An existence theorem for solutions of second order non-linear ordinary differential equations in the complex domain
Steven Bank (1968)
Rendiconti del Seminario Matematico della Università di Padova
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Steven Bank (1968)
Rendiconti del Seminario Matematico della Università di Padova
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Steven B. Bank (1991)
Rendiconti del Seminario Matematico della Università di Padova
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Steven B. Bank (1994)
Rendiconti del Seminario Matematico della Università di Padova
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John Shackell (1995)
Annales de l'institut Fourier
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We consider the asymptotic growth of Hardy-field solutions of algebraic differential equations, e.g. solutions with no oscillatory component, and prove that no ‘sub-term’ occurring in a nested expansion of such can tend to zero more rapidly than a fixed rate depending on the order of the differential equation. We also consider series expansions. An example of the results obtained may be stated as follows. Let be an element of a Hardy field which has an asymptotic series...
Steven Bank (1970)
Compositio Mathematica
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Elves A. de B. Silva, Sérgio H. M. Soares (1999)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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James E. Brennan, Alexander L. Volberg (1993)
Publicacions Matemàtiques
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In this note we present a simple proof of a theorem of Hornblower which characterizes those functions analytic in the open unit disk having asymptotic values at a dense set in the boundary. Our method is based on a kind of ∂-mollification and may be of use in other problems as well.
F. Beukers, K. Väänänen, T. Matala-Aho (1983)
Acta Arithmetica
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