Value distribution of meromorphic solutions of certain difference Painlevé III equations
2018
In this paper, we investigate the difference Painleve III equations w
(
z
+
1
)
w
(
z
−
1
)
(
w
(
z
)
−
1
)
2
=
w
2
(
z
)
−
λ
w
(
z
)
+
μ
$w(z+1)w(z-1)(w(z)-1)^{2}=w^{2}(z)-\lambda w(z)+\mu$
(
λ
μ
≠
0
$\lambda\mu\neq 0$
) and w
(
z
+
1
)
w
(
z
−
1
)
(
w
(
z
)
−
1
)
2
=
w
2
(
z
)
$w(z+1)w(z-1)(w(z)-1)^{2}=w^{2}(z)$
, and obtain some results about the properties of the finite order transcendental meromorphic solutions. In particular, we get the precise estimations of exponents of convergence of poles of difference Δ
w
(
z
)
=
w
(
z
+
1
)
−
w
(
z
)
$\Delta w(z)=w(z+1)-w(z)$
and divided difference Δ
w
(
z
)
w
(
z
)
$\frac{\Delta w(z)}{w(z)}$
, and of fixed points of w
(
z
+
η
)
$w(z+\eta)$
(
η
∈
C
∖
{
0
}
$\eta\in C\setminus\{0\}$
).
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