<s>
Domain	B-Algorithm
reduction	I-Algorithm
algorithms	I-Algorithm
are	O
algorithms	O
used	O
to	O
reduce	O
constraints	O
and	O
degrees	O
of	O
freedom	O
in	O
order	O
to	O
provide	O
solutions	O
for	O
partial	O
differential	O
equations	O
.	O
</s>
