Where I will be at
> SIAM Conference on Mathematics of Data Science (MDS 2026), Salt Lake City, USA, 16–20 November 2026.
Highlights from recent events
> New paper on arXiv: Seraghiti, Giovanni, Arnaud Vandaele, and Nicolas Gillis. "The ReLU Matrix Decomposition: NP-Hardness, Ill-Posedness, and ReLU-Rank." arXiv:2610.22255 (2026).
> STructured OPtimization for inverse and learning problems (STOP) 28 September - 1 October 2026.
> Young Applied Mathematicians Conference (YAMC) 2026, Torino, Italy 14-18 September 2026.
> The 23nd EUROPT Conference on Advances in Continuous Optimization (EUROPT 2026), 8-10 July, Linz, Austria
> New paper on arXiv: "bAdag: an adaptive block coordinate gradient method for smooth nonconvex functions " , arXiv:2606.11791 (2026).
> Talk at Siam Conference in Optimization (OP26), 2-5 June, Edimbourgh, United Kingdom.
> Our paper "An extrapolated and provably convergent algorithm for nonlinear matrix decomposition with the ReLU function." (link) has been accepted to SIMODS! Joint work with Margherita Porcelli, Nicolas Gillis.
> Check our new paper "Nonnegative Matrix Factorization in the Component-Wise L1-norm for Sparse Data". arXiv:2603.29715 (2026). (code). Joint work with Kévin Dubrulle, Arnaud Vandaele, Nicolas Gillis.
> Talk at 4th Workshop of UMI Group, Mathematics for Artificial Intelligence and Machine Learning (MATH4AIML), Roma, Italy, 21-23 January 2026.
> Talk at 25th annual workshop of the GAMM Activity Group on Applied and Numerical Linear Algebra (ANLA), Bologna, Italy, 23-24 October 2025.
> Talk at Young Applied Mathematicians Conference (YAMC) 2025, Padova, Italy 22-26 September 2025.
> Organization of the Workshop Low-Rank Models (LRMA) and Applications, Mons, Belgium, 11-12 September 2025.
> Invited speaker, seminar “Nonlinear Matrix Decomposition with the ReLU Function,” KU Leuven, Belgium, March 20, 2025.
> Invited speaker, seminar “Adaptive Gradient Methods and Parameter Pruning,” Series of Semester Seminars in Numerical Linear Algebra and Beyond, University of Bologna, Italy, January 9, 2025.