Stability of linear dynamic systems on time scales.
Stability problems for linear differential and difference systems
In this paper, there are derived sufficient conditions for exponential and asymptotic stability of differential and difference systems.
Stabilization of functions and its application.
Stationary groups of linear differential equations
Stokes phenomenon, multisummability and differential Galois groups
We precise the cohomological analysis of the Stokes phenomenon for linear differential systems due to Malgrange and Sibuya by making a rigid natural choice of a unique cocycle (called a Stokes cocyle) in every cohomological class. And we detail an algebraic algorithm to reduce any cocycle to its cohomologous Stokes form. This gives rise to an almost algebraic definition of sums for formal solutions of systems which we compare to the most usual ones. We also use this construction to the Stokes cocycle...
Strang-type preconditioners for solving systems of ODEs by boundary value methods.
Strong differential superordination.
Studium des Resonanzfalles bei gewöhnlichen linearen reduzierten Differentialgleichungen mit periodischen Koeffizienten
Sturm-Picone comparison theorem of second-order linear equations on time scales.
Su alcuni criteri di oscillazione per le equazioni differenziali lineari del secondo ordine
Substitution method for generalized linear differential equations
The generalized linear differential equation where and the matrices are regular, can be transformed using the notion of a logarithimc prolongation along an increasing function. This method enables to derive various results about generalized LDE from the well-known properties of ordinary LDE. As an example, the variational stability of the generalized LDE is investigated.
Sugli zeri delle soluzioni di una classe di equazioni differenziali lineari del secondo ordine
Sur la fonction
Sur la théorie des équations différentielles linéaires
Sur le calcul inverse des intégrales définies.
Sur l'équation différentielle linéaire, qui admet pour intégrale la série hypergéométrique
Sur l'équation hypergéométrique
Sur les équations différentielles linéaires
Sur les équations différentielles linéaires à coefficients périodiques
Sur les équations différentielles linéaires du quatrième ordre dont les intégrales vérifient une relation homogène du second degré