Geodesic
On nonintegral vertices of 3-SAT problem relaxation polytope
Modelirovanie i analiz informacionnyh sistem, Tome 17 (2010) no. 2, pp. 99-111

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New facts characterizing the vertex set of 3-SAT problem relaxation polytope are established. In particular, the question of preservation of nonintegral vertices under additional linear constraints of stronger relaxations is examined.
Keywords: combinatorial optimization, computational complexity theory, polytopes, face lattice, linear programming. 
@article{MAIS_2010_17_2_a5,
     author = {A. V. Nikolaev},
     title = {On nonintegral vertices of {3-SAT} problem relaxation polytope},
     journal = {Modelirovanie i analiz informacionnyh sistem},
     pages = {99--111},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAIS_2010_17_2_a5/}
}
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A. V. Nikolaev. On nonintegral vertices of 3-SAT problem relaxation polytope. Modelirovanie i analiz informacionnyh sistem, Tome 17 (2010) no. 2, pp. 99-111. http://geodesic.mathdoc.fr/item/MAIS_2010_17_2_a5/