Factoriality of a ring of holomorphic functions
Fields with analytic structure
Finiteness property for generalized abelian integrals
We study the integrals of real functions which are finite compositions of globally subanalytic maps and real power functions. These functions have finiteness properties very similar to those of subanalytic functions. Our aim is to investigate how such finiteness properties can remain when taking the integrals of such functions. The main result is that for almost all power maps arising in a -function, its integration leads to a non-oscillating function. This can be seen as a generalization of Varchenko...
Formal relations between quasianalytic functions of some fixed class
In [Ga] Gabrielov has given conditions under which the completion of the kernel of a morphism φ: A → B between analytic rings coincides with the kernel of the induced morphism φ̂: Â → B̂ between the completions. If B is a domain, a sufficient condition is that rk φ = dim(Â/ker φ̂), where rk φ is the rank of the jacobian matrix of φ considered as a matrix over the quotient field of B. We prove that the above property holds in a fixed quasianalytic Denjoy-Carleman class if and only if the class coincides...
Frontière d'une hypersurface pfaffienne et géométrie sous-analytique
Nous donnons une nouvelle démonstration d'un théorème de Cano-Lion-Moussu: la frontière d'une hypersurface pfaffienne non spiralante est une réunion localement finie de sous-variétés analytiques connexes.