On non-point invertible transformations of difference and differential-difference equations.
Startsev, Sergey Ya. (2010)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Startsev, Sergey Ya. (2010)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Chrastinová, Veronika (1995)
Georgian Mathematical Journal
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Sakka, Ayman Hashem (2009)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Sophocleous, Christodoulos, Wiltshire, Ron J. (2006)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Levi, Decio, Petrera, Matteo, Scimiterna, Christian, Yamilov, Ravil (2008)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Meshkov, Anatoly G., Balakhnev, Maxim Ju. (2005)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Niamsup, Piyapong (2000)
International Journal of Mathematics and Mathematical Sciences
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Tychynin, Valentyn, Petrova, Olga, Tertyshnyk, Olesya (2007)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Čermák, Jan (1995)
Georgian Mathematical Journal
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Jan Kurek (1993)
Annales Polonici Mathematici
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We determine all natural transformations of the rth order cotangent bundle functor into in the following cases: r = s, r < s, r > s. We deduce that all natural transformations of into itself form an r-parameter family linearly generated by the pth power transformations with p =1,...,r.
He, Jingsong, Li, Yinghua, Cheng, Yi (2006)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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M. Baran, H. Haruki (1991)
Annales Polonici Mathematici
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The purpose of this paper is to solve two functional equations for generalized Joukowski transformations and to give a geometric interpretation to one of them. Here the Joukowski transformation means the function of a complex variable z.
Ibragimov, R.N. (2001)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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