Results 71 to 80 of about 200 (141)
A $p$-adic analog of Wirtinger's inequality.
Michigan Mathematical Journal, 1996 In classical Fourier analysis, for a nonvanishing complex-valued \(C^1\)-function \(f\) on the unit circle one proves that \(f\) has no zeros on some arc whose length can be expressed in terms of Fourier coefficients of \(f\) and \(f'\). In the present paper, the following \(p\)-adic version is proved.
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Wirtinger-Beesack integral inequalities
Electronic Journal of Differential Equations, 2005 Let \(I = (\alpha,\beta)\), \(-\infty\leq \alpha 0\), \(\varphi > 0\) on \(I\) and \(r\varphi''' \in AC^2(I)\). Put \(s=-(r\varphi''')'''\varphi^{-1}\). The aim of the paper is to establish the integral inequality \[ \int_I sh^2dt \leq \int_I r(h''')^2 dt \quad\text{for all} \;h \in H, \] where \(H \subset AC^2(I)\) is a convenient class of functions ...
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A Refinement of the Discrete Wirtinger Inequality
Journal of Mathematical Analysis and Applications, 1996 In the present paper, the following refinement of Tang's discrete Wirtinger inequality [\textit{D. Tang}, Bull. Aust. Math. Soc. 43, No. 3, 467-474 (1991; Zbl 0751.26006)] is established: Theorem A. Let \(f(\theta)\) be a positive \(C^2\)-function on \((0,\ell)\) such that \(f'(\theta) f''(\theta) \neq 0\) and \(f'(\theta)^2 - f(\theta)f''(\theta ...
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Restarted holomorphic embedding power flow method [PDF]
, 2018 Dissertação (mestrado)—Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Elétrica, 2018.Esta dissertação apresenta uma formulação básica do método de fluxo de carga com adaptação holomórfica, do inglês Holomorphic Embedding ...
Santos Junior, Aluisio Cesar dos
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Theorems of the Phragmén-Lindelöf type on an open Riemann surface [PDF]
, 1954 Kuroda, Tadashi
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Aplicações numéricas e combinatórias de polinómios de Appell generalizados [PDF]
, 2014 Doutoramento em MatemáticaThis thesis studies properties and applications of different generalized Appell polynomials in the framework of Clifford analysis.
Cruz, Carla Maria
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Fixed point indices and existence theorems for semilinear equations in cones [PDF]
, 1997 The purpose of this thesis is to develop fixed point indices for A-proper semilinear operators defined on cones in Banach spaces and use the results to obtain existence theorems to semilinear equations.
Cremins, Casey Timothy
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Variations of discrete analogues of Wirtinger's inequality [PDF]
, 1980 Novotná, Jarmila
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