Publications

Preprints

N. Gillis, S. Saha, S. Sicilia, and A. Vandaele, "On the Complexity of Entrywise Power Matrix Factorization", July 2026. [arXiv] [code]

N. Gillis, S. Saha, S. Sicilia, and A. Vandaele, "Manifold-based Algorithms for the Hadamard Decomposition", May 2026. [arXiv] [code]

T. Baeckelant, A. Vandaele and N. Gillis, "Computing Lower Bounds on the Nonnegative Rank via Non-Convex Optimization Solvers", May 2026. [arXiv] [code]

A. Seyedi, L. He, S. Zhao, A. Onwunta and N. Gillis, "Supervised Deep Multimodal Matrix Factorization for Interpretable Brain Network Analysis", May 2026. [arXiv] [code]

G. Seraghiti, Kévin Dubrulle, A. Vandaele  and N. Gillis, "Nonnegative Matrix Factorization in the Component-Wise L1 Norm for Sparse Data", March 2026. [arXiv] [code]

N. Gillis and C. Scalone, "Computing the Nonnegative Low-Rank Leading Eigenmatrix and its Applications to Markov Grids and Metzler Operators", March 2026. [arXiv] [code]

O. Vu Thanh and N. Gillis, "Maximum-Volume Nonnegative Matrix Factorization", February 2026. [arXiv] [code]

A. Dache, A. Vandaele and N. Gillis, "Matrix Factorization Framework for Community Detection under the Degree-Corrected Block Model", January 2026. [arXiv] [code]

A. Awari, N. Gillis, and A. Vandaele, "Alternating Direction Method of Multipliers for Nonlinear Matrix Decompositions", December 2025. [arXiv] [cde]

C. Kolomvakis, T. Bobille, A. Vandaele and N. Gillis, "Algorithms for Boolean Matrix Factorization using Integer Programming and Heuristics", December 2025. [aXiv] [code]

G. Barbarino, N. Gillis and S. Saha, "Robustness of Minimum-Volume Nonnegative Matrix Factorization under an Expanded Sufficiently Scattered Condition", November 2025. [arXiv] 

V. Aggarwal, N. Gillis and P. Sharma, "Computing the nearest Ω-admissible descriptor dissipative Hamiltonian system", November 2025. [arXiv] [code]

K. Cherifi, N. Gillis, and P. Sharma, "Finding the nearest bounded-real port-Hamiltonian system", January 2025. [arXiv] [code]