Gradient estimation of a -harmonic map.
Wang, Bei, Ma, Li (2010)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Wang, Bei, Ma, Li (2010)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Roger Boudet (1996)
Banach Center Publications
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A relativistic calculation of the Lamb shift, using the classical field created by the Dirac transition currents, is proposed.
Jeffres, Thalia, Lancaster, Kirk (2008)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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J. Madore, A. Papapetrou (1971)
Annales de l'I.H.P. Physique théorique
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Đurđica Takači, Dragoslav Herceg, Radivoje Stojković (2005)
The Teaching of Mathematics
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Klaudiusz Wójcik (2000)
Annales Polonici Mathematici
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We show that under some assumptions on the function f the system generates chaotic dynamics for sufficiently small parameter ϕ. We use the topological method based on the Lefschetz fixed point theorem and the Ważewski retract theorem.
Cheng, Sui Sun, Huang, Shao Yuan (2009)
Applied Mathematics E-Notes [electronic only]
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Nadjafikhah, Mehdi, Forough, Ahmad-Reza (2009)
APPS. Applied Sciences
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Dzagnidze, O. (1999)
Georgian Mathematical Journal
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Bo Li, Yanping Zhuang, Xiquan Liang (2008)
Formalized Mathematics
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In this article, we give some important properties of forward difference, backward difference, central difference and difference quotient and forward difference, backward difference, central difference and difference quotient formulas of some special functions [11].MML identifier: DIFF 2, version: 7.8.09 4.97.1001
Swanhild Bernstein (1996)
Banach Center Publications
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We consider the Dirac-type operators D + a, a is a paravector in the Clifford algebra. For this operator we state a Cauchy-Green formula in the spaces and . Further, we consider the Cauchy problem for this operator.
Haryono Tandra (2013)
The Teaching of Mathematics
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