Grussler; Pontus Giselsson (CDC, 2017)

Identification of externally positive systems. - Christian Grussler; Jack Umenberger; Ian R. Manchester (CDC, 2017)

Low-Rank Inducing Norms with Optimality Interpretations. - Christian Grussler; Pontus Giselsson (SIAM J. Optim., 2018)

Low-Rank Optimization With Convex Constraints. - Christian Grussler; Anders Rantzer; Pontus Giselsson (IEEE Trans. Autom. Control., 2018)

Optimality Interpretations for Atomic Norms. - Christian Grussler; Pontus Giselsson (ECC, 2019)

Strongly unimodal systems. - Christian Grussler; Rodolphe Sepulchre (ECC, 2019)

Affine-Invariant Midrange Statistics. - Cyrus Mostajeran; Christian Grussler; Rodolphe Sepulchre (GSI, 2019)

Variation diminishing Hankel operators. - Christian Grussler; Rodolphe Sepulchre (CDC, 2020)

Geometric Matrix Midranges. - Cyrus Mostajeran; Christian Grussler; Rodolphe Sepulchre (SIAM J. Matrix Anal. Appl., 2020)

On Second-Order Cone Positive Systems. - Christian Grussler; Anders Rantzer (SIAM J. Control. Optim., 2021)

Variation diminishing linear time-invariant systems. - Christian Grussler; Rodolphe Sepulchre (Autom., 2022)

Efficient Proximal Mapping Computation for Low-Rank Inducing Norms. - Christian Grussler; Pontus Giselsson (J. Optim. Theory Appl., 2022)

Balanced Truncation of $k$-Positive Systems. - Christian Grussler; Tobias Damm; Rodolphe Sepulchre (IEEE Trans. Autom. Control., 2022)

Internally Hankel $k$-Positive Systems. - Christian Grussler; Thiago B. Burghi; Somayeh Sojoudi (SIAM J. Control. Optim., 2022)

On the Monotonicity of Frequency Response Gains. - Christian Grussler; Thiago B. Burghi (CDC, 2023)

Scalable Metrics to Quantify Security of Large-scale Systems. - Sribalaji Coimbatore Anand; Christian Grussler; André M. H. Teixeira (CDC, 2024)

On Variation Bounding System Operators. - Chaim Roth; Christian Grussler (ECC, 2024)

Self-sustained oscillations in discrete-time relay feedback systems. - Kang Tong; Christian Grussler; Michelle S. Chong (CoRR, 2025)