[en] distributed-arameter system ; Infinite-dimensional systems ; exponential stability ; port-Hamiltonian system ; Riesz basis ; Riesz-spectral system
[en] It is shown that the class of infinite-dimensional nice port-Hamiltonian systems including a large range of distributed parameter systems with boundary control is a subclass of Riesz-spectral systems. This result is illustrated by an example of a vibrating string.