2012-09-19T09:28:47Z2012-09-21T07:15:07Zhttp://cab.unime.it/mus/id/eprint/575This item is in the repository with the URL: http://cab.unime.it/mus/id/eprint/5752012-09-19T09:28:47ZModuli di dimensione proiettiva 2 e loro Algebre simmetricheLet R be a communicative noetherian ring with identity, and let E be a finite generated module of projective dimension 2 and second Betti number 3. We establish sufficient conditions for the integrity of the symmetric algebra of E in relation to the aciclicity of the Z (E) - complex of approssimation of E and to the depth of the esternal power of either the $1^{th}$ sizigy of E or theirs duals and biduals.Anna Maria Rita Giordano