Introduction
Contractors and Fixed Points
M. ALTMAN
CONTENTS
vi
1
The Degree of Mapping, and its Generalizations 15
F.E. BROWDER
Multiple Fixed Points of Compact Maps on Wedgelike ANRS in
Banach Spaces . . . . . . . . . . ••• 41
R.F. BROWN
The Nielsen Numbers on Surfaces . . . 59
E.R. FADELL
&
S. HUSSEIN!
A Good Class of Eventually Condensing Maps ••••••••.•••• 99
G. FOURNIER
Iteration Process for Nonexpansive Mappings . . . .
K. GOEBEL
&
W.A. KIRK
The Best Approximation of Bivariate Functions by Separable
Functions . . .
. . . . . . . .
M. von GOLITSCHEK
&
E.W. CHENEY
Positive Solutions of Operator Equations in the Nondifferentiable
115
125
Case . . . . . . . . 137
R. GUZZARDI
On Fixed Points of Nonexpansive Mappings . . . . . . . . . 147
D.S. JAGGI
Large Oscillations of Forced Nonlinear Differential Equations. 151
M. MARTELLI
Fixed Points and Sequences of Iterates in Locally Convex Spaces 159
S.A. NAIMPALLY, K.L. SINGH
&
J.H.W. WHITFIELD
Fixed Point Theorems and Jung Constant in Banach Spaces 167
P.L. PAPINI
Some Results on Multiple Positive Fixed Points of Multivalued
Condensing Maps . 171
W.V. PETRYSHYN
Some Problems and Results in Fixed Point Theory 179
S. REICH
Contractive Definitions Revisited . 189
B.E. RHOADES
Fixed Points, Antipodal Points and Coincidences of n-Acyclic
Multifunctions . . . 207
H. SCHIRMER
A Coincidence Theorem for Topological Vector Spaces 213
V.M. SEHGAL, S.P. SINGH
&
B. WATSON
Some Random Fixed Point Theorems
V.M. SEHGAL
&
C. WATERS
v
215
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