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Showing 2003Show all
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hep-lat2003★ 41 cited
A numerical reinvestigation of the Aoki phase with N_f=2 Wilson fermions at zero temperature
E. -M. Ilgenfritz, W. Kerler, M. Mueller-Preussker +2
We report on a numerical reinvestigation of the Aoki phase in lattice QCD with two flavors of Wilson fermions where the parity-flavor symmetry is spontaneously broken. For this pur…
math.MG2003
Polynomial inequalities representing polyhedra
Hartwig Bosse, Martin Groetschel, Martin Henk
Our main result is that every n-dimensional polytope can be described by at most (2n-1) polynomial inequalities and, moreover, these polynomials can explicitly be constructed. For…