Werner Balser Books

From Divergent Power Series to Analytic Functions: Theory and Application of Multisummable Power Series
Formal Power Series and Linear Systems of Meromorphic Ordinary Differential Equations
Formal Power Series and Linear Systems of Meromorphic Ordinary Differential Equations

By Werner Balser

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Simple Ordinary Differential Equations may have solutions in terms of power series whose coefficients grow at such a rate that the series has a radius of convergence equal to zero. In fact, every l...

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From divergent power series to analytic functions
Formal and analytic solutions of differential and difference equations

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