2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/148895We discuss numerical complexity of the Lüscher algorithm applied to the Hubbard Model. In particular we present comparison to a certain algorithm based on direct computation of the fermionic determinant.3 pages, espcrc2.sty, latex, 2 figures. Talk presented at LATTICE96(algorithms). Revised version. Some spelling errors has been correctedHigh Energy Physics - LatticeHubbard Model and Luscher fermionstext