Nonlinear separable equations in linear spaces and commutative Leibniz algebras
Annales Polonici Mathematici, Tome 97 (2010) no. 3, pp. 219-241.

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We consider nonlinear equations in linear spaces and algebras which can be solved by a “separation of variables” obtained due to Algebraic Analysis. It is shown that the structures of linear spaces and commutative algebras (even if they are Leibniz algebras) are not rich enough for our purposes. Therefore, in order to generalize the method used for separable ordinary differential equations, we have to assume that in algebras under consideration there exist logarithmic mappings. Section 1 contains some basic notions and results of Algebraic Analysis. In Section 2 we consider equations in linear spaces. Section 3 contains results for commutative Leibniz algebras. In Section 4 basic notions and facts concerning logarithmic and antilogarithmic mappings are collected. Section 5 is devoted to separable nonlinear equations in commutative Leibniz algebras with logarithms.
DOI : 10.4064/ap97-3-2
Keywords: consider nonlinear equations linear spaces algebras which solved separation variables obtained due algebraic analysis shown structures linear spaces commutative algebras even leibniz algebras rich enough purposes therefore order generalize method separable ordinary differential equations have assume algebras under consideration there exist logarithmic mappings section contains basic notions results algebraic analysis section consider equations linear spaces section contains results commutative leibniz algebras section basic notions facts concerning logarithmic antilogarithmic mappings collected section devoted separable nonlinear equations commutative leibniz algebras logarithms

D. Przeworska-Rolewicz 1

1 Institute of Mathematics Polish Academy of Sciences Śniadeckich 8 00-956 Warszawa, Poland
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D. Przeworska-Rolewicz. Nonlinear separable equations
 in linear spaces and commutative Leibniz algebras. Annales Polonici Mathematici, Tome 97 (2010) no. 3, pp. 219-241. doi : 10.4064/ap97-3-2. http://geodesic.mathdoc.fr/articles/10.4064/ap97-3-2/

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