<s>
In	O
computer	B-General_Concept
science	I-General_Concept
,	O
more	O
particularly	O
in	O
formal	O
language	O
theory	O
,	O
a	O
cyclic	B-General_Concept
language	I-General_Concept
is	O
a	O
set	O
of	O
strings	O
that	O
is	O
closed	O
with	O
respect	O
to	O
repetition	O
,	O
root	O
,	O
and	O
cyclic	O
shift	O
.	O
</s>
<s>
is	O
cyclic	O
,	O
but	O
not	O
regular	B-General_Concept
.	O
</s>
