Volume 61 (1992), No. 1

CONTENTS

An Example of Infinitely Many Sinks for Smooth Interval Maps
A. F. Ivanov
Abstract     Adobe PDF     Compressed Postscript      

Periods of Periodic Points for Transitive Degree One Maps of the Circle with a Fixed Point
M. C. Hidalgo
Abstract     Adobe PDF     Compressed Postscript      

Norm-to-Weak Upper Semicontinuous Monotone Operators are Generically Strongly Continuous
L. Vesely
Abstract     Adobe PDF     Compressed Postscript      

Error Estimates of a Linear Approximation Scheme for Nonlinear Diffusion Problems
A. Handlovicova
Abstract     Adobe PDF     Compressed Postscript      

Monotonicity of the Lagrangian Function in the Parametric Interior Point Methods of Convex Programming
M. Hamala and M. Halicka
Abstract     Adobe PDF     Compressed Postscript      

Self-Dual Regular Maps from Medial Graphs
D. Archdeacon, J. Siran and M. Skoviera
Abstract     Adobe PDF     Compressed Postscript      

On Non-Separating Embeddings of Graphs in Closed Surfaces
M. Skoviera
Abstract     Adobe PDF     Compressed Postscript      

Front-Divisors of Trees
P. Hic, R. Nedela and S. Pavlikova
Abstract     Adobe PDF     Compressed Postscript      

On Surjective Kernels of Partial Algebras
P. Zlatos
Abstract     Adobe PDF     Compressed Postscript      

Differences Between Values of a Quadratic Form
A. Schinzel
Abstract     Adobe PDF     Compressed Postscript      

Some Summation Formulae over the Set of Partitions
W. C. Chu and R. K. Raina
Abstract     Adobe PDF     Compressed Postscript      

Divisor Problems in Special Sets of Positive Integers
W. G. Nowak
Abstract     Adobe PDF     Compressed Postscript      

An Omega Theorem on Differences of Two Squares
M. Kuhleitner
Abstract     Adobe PDF     Compressed Postscript