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: 60 Number: 1 YEAR: 2011
Faculty of Sciences, Ankara University 06100 Beúevler, Ankara – Turkey
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)
CAFER COùKUN Editor ELGøZ BAYRAM Managing Editor SAøT HALICIOöLU ADVISORY BOARD
ù.ALPAY METU I.GYORI Veszprem Univ.
A.ALTIN Ankara Univ. H.H.HACISALøHOöLU Ankara Univ.
A.AùKAR 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.ÇELEBø Yeditepe Univ C.ORHAN Ankara Univ. Ö.L.GEBøZLøOöLU 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).
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COMMUNICATIONS DERGø BAùEDøTÖRLÜöÜ Ankara Üniversitesi Fen Fakültesi, 06100 Tando÷an , 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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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: 60 Number: 1 YEAR: 2011
Abstracted in
Mathematical Reviews, Zentralblatt MATH &Tübitak - Ulakbim
Faculty of Sciences, Ankara University 06100 Beúevler, 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 : 60 Number : 1 Year : 2011
Series : A1
Z. AKÇA and R. KAYA; On planar fuzzy ternary rings ….………..1
I. AKKUS; The eigenvectors of a combinatorial matrix ..………....……...9
B. KESKøN, A. S. OZKAN and N. YALÇIN; Inverse spectral problems for discontinuous Sturm-Liouville operator with eigenparameter dependent boundary conditions. ….………...15
E. GÜLER and H. H. HACISALøHOöLU; Timelike rotational surfaces with lightlike profile curve ...……….……….…....27
ø. GÖK, Ç. CAMCI and H. H. HACISALøHOöLU; On surface theory in
3-dimensional almost contact metric manifold surface theory in Թ³(-3)...49
F. DOöAN and Y. YAYLI; .On the curvatures of tubular surface with
Bishop frame ………..59
R. E. DAöALP; Asymptotic properties of simple linear measurement error models ………71
