1. Gradient estimates of harmonic functions and the asymptotics of spectral gaps on path spaces;Aida;Interdisciplinary Information Sci.,1996
2. Uniformly positivity improving property, Sobolev inequalities and spectral gap;Aida;J. Funct. Anal.,1998
3. An estimate of the gap of spectrum of Schrödinger operators which generate hyperbounded semigroups;Aida;J. Funct. Anal.,2001
4. S. Aida, Weak Poincaré inequalities on domains defined by Brownian rough paths, preprint.
5. Differential calculus on path and loop spaces I: Logarithmic Sobolev inequalities on path spaces;Aida;C. R. Acad. Sci. Paris Sér. I Math.,1995