Integrability of planar nilpotent differential systems through the existence of an inverse integrating factor
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In this work is characterized the analytic integrability problem around a nilpotent singularity for differential systems in the plane under generic conditions. The analytic integrability problem is characterized via the existence of a formal inverse integrating factor. The relation between the analytic
integrability and the existence of an algebraic inverse integrating factor is also given.
Is part ofCommunications in Nonlinear Science and Numerical Simulation, 2019, vol. 71, p. 130-140
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