DE LA FACULTE DES SCIENCES FACULTY OF SCIENCES
DE L’UNIVERSITE D’ANKARA UNIVERSITY OF ANKARA
Series A1: Mathematics and Statistics
VOLUME: 58 Number: 2 YEAR: 2009
Faculty of Sciences, Ankara University 06100 Beşevler, Ankara – Turkey
C O M M U N I C A T I O N S
DE LA FACULTE DES SCIENCES FACULTY OF SCIENCES
DE L’UNIVERSITE D’ANKARA UNIVERSITY OF ANKARA
Series A1: Mathematics and Statistics
Owner MUAMMER CANEL Editor-in-Chief (Publishing Manager)
ÖNER ÇAKAR Assoc. Editor CAFER COŞKUN Editor ELGİZ BAYRAM Managing Editor SAİT HALICIOĞLU ADVISORY BOARD
Ş.ALPAY METU I.GYORI Veszprem Univ.
A.ALTIN Ankara Univ. H.H.HACISALİHOĞLU Ankara Univ.
A.AŞKAR Koç Univ. V.KALANTAROV Koç Univ.
A.AYTUNA Sabancı Univ. A.M.KRALLThe Pensylvania State Univ.
D.BAINOV Sofia Univ. A.O.MORRIS Wales Univ.
L.M.BROWN Hacettepe Univ. T.NOIRI Yatsushiro Coll.Tech. O.ÇELEBİ Yeditepe Univ C.ORHAN Ankara Univ. Ö.L.GEBİZLİOĞLU Ankara Univ. Y.TUNÇER Ankara Univ.
This Journal is published two issues in a year by the Faculty of Sciences, University of Ankara. Articles and any other material published in this journal represent the opinions of the author(s) and should not be construed to reflect the opinions of the Editor(s) and the Publisher(s).
Correspondence Address:
COMMUNICATIONS DERGİ BAŞEDİTÖRLÜĞÜ Ankara Üniversitesi Fen Fakültesi, 06100 Tandoğan , ANKARA – TURKEY Tel: (90) 312-212 67 20 Fax: (90) 312-223 23 95 e-mail: commun@science.ankara.edu.tr
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Ankara Üniversitesi Basımevi İncitaş Sokak No:10 06510 Beşevler ANKARA – TURKEY
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C O M M U N I C A T I O N S
DE LA FACULTE DES SCIENCES FACULTY OF SCIENCES
DE L’UNIVERSITE D’ANKARA UNIVERSITY OF ANKARA
Series A1: Mathematics and Statistics
VOLUME: 58 Number: 2 YEAR: 2009
Abstracted in
Mathematical Reviews, Zentralblatt MATH &Tübitak - Ulakbim
Faculty of Sciences, Ankara University 06100 Beşevler, Ankara – Turkey
C O M M U N I C A T I O N S
DE LA FACULTE DES SCIENCES FACULTY OF SCIENCES
DE L’UNIVERSITE D’ANKARA UNIVERSITY OF ANKARA
Volume : 58 Number : 2 Year : 2009 Series : A1
A. FARZANEH, H. KHEİRİ and M. B. SHAHMERSİ; An efficient storage format for large sparse matrices ………...………..1 A.F. YALINIZ and H.H. HACISALİHOĞLU; Characterizations of inclined curves which is concerned with osculating sphere in Lⁿ for space-like curves……11 F. H. NASÍBOV and A. KAÇAR; Annihilator concept and its application to best approximation theory ……….31 Ö. GÖLBAŞI and E. KOÇ; Notes on commutativity of prime rings with generalized derivation ...……….………...….39
