<s>
In	O
mathematics	O
,	O
particularly	O
in	O
computer	B-Algorithm
algebra	I-Algorithm
,	O
Abramov	B-Algorithm
's	I-Algorithm
algorithm	I-Algorithm
computes	O
all	O
rational	O
solutions	O
of	O
a	O
linear	O
recurrence	O
equation	O
with	O
polynomial	O
coefficients	O
.	O
</s>
<s>
The	O
main	O
concept	O
in	O
Abramov	B-Algorithm
's	I-Algorithm
algorithm	I-Algorithm
is	O
a	O
universal	O
denominator	O
.	O
</s>
