MIT
98
Approximation Algorithms
l
Computing
FAIL(
p
)
is
#P
complete [V]
l
Exact algorithm seems unlikely
l
Approximation scheme
»
Given
G, p,
e
,
outputs
e
-approximation
»
May be randomized:
–
succeed with high probability
»
Fully polynomial (
FPRAS
) if runtime is
polynomial in
n, 1/
e