| Article ID: | iaor20102912 |
| Volume: | 36 |
| Issue: | 6 |
| Start Page Number: | 734 |
| End Page Number: | 738 |
| Publication Date: | Nov 2008 |
| Journal: | Operations Research Letters |
| Authors: | Weismantel Robert, Louveaux Quentin, Andersen Kent |
We derive a certificate of integral infeasibility for linear systems with equations and inequalities by generating algebraically an outer description of a lattice point free polyhedron that contains the given integer infeasible system. The extension to the mixed integer setting is also derived.