{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,22]],"date-time":"2026-04-22T08:37:39Z","timestamp":1776847059985,"version":"3.51.2"},"reference-count":17,"publisher":"American Mathematical Society (AMS)","issue":"256","license":[{"start":{"date-parts":[[2007,6,26]],"date-time":"2007-06-26T00:00:00Z","timestamp":1182816000000},"content-version":"am","delay-in-days":365,"URL":"https:\/\/www.ams.org\/publications\/copyright-and-permissions"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Math. Comp."],"abstract":"<p>This paper deals with the a posteriori error analysis of mixed finite element methods for second order elliptic equations. It is shown that a reliable and efficient error estimator can be constructed using a postprocessed solution of the method. The analysis is performed in two different ways: under a saturation assumption and using a Helmholtz decomposition for vector fields.<\/p>","DOI":"10.1090\/s0025-5718-06-01872-2","type":"journal-article","created":{"date-parts":[[2006,8,16]],"date-time":"2006-08-16T10:28:45Z","timestamp":1155724125000},"page":"1659-1674","source":"Crossref","is-referenced-by-count":94,"title":["Energy norm a posteriori error estimates for mixed finite element methods"],"prefix":"10.1090","volume":"75","author":[{"given":"Carlo","family":"Lovadina","sequence":"first","affiliation":[]},{"given":"Rolf","family":"Stenberg","sequence":"additional","affiliation":[]}],"member":"14","published-online":{"date-parts":[[2006,6,26]]},"reference":[{"issue":"4","key":"1","doi-asserted-by":"publisher","first-page":"385","DOI":"10.1007\/s002110050222","article-title":"Error estimators for a mixed method","volume":"74","author":"Alonso, A.","year":"1996","journal-title":"Numer. 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