The study of triple integral equations with generalized Legendre functions.
Singh, B.M., Rokne, J., Dhaliwal, R.S. (2008)
Abstract and Applied Analysis
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Singh, B.M., Rokne, J., Dhaliwal, R.S. (2008)
Abstract and Applied Analysis
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Singh, B.M., Rokne, J.G., Dhaliwal, R.S. (2007)
International Journal of Mathematics and Mathematical Sciences
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Ekici, Cumali, Ünlütürk, Yasin, Dede, Mustafa, Ryuh, B.S. (2008)
Mathematical Problems in Engineering
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Rafael López, Esma Demir (2014)
Open Mathematics
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We classify all helicoidal non-degenerate surfaces in Minkowski space with constant mean curvature whose generating curve is a the graph of a polynomial or a Lorentzian circle. In the first case, we prove that the degree of the polynomial is 0 or 1 and that the surface is ruled. If the generating curve is a Lorentzian circle, we prove that the only possibility is that the axis is spacelike and the center of the circle lies on the axis.
Mandal, B.N. (1992)
International Journal of Mathematics and Mathematical Sciences
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Chakrabarti, Rathindra Nath, Mandal, Birendranath (1983)
International Journal of Mathematics and Mathematical Sciences
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Derya Sağlam, Özgür Boyacıoğlu Kalkan (2013)
Matematički Vesnik
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Bang-Yen Chen (2010)
Open Mathematics
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A Lorentz surface of an indefinite space form is called a parallel surface if its second fundamental form is parallel with respect to the Van der Waerden-Bortolotti connection. Such surfaces are locally invariant under the reflection with respect to the normal space at each point. Parallel surfaces are important in geometry as well as in general relativity since extrinsic invariants of such surfaces do not change from point to point. Recently, parallel Lorentz surfaces in 4D neutral...
Gorgui, M.A., Faltas, M.S. (1986)
International Journal of Mathematics and Mathematical Sciences
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S. Klainerman, P. Sarnak (1981)
Annales de l'I.H.P. Physique théorique
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E. Scott (1957)
Annales Polonici Mathematici
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