A further discussion on Galambos problem.
Shen, Lu-ming, Liu, Yue-hua, Zhou, Yu-yuan (2007)
Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only]
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Shen, Lu-ming, Liu, Yue-hua, Zhou, Yu-yuan (2007)
Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only]
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Dragan, Vasile, Freiling, Gerhard, Hochhaus, Andreas, Morozan, Toader (2004)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Fan, Qiyi, Wang, Wentao, Yi, Xuejun, Huang, Lihong (2010)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Tunç, Cemil (2009)
Bulletin of the Malaysian Mathematical Sciences Society. Second Series
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Liu, Xinzhi, Stechlinski, Peter (2010)
The Journal of Nonlinear Sciences and its Applications
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Tanel Mullari, Űlle Kotta, Sven Nŏmm, Maris Tŏnso (2006)
Control and Cybernetics
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Voisei, Mircea D. (2005)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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A. T. Ademola, P. O. Arawomo (2011)
Kragujevac Journal of Mathematics
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Ronto, A.N., Rontó, M., Samoilenko, A.M., Trofimchuk, S.I. (2001)
Georgian Mathematical Journal
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Hai-Yan Li, Yun-An Hu, Rui-Qi Wang (2013)
Kybernetika
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This paper is concerned with the finite-time synchronization problem for a class of cross-strict feedback underactuated hyperchaotic systems. Using finite-time control and backstepping control approaches, a new robust adaptive synchronization scheme is proposed to make the synchronization errors of the systems with parameter uncertainties zero in a finite time. Appropriate adaptive laws are derived to deal with the unknown parameters of the systems. The proposed method can be applied...
Ming-Xing Wang, Alberto Cabada, Juan J. Nieto (1993)
Annales Polonici Mathematici
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The purpose of this paper is to study the periodic boundary value problem -u''(t) = f(t,u(t),u'(t)), u(0) = u(2π), u'(0) = u'(2π) when f satisfies the Carathéodory conditions. We show that a generalized upper and lower solution method is still valid, and develop a monotone iterative technique for finding minimal and maximal solutions.