HAL Id: hal-00255837
https://hal.archives-ouvertes.fr/hal-00255837
Submitted on 14 Feb 2008
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The Minimal Logically-Defined NP-Complete Problem
Régis Barbanchon, Etienne Grandjean
To cite this version:
Régis Barbanchon, Etienne Grandjean. The Minimal Logically-Defined NP-Complete Problem. Lec-
ture Notes in Computer Science, Springer, 2004, pp.338-349. �hal-00255837�
"pending" g!edges The gadget True
"pending" g!edges
True
True True
Cj
Cj
Cj
Cj nCj
True
nCj nC
j nC
j nC
j nxi
xi
nxi nx
nx i nx i
i xi
xi xi
xi
True True
Cj True
xi xi Cj
f!edge g!edge
4 3
4 2
3
1 0
2 1
... ...
...
... ... ... ... ... ... ... ...
1 1 2 2 3 3 4 4
5 5
The variable has 5 occurrences. The occurrence 3 of occurs positively in the clause
The clause has length 4 True
!
"
#