Research interests: Low-rank matrix approximations, nonnegative matrix factorization, continuous and discrete optimization, numerical linear algebra, computational complexity, machine learning, data mining, hyperspectral imaging, signal processing. 

*News*

• Olivier Vu Thanh [thesis] and Hazan Daglayan [thesis] have successfully defended their PhD (October 24 & January 25). Congratulations to them! 

• My book on NMF is available online.  The Matlab code of the book is available on gitlab. A course on NMF (slides + exercices) is available from here. 

*Where I'll be at ?*

• We organize the third workshop on Low-Rank Models and Applications (LRMA 25), 11-12 September 2025, in Mons. All information can be found on the website https://sites.google.com/view/lrma25

• Organization of the SOCN study day, 26 September 2025, Mons.