Open AccessDissertation
Painlevé equations and applications
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TLDR
In this article, the authors use averaged properties on a disc of variable radius to detect the Painleve property of a difference equation, which is used as a tool for detecting the integrability of difference equations.Abstract:
The theme running throughout this thesis is the Painleve equations, in their differential,
discrete and ultra-discrete versions The differential Painleve equations have
the Painleve property If all solutions of a differential equation are meromorphic
functions then it necessarily has the Painleve property Any ODE with the Painleve
property is necessarily a reduction of an integrable PDE
Nevanlinna theory studies the value distribution and characterizes the growth
of meromorphic functions, by using certain averaged properties on a disc of variable
radius We shall be interested in its well-known use as a tool for detecting
integrability in difference equations—a difference equation may be integrable if it
has sufficiently many finite-order solutions in the sense of Nevanlinna theory This
does not provide a sufficient test for integrability; additionally it must satisfy the
well-known singularity confinement test [Continues]read more
References
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