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ACTA MATHEMATICA
UNIVERSITATIS COMENIANAE






Volume 82 (2013), No. 2

CONTENTS

On dual of Banach sequence spaces
A. A. Ledari and V. Parvaneh

p. 159
Abstract                               PDF                               Compressed Postscript  
Some fixed point theorems for ordered Reich type contractions in cone rectangular
metric spaces

S. K. Malhotra, S. Shukla and R. Sen
  p. 165
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On the geodesic torsion of a tangential intersection curve of two surfaces in R3
B. U. Dűldűl and M. Çalışkan
  p. 177
Abstract                               PDF                               Compressed Postscript  
Properties of the interval graph of a Boolean function
L. Haviarová and E. Toman
p. 191
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On the recursive system   xn+1 = A + xn-m / yn,   yn+1 = B + yn-m / xn
Qianhong Zhang, Lihui Yang and Jingzhong Liu
p. 201
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On M-projective curvature tensor of a generalized Sasakian space forms
Venkatesha and B. Sumangala
p. 209
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Pre-image entropy for maps on noncompact topological spaces
Lei Liu
p. 219
Abstract                               PDF                               Compressed Postscript  
Lyapunov operator inequalities for exponential stability of linear skew-product semiflows
in Banach spaces of compact spaces

Praţa C.
p. 231
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On integrability conditions of functions related to the formal trigonometric series
belonging to Orlicz space

Xh. Z. Krasniqi
p. 243
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Characterizations of twisted product manifolds to be warped product manifolds
S. Kazan and B. Sahin
p. 253
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Slowly varying solutions of a class of first order systems of nonlinear differential equations
J. Jaroš and Takaŝi Kusano
p. 265
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On (weak) Gorenstein global dimensions
N. Mahdou and M. Tamekkante
p. 285
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A note on some generalized summability methods
E. Savas, P. Das and S. Dutta
p. 297
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