Open Access

Classes of elliptic matrices

Journal of Inequalities and Applications20062006:74171

DOI: 10.1155/JIA/2006/74171

Received: 12 December 2005

Accepted: 21 February 2006

Published: 7 June 2006


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.


Authors’ Affiliations

Dipartimento di Matematica “L. Tonelli”, Università di Pisa


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© Antonio Tarsia 2006

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