A generalization of Hermite interpolation.
Sun, Xiehua, Xie, Tingfan (1997)
International Journal of Mathematics and Mathematical Sciences
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Sun, Xiehua, Xie, Tingfan (1997)
International Journal of Mathematics and Mathematical Sciences
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Josef Kofroň (2001)
Applications of Mathematics
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The aim of the paper is to get an estimation of the error of the general interpolation rule for functions which are real valued on the interval , , have a holomorphic extension on the unit circle and are quadratic integrable on the boundary of it. The obtained estimate does not depend on the derivatives of the function to be interpolated. The optimal interpolation formula with mutually different nodes is constructed and an error estimate as well as the rate of convergence are obtained....
Y. Sagher (1971)
Studia Mathematica
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A. C. Zaanen (1940)
Compositio Mathematica
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Smith, Simon J. (2005)
Mathematica Pannonica
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Nicola Garofalo, Zhongwei Shen (1994)
Annales de l'institut Fourier
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We establish a Carleman type inequality for the subelliptic operator in , , where , . As a consequence, we show that has the strong unique continuation property at points of the degeneracy manifold if the potential is locally in certain spaces.
Gregorac, R.J. (1989)
International Journal of Mathematics and Mathematical Sciences
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Baica, Malvina (1986)
International Journal of Mathematics and Mathematical Sciences
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Bruce Chalmers, Grzegorz Lewicki (2000)
Annales Polonici Mathematici
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Let V be a two-dimensional real symmetric space with unit ball having 8n extreme points. Let λ(V) denote the absolute projection constant of V. We show that where is the space whose ball is a regular 8n-polygon. Also we reprove a result of [1] and [5] which states that for any two-dimensional real symmetric space V.