An Undecidable Nested Recurrence Relation. - Marcel Celaya; Frank Ruskey (CiE, 2012)

On the Linear Span of Lattice Points in a Parallelepiped. - Marcel Celaya (Comb., 2018)

Distance-Sparsity Transference for Vertices of Corner Polyhedra. - Iskander Aliev; Marcel Celaya; Martin Henk; Aled Williams (SIAM J. Optim., 2021)

Improving the Cook et al. Proximity Bound Given Integral Valued Constraints. - Marcel Celaya; Stefan Kuhlmann; Joseph Paat; Robert Weismantel (IPCO, 2022)

Proximity bounds for random integer programs. - Marcel Celaya; Martin Henk (Math. Program., 2023)

Sparsity and Integrality Gap Transference Bounds for Integer Programs. - Iskander Aliev; Marcel Celaya; Martin Henk (IPCO, 2024)

On Matrices over a Polynomial Ring with Restricted Subdeterminants. - Marcel Celaya; Stefan Kuhlmann; Robert Weismantel (IPCO, 2024)

Proximity and Flatness Bounds for Linear Integer Optimization. - Marcel Celaya; Stefan Kuhlmann; Joseph Paat; Robert Weismantel (Math. Oper. Res., 2024)