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In this expository paper we consider various approaches to multisummability. We apply it to nonlinear ODE's and give a somewhat modified proof of multisummability of formal solutions of ODE's with levels 1 and 2 via Écalle's method involving convolution equations.
Boele Braaksma. "Multisummability and ordinary meromorphic differential equations." Banach Center Publications 97.1 (2012): 29-38. <http://eudml.org/doc/281949>.
@article{BoeleBraaksma2012, abstract = {In this expository paper we consider various approaches to multisummability. We apply it to nonlinear ODE's and give a somewhat modified proof of multisummability of formal solutions of ODE's with levels 1 and 2 via Écalle's method involving convolution equations.}, author = {Boele Braaksma}, journal = {Banach Center Publications}, keywords = {multisummability; meromorphic ordinary differential equations; Laplace and Borel transforms; Gevrey properties; convolution equations}, language = {eng}, number = {1}, pages = {29-38}, title = {Multisummability and ordinary meromorphic differential equations}, url = {http://eudml.org/doc/281949}, volume = {97}, year = {2012}, }
TY - JOUR AU - Boele Braaksma TI - Multisummability and ordinary meromorphic differential equations JO - Banach Center Publications PY - 2012 VL - 97 IS - 1 SP - 29 EP - 38 AB - In this expository paper we consider various approaches to multisummability. We apply it to nonlinear ODE's and give a somewhat modified proof of multisummability of formal solutions of ODE's with levels 1 and 2 via Écalle's method involving convolution equations. LA - eng KW - multisummability; meromorphic ordinary differential equations; Laplace and Borel transforms; Gevrey properties; convolution equations UR - http://eudml.org/doc/281949 ER -