<s>
In	O
mathematical	O
optimization	O
,	O
Cunningham	B-Algorithm
's	I-Algorithm
rule	I-Algorithm
(	O
also	O
known	O
as	O
least	O
recently	O
considered	O
rule	O
or	O
round-robin	O
rule	O
)	O
is	O
an	O
algorithmic	O
refinement	O
of	O
the	O
simplex	B-Algorithm
method	I-Algorithm
for	O
linear	B-Algorithm
optimization	I-Algorithm
.	O
</s>
<s>
Klee	B-Algorithm
–	I-Algorithm
Minty	I-Algorithm
cube	I-Algorithm
)	O
.	O
</s>
<s>
Cunningham	B-Algorithm
's	I-Algorithm
rule	I-Algorithm
assigns	O
a	O
cyclic	O
order	O
to	O
the	O
variables	O
and	O
remembers	O
the	O
last	O
variable	O
to	O
enter	O
the	O
basis	O
.	O
</s>
<s>
It	O
has	O
recently	O
been	O
shown	O
by	O
David	O
Avis	O
and	O
Oliver	O
Friedmann	O
that	O
there	O
is	O
a	O
family	O
of	O
linear	B-Algorithm
programs	I-Algorithm
on	O
which	O
the	O
simplex	B-Algorithm
algorithm	I-Algorithm
equipped	O
with	O
Cunningham	B-Algorithm
's	I-Algorithm
rule	I-Algorithm
requires	O
exponential	O
time	O
.	O
</s>
