<s>
The	O
filled-in	B-Algorithm
Julia	I-Algorithm
set	I-Algorithm
is	O
the	O
(	O
absolute	O
)	O
complement	O
of	O
the	O
attractive	O
basin	O
of	O
infinity	O
.	O
</s>
<s>
The	O
attractive	O
basin	O
of	O
infinity	O
is	O
one	O
of	O
the	O
components	B-Algorithm
of	I-Algorithm
the	I-Algorithm
Fatou	I-Algorithm
set	I-Algorithm
.	O
</s>
<s>
In	O
other	O
words	O
,	O
the	O
filled-in	B-Algorithm
Julia	I-Algorithm
set	I-Algorithm
is	O
the	O
complement	O
of	O
the	O
unbounded	O
Fatou	B-Algorithm
component	I-Algorithm
:	O
</s>
<s>
If	O
the	O
filled-in	B-Algorithm
Julia	I-Algorithm
set	I-Algorithm
has	O
no	O
interior	O
then	O
the	O
Julia	B-Language
set	I-Language
coincides	O
with	O
the	O
filled-in	B-Algorithm
Julia	I-Algorithm
set	I-Algorithm
.	O
</s>
<s>
In	O
this	O
case	O
,	O
the	O
spine	O
of	O
the	O
filled	B-Algorithm
Julia	I-Algorithm
set	I-Algorithm
is	O
defined	O
as	O
arc	O
between	O
-fixed	B-Algorithm
point	I-Algorithm
and	O
,	O
</s>
<s>
Critical	B-Algorithm
point	I-Algorithm
always	O
belongs	O
to	O
the	O
spine	O
.	O
</s>
<s>
-fixed	B-Algorithm
point	I-Algorithm
is	O
a	O
landing	O
point	O
of	O
external	O
ray	O
of	O
angle	O
zero	O
,	O
</s>
