This is an old revision of this page, as edited by 128.100.48.233(talk) at 23:06, 28 May 2010(←Created page with 'Based on the definition of "proper", it ensures that for inf(sup) problem, the lower/upper bound always exists.'). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.Revision as of 23:06, 28 May 2010 by 128.100.48.233(talk)(←Created page with 'Based on the definition of "proper", it ensures that for inf(sup) problem, the lower/upper bound always exists.')