From chemistry-request@ccl.net Tue May 7 23:55:40 1991 Date: Tue, 7 May 91 22:24:35 CDT From: nicholas@mulliken.mcs.anl.GOV (John Nicholas) Subject: Re: Repeated postings to Comp.Chem.List To: chemistry@ccl.net, jkl@ccl.net Status: R I have repeatedly requested the chemistry list and chem software list using the procedure described. The mail seems to get to you (no dead letters) but I never get the lists sent to me. Is there a problem somewhere? John Nicholas nicholas@anl.tcg.gov From jkl@ccl.net Wed May 8 11:18:28 1991 Date: Wed, 8 May 91 10:16:09 -0400 From: jkl@ccl.net Subject: Block Davidson Algorithm To: chemistry@ccl.net Status: R I am forwarding a message which was sent to chemistry-request@ccl.net instead of chemistry@ccl.net. Please respond to this message to chemistry@ccl.net (not to jkl@ccl.net). Votre concierge postale: jkl@ccl.net >From VANCAMP@phs.uia.ac.be Wed May 8 09:21:46 1991 >Date: Wed, 8 May 91 10:38 N >From: VANCAMP%phs.uia.ac.be@OHSTVMA.ACS.OHIO-STATE.EDU >Subject: Block Davidson Algorithm >To: chemistry-request@ccl.net Hi, Does anybody out there knows where I can find a good (i.e. efficientand and a correct treatment of the degeneracies) implementation of the block Davidson method to determine a small number of the lowest eigenvalues and eigenvectors of a large Hermitian matrix. P. Vancamp University of Antwerp RUCA Applied Mathematics Groenenborgerlaan 171 B - 2020 Antwerpen Belgiouum Vvancamp@banruc60.bitnet