ACTA MATHEMATICA UNIVERSITATIS COMENIANAE


Volume 76 (2007), No. 2


CONTENTS

An Integral Univalent Operator
  p. 137   
D. Breaz and N. Breaz
Abstract     Adobe PDF      Compressed Postscript   

On Presic Type Generalization of the Banach Contraction Mapping Principle
  p. 143   
L. Ciric and S. Presic
Abstract     Adobe PDF      Compressed Postscript   

Some Results for One Class of Discontinuous Operators with Fixed Points
  p. 149   
R. Morales and E. Rojas
Abstract     Adobe PDF      Compressed Postscript   

Compact Sets without Converging Sequences in the Random Real Model
  p. 161   
A. Dow and D. Fremlin
Abstract     Adobe PDF      Compressed Postscript   

Uniform Approximation by Polynomials on Real Non-degenerate Weil Polyhedron
  p. 173   
A. I. Petrosyan
Abstract     Adobe PDF      Compressed Postscript   

Some Comments on Injectivity and p-injectivity
  p. 179   
R. Yue Chi Ming
Abstract     Adobe PDF      Compressed Postscript   

On Weakly Reversible Rings
  p. 189   
Zhao Liang and Yang Gang
Abstract     Adobe PDF      Compressed Postscript   

On Generalized Extending Modules
  p. 193   
M. A. Kamal and A. Sayed
Abstract     Adobe PDF      Compressed Postscript   

A Special Congruence Lattice of a Regular Semigroup
  p. 201   
M. Petrich
Abstract     Adobe PDF      Compressed Postscript   

Relations between the Reciprocal Sum and the Alternating Sum for Generalized Lucas Numbers
  p. 215    Xiaoli Ye and Zhizheng Zhang
Abstract     Adobe PDF      Compressed Postscript   

Diameter in Walk Graphs
  p. 223    T. Vetrik
Abstract     Adobe PDF      Compressed Postscript   

Congruence kernels of orthoimplication algebras
  p. 231    I. Chajda, R. Halas and H. Laenger
Abstract     Adobe PDF      Compressed Postscript   

On the Volume of the Trajectory Surfaces under the Homothetic Motions
  p. 241    M. Duldul and N. Kuruoglu
Abstract     Adobe PDF      Compressed Postscript   

On Symmetric Group S3 Actions on Spin 4-manifolds
  p. 247    Ximin Liu and Hongxia Li
Abstract     Adobe PDF      Compressed Postscript   

On the Class of all Reciprocal Bases for Integers
  p. 257    T. Salat and J. Tomanova
Abstract     Adobe PDF      Compressed Postscript   

Rings in Post algebras
  p. 263    S. Rudeanu
Abstract     Adobe PDF      Compressed Postscript   

On Three Inequalities Similar to Hardy-Hilbert's Integral Inequality
  p. 273    W. T. Sulaiman
Abstract     Adobe PDF      Compressed Postscript   

Ascoli's Theorem in Almost Quiet Quasi-uniform Space
  p. 279    S. Ganguly and R. Sen
Abstract     Adobe PDF      Compressed Postscript   

Differential Sandwich Theorems for some Subclasses of Analytic Functions Involving a Linear Operator
  p. 287    T. N. Shammugam, C. Ramachandran, M. Darus and S. Sivasubramanian
Abstract     Adobe PDF      Compressed Postscript