2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/216761I will present a method for providing initial guesses to a linear solver for systems with multiple shifts. This can also be extended to the case of multiple sources each with a different shift.7 pages, talk presented at the XXVI International Symposium on Lattice Field Theory, July 14-19, 2008, Williamsburg, Virginia, USA. Colors in the tables have been replaced with italics in the arXiv version. See the PoS version for correct colors (or use pdflatex from the source)High Energy Physics - Latticetext