STUDIA UNIVERSITATIS

AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN ROMÂNA ENGLISH INFOKIOSK CONTACT ADDRESSES SPECIAL ACCESS SUBSCRIPTION FORM NEWSLETTER & DOWNLOAD NEWEST ISSUES THIS YEAR ISSUES ALL ISSUES IN ARCHIVE FIND IN ARCHIVE HISTORY TODAY SCOP & OBJECTIVES THE TEAM


	The STUDIA UNIVERSITATIS BABEŞ-BOLYAI issue article summary The summary of the selected article appears at the bottom of the page. In order to get back to the contents of the issue this article belongs to you have to access the link from the title. In order to see all the articles of the archive which have as author/co-author one of the authors mentioned below, you have to access the link from the author's name.


	STUDIA MATHEMATICA - Issue no. 3 / 2014

	Article:	THE WEIGHTED MEAN OPERATOR ON l² WITH WEIGHT SEQUENCE w_n= (n + 1)^p IS HYPONORMAL FOR p = 2. Authors: .


	Abstract: Posinormality is used to demonstrate that the weighted mean matrix whose weight sequence is the sequence of squares of positive integers is a hyponormal operator on l². Mathematics Subject Classification (2010): 47B20. Keywords: hyponormal operator, posinormal operator, factorable matrix,weighted mean matrix.




			Back to previous page