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  • Research Article
  • Open Access

Classes of elliptic matrices

Journal of Inequalities and Applications20062006:74171

  • Received: 12 December 2005
  • Accepted: 21 February 2006
  • Published:


The equivalence between some conditions concerning elliptic matrices is shown, namely, the Cordes condition, a generalized form of Campanato's condition, and a generalized form of a condition of Buică.


  • Cordes Condition
  • Elliptic Matrice


Authors’ Affiliations

Dipartimento di Matematica “L. Tonelli”, Università di Pisa, Largo Bruno Pontecorvo 5, Pisa, 56127, Italy


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© Antonio Tarsia 2006

This article is published under license to BioMed Central Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.