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ACTA MATHEMATICA
UNIVERSITATIS COMENIANAE





Volume 78 (2009), No. 1

CONTENTS
Galois-type connections and closure operations on preordered sets
Á. Száz
  p. 1
Abstract                               PDF                               Compressed Postscript  
Nonautonomous Livšic colligations and hyponormal operators
I. V. Vorobyov
  p. 23
Abstract                               PDF                               Compressed Postscript  
Analytic extension of a maximal surface in L3 along its boundary
Doan The Hieu and Nguyen Van Hanh
 p. 29
Abstract                               PDF                               Compressed Postscript  
Existence and Posner's theorem for α-derivations in prime near-rings
M. S. Samman
p. 37
Abstract                               PDF                               Compressed Postscript  
About the bivariate operators of Kantorovich-type
O. T. Pop and M. D. Fărcaş
p. 43
Abstract                               PDF                               Compressed Postscript  
Maximal Operators of the Fejér means of the two dimensional character
system of the p-series field in the Kaczmarz rearrangement
U. Goginava
p. 53
Abstract                               PDF                               Compressed Postscript  
A mean value property for pairs of integrals
A. B. Mingarelli, J. M. Pacheco and A. Plaza
p. 65
Abstract                               PDF                               Compressed Postscript  
A note on multivalued iterative equation
Lin Li
p. 71
Abstract                               PDF                               Compressed Postscript  
Behavior at infinity of convolution type integrals
M. G. Hajibayov
p. 75
Abstract                               PDF                               Compressed Postscript  
An American convert close to maturity
G. Alobaidi and R. Mallier
p. 87
Abstract                               PDF                               Compressed Postscript  
Two-generated ideals of linear type with negative coefficients
H. Kulosman
p. 97
Abstract                               PDF                               Compressed Postscript  
New classes of k-uniformly convex and starlike functions with respect
to other points
C. Selvaraj and K. A. Selvakumaran
p. 103
Abstract                               PDF                               Compressed Postscript  
Valuations on the ring of arithmetical functions
A. Zaharescu and M. Zaki
p. 115
Abstract                               PDF                               Compressed Postscript  
Some families of p-valent functions with negative coefficients
M. K. Aouf
p. 121
Abstract                               PDF                               Compressed Postscript  
Strong stably finite rings and some extensions
M. R. Vedadi
p. 137
Abstract                               PDF                               Compressed Postscript  
Some Covering Spaces and Types of compactness
A. Jaradat and A. Al-Bsoul
p. 145
Abstract                               PDF                               Compressed Postscript  
On the dual space C0*(S, X)
L. Meziani
p. 153
Abstract                               PDF                               Compressed Postscript