On polynomial solutions of linear operator equations
ISSAC '95 Proceedings of the 1995 international symposium on Symbolic and algebraic computation
An algorithm computing the regular formal solutions of a system of linear differential equations
Journal of Symbolic Computation - Special issue on differential algebra and differential equations
Special formal series solutions of linear operator equations
Discrete Mathematics
Fast evaluation of holonomic functions near and in regular singularities
Journal of Symbolic Computation
On solutions of linear functional systems
Proceedings of the 2001 international symposium on Symbolic and algebraic computation
Journal of Symbolic Computation
Higher-order linear differential systems with truncated coefficients
CASC'11 Proceedings of the 13th international conference on Computer algebra in scientific computing
On regular and logarithmic solutions of ordinary linear differential systems
CASC'05 Proceedings of the 8th international conference on Computer Algebra in Scientific Computing
Linear differential and difference systems: EGδ- and EGσ- eliminations
Programming and Computing Software
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The following problem is considered: given a system of linear ordinary differential equations of arbitrary order with power series coefficients, to recognize whether it has regular solutions at point 0 and, if it does, to find them. An algorithm for solving this problem is proposed. Each power series that is a coefficient of the original system is specified by a procedure that computes the series coefficient by the index of this coefficient. The original system is assumed to have full rank; i.e., the equations of the system are independent. The algorithm is implemented in Maple.