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      Echelons of power series and Gabrielov’s counterexample to nested linear Artin Approximation 

      Alonso García, María Emilia; Castro Jiménez, Francisco Jesús; Hauser, Herwig; Koutschan, Christoph (London Mathematical Society, 2018)
      Gabrielov’s famous example for the failure of analytic Artin approximation in the presence of nested subring conditions ...
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      Encoding algebraic power series 

      Alonso García, María Emilia; Castro Jiménez, Francisco Jesús; Hauser, Herwig (Springer, 2017)
      The division algorithm for ideals of algebraic power series satisfying Hironaka’s box condition is shown to be finite when ...