Proceedings of the Estonian Academy of Sciences, Physics and Mathematics |
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atmosphere subjected Banach space characteristic polynomial collimated strip model complex root boundaries cosine varying collimated daily erythemal doses daily mean developed markets dimensionless emissive power equation Estonian Acad Estonian Academy Publishers financial time series finite Geophys Hurst exponent hypercube hyperplane identification problem incident radiation integral inverse problem Janno Lemma line segments Lorenzi low cloud amount Math mean low cloud mean total cloud measured minimal distance monic polynomial monic Schur polynomials MSCI EMF multifractal negative reflection vector optical depth optical thickness Phys polynomial a(z polynomial coefficient space Proc radiation field radiative flux ratio of TOMS-derived real root boundary reflection coefficients reflection vector margin relative sunshine duration relaxation functions relaxation kernels Riga Stock Exchange satellite satellite-retrieved solution stability boundary stability margins stability radius standard deviation summer half-year Tallinn Tartu tenths Theorem Toravere total cloud amount total ozone unit circle University of Tartu viscoelastic