Abstract
A ring of linear differential operators with smooth coefficients generated by two differentiations is considered. Concepts of operators closed with respect to commutation, a resultant of two operators, and a two-dimensional analogue of Wronskian are introduced. Sufficient conditions that two differential operators are generators of a left ideal annihilating a finite-dimensional space of functions are found. Differential operators annihilating given functions are constructed. The operators obtained transform solutions of one secondorder differential equation into solutions of another equation of the same order.
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Original Russian Text © O.V. Kaptsov, 2010, published in Programmirovanie, 2010, Vol. 36, No. 2.
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Kaptsov, O.V. Ideals of differential operators and transformations of linear partial differential equations. Program Comput Soft 36, 97–102 (2010). https://doi.org/10.1134/S0361768810020076
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DOI: https://doi.org/10.1134/S0361768810020076