Singular value analysis of hankel operators for general nonlinear systems

Energy-storage balanced reduction of port-hamiltonian systems

Nonlinear balanced realization based on singular value analysis of Hankel Operators

Hamiltonian realizations of nonlinear adjoint operators

Model reduction for nonlinear systems based on the differential eigenstructure of Hankel operators

Time-varying output feedback stabilization of a class of nonholonomic hamiltonian systems via canonical transformations

Hamiltonian realizations of nonlinear adjoint operators

Eigenstructure of nonlinear Hankel operators

Hamiltonian extensions, Hilbert adjoints and singular value functions for nonlinear systems

Time-varying stabilization of Hamiltonian systems via generalized canonical transformations

On adjoints and singular value functions for nonlinear systems

Stabilization of a class of Hamiltonian systems with nonholonomic constraints and its experimental evaluation