Hilbert's tenth problem
Special formal series solutions of linear operator equations
Discrete Mathematics
Polynomial Algorithms in Computer Algebra
Polynomial Algorithms in Computer Algebra
Hauptvortrag: Quantifier elimination for real closed fields by cylindrical algebraic decomposition
Proceedings of the 2nd GI Conference on Automata Theory and Formal Languages
Power series solutions for non-linear PDE's
ISSAC '03 Proceedings of the 2003 international symposium on Symbolic and algebraic computation
On polynomial solutions of linear partial differential and (q-)difference equations
CASC'12 Proceedings of the 14th international conference on Computer Algebra in Scientific Computing
On rational solutions of linear partial differential or difference equations
Programming and Computing Software
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It is proved that the problem of checking the existence of solutions of linear partial differential equations with polynomial coefficients is algorithmically undecidable. Decidability of the problem of checking the existence of monomial solutions with real and complex exponents is established.