The higher derivatives of the inverse tangent function and rapidly convergent BBP-type formulas for pi.
Adegoke, Kunle, Layeni, Olawanle (2010)
Applied Mathematics E-Notes [electronic only]
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Adegoke, Kunle, Layeni, Olawanle (2010)
Applied Mathematics E-Notes [electronic only]
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Vladimir I. Rukasov, Olga G. Rovenska (2009)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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We investigate approximation properties of de la Vallee Poussin right-angled sums on the classes of periodic functions of several variables with a high smoothness. We obtain integral presentations of deviations of de la Vallee Poussin sums on the classes .
Wituła, Roman, Słota, Damian (2007)
Journal of Integer Sequences [electronic only]
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Laohakosol, Vichian, Tangsupphathawat, Pinthira, Dangskul, Supreedee (2010)
Applied Mathematics E-Notes [electronic only]
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Balasubramanian, R., Ponnusamy, S. (1996)
Bulletin of the Belgian Mathematical Society - Simon Stevin
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Wang, Kunyang (2006)
JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
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Robert Černý, Jan Kolář, Mirko Rokyta (2011)
Commentationes Mathematicae Universitatis Carolinae
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We show that for every , there is a set such that is a monotone measure, the corresponding tangent measures at the origin are not unique and has the -dimensional density between and everywhere on the support.