A. Delabourdonnaye, CONVERGENCE OF THE APPROXIMATION OF WAVE- FUNCTIONS BY OSCILLATORY FUNCTIONS IN THE HIGH-FREQUENCY LIMIT, Comptes rendus de l'Academie des sciences. Serie 1, Mathematique, 318(8), 1994, pp. 765-768
In this Note, is presented an analysis of the approximation by oscilla
tory functions of functions of the type A (x) e(ikphi(x)) WhiCh WaS in
troduced by the author in [1], [2] or [3]. It is shown here that when
the number of degrees of freedom by wavelength is increased, the discr
etization error tends to 0.