Integer convex minimization by mixed integer linear optimization. - Timm Oertel; Christian Wagner 006; Robert Weismantel (Oper. Res. Lett., 2014)

Note on the complexity of the mixed-integer hull of a polyhedron. - Robert Hildebrand; Timm Oertel; Robert Weismantel (Oper. Res. Lett., 2015)

A Polyhedral Frobenius Theorem with Applications to Integer Optimization. - David Adjiashvili; Timm Oertel; Robert Weismantel (SIAM J. Discret. Math., 2015)

Duality for mixed-integer convex minimization. - Michel Baes; Timm Oertel; Robert Weismantel (Math. Program., 2016)

A note on non-degenerate integer programs with small sub-determinants. - Stephan Artmann; Friedrich Eisenbrand; Christoph Glanzer; Timm Oertel; Santosh S. Vempala; Robert Weismantel (Oper. Res. Lett., 2016)

Integrality Gaps of Integer Knapsack Problems. - Iskander Aliev; Martin Henk; Timm Oertel (IPCO, 2017)

Sparse Solutions of Linear Diophantine Equations. - Iskander Aliev; Jesús A. De Loera; Timm Oertel; Christopher O'Neill (SIAM J. Appl. Algebra Geom., 2017)

Centerpoints: A Link between Optimization and Convex Geometry. - Amitabh Basu; Timm Oertel (SIAM J. Optim., 2017)

The Support of Integer Optimal Solutions. - Iskander Aliev; Jesús A. De Loera; Friedrich Eisenbrand; Timm Oertel; Robert Weismantel (SIAM J. Optim., 2018)

Sparsity of Integer Solutions in the Average Case. - Timm Oertel; Joseph Paat; Robert Weismantel (IPCO, 2019)

Optimizing Sparsity over Lattices and Semigroups. - Iskander Aliev; Gennadiy Averkov; Jesús A. De Loera; Timm Oertel (IPCO, 2020)

Distances to lattice points in knapsack polyhedra. - Iskander Aliev; Martin Henk; Timm Oertel (Math. Program., 2020)

The Distributions of Functions Related to Parametric Integer Optimization. - Timm Oertel; Joseph Paat; Robert Weismantel (SIAM J. Appl. Algebra Geom., 2020)

Sparse representation of vectors in lattices and semigroups. - Iskander Aliev; Gennadiy Averkov; Jesús A. De Loera; Timm Oertel (Math. Program., 2022)

A colorful Steinitz Lemma with application to block-structured integer programs. - Timm Oertel; Joseph Paat; Robert Weismantel (Math. Program., 2024)

New Bounds for the Integer Carathéodory Rank. - Iskander Aliev; Martin Henk; Mark Hogan; Stefan Kuhlmann; Timm Oertel (SIAM J. Optim., 2024)

Sparse Approximation in Lattices and Semigroups. - Stefan Kuhlmann; Timm Oertel; Robert Weismantel (IPCO, 2025)