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Spectral estimates for resolvent differences of self-adjoint elliptic operators
Spectral estimates resolvent differences
2011/2/24
The notion of quasi boundary triples and their Weyl functions is an abstract concept to treat spectral and boundary value problems for elliptic partial differential equations.
Approximate variances for tapered spectral estimates
Asymptotic variance data taper (smoothed) periodogram
2010/12/15
We propose an approximation of the asymptotic variance that removes a certain discontinuity in the formula for the raw and the smoothed periodogram in case a data taper is used. It is based on an appr...
Spectral Estimates of Bed Shear Stress at Subcritical Reynolds Numbers in a Tidal Boundary Layer
Bed Shear Stress Subcritical Reynolds Numbers Tidal Boundary Layer
2008/12/22
Velocity measurements from five levels in the constant-stress region of a neutrally stratified turbulent boundary layer are used to show that below a critical height the spectral energy density in the...