Main interests
Secondary interests
Rank minimisation problem with affine constraint
Nonstandard algebra for NMF: maxplus semiring, exterior algebra, Clifford algebra
ODE / Lagrangian / Hamiltonian / Controltheoretic analysis of optimisation algorithms
Multilevel/grid methods for optimisation of factorisationtype structural optimisation problem
Laternt Dirichlet distribution for NMFbased topic modelling
Know nothing / little, but ‘‘okay’’ interested
Polytope geometry, extended formulations, theory of combinatorial optimisation
Optimal transport for matrix factorisation
Graph models
Theory of retrieval: compressive sensing, matrix completion and phase retrieval
Polynomial optimization
Control theory
Theoretical mechanics
