Current research
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I am interested in infinite dimensional analysis arsing from the study
of problems in probability theory.
For example, I am studying the semi-classical limit of infinite dimensional
Schrödinger operators, asymptotic behaviour of the spectral gap on loop spaces, stochastic differential equations, rough differential equations.
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Selected publications
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- S.Aida, S.Kusuoka and D.W.Stroock,On the Support of Wiener Functionals, Asymptotic Problems in Probability Theory:Wiener functonals and asymptotics (Sanda/Kyoto, 1990), 3--34,Pitman Res. Notes Math. Ser., 284, Longman Sci. Tech., Harlow, 1993.
- S.Aida, T.Masuda and I.Shigekawa,Logarithmic Sobolev inequalities and exponential integrability, J. Funct. Anal. 126 (1994), no.1,83--101
- S.Aida,Uniform positivity improving property, Sobolev inequality and spectral gaps, J.Funct.Anal.,158 (1998) no.1, 152--185.
- S.Aida,Weak Poincare inequalities on domains defined by Brownian rough paths,Ann. Probab., 32 (2004) no.4, 3116--3137.
- S.Aida,Tunneling for spatially cut-off P(φ)_2-Hamiltonians, J.Funct.Anal. Vol 263 no.9 (2012), 2689--2753.
- S.Aida and K.Sasaki,Wong-Zakai approximation of solutions to reflecting stochastic differential equations on domains in Euclidean spaces, Stochastic Process. Appl. 123 (2013), no.10, 3800--3827.
- S.Aida,Reflected rough differential equations, Stochastic Process. Appl., 125, (2015), no.9, 3570-3595.
- S.Aida,Asymptotics of spectral gaps on loop spaces over a class of Riemannian manifolds,J. Funct.Anal., 269 (2015), no.12, 3714-3764.
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