INTRODUCTION
SCIENTIFIC PROGRAMME
LIST OF PARTICIPANTS
INVITED LECTURES
TABLE OF CONTENTS
C.W. CURTIS and G.I. LEHRER, Homology Representations of Finite
Groups of Lie Type.
vii
ix
xiii
R. DELBOURGO, Matrix Correlation Functions. 29
D. ELLIOTT, Some Aspects of Singular Integral Equations - A
Numerical Analyst's Viewpoint. 41
F. HIRZEBRUCH, Some Examples of Algebraic Surfaces. 55
I.G. MACDONALD, Lie Groups and Combinatorics. 73
M. MENDES-FRANCE, Paper Folding, Space-Filling Curves and
Rudin-Shapiro Sequences. 85
G. PILZ, Near-Rings: What They Are and What They Are Good For. 97
T.J. RIVLIN, The Optimal Recovery of Functions. 121
N.J.A. SLOANE, Recent Bounds for Codes, Sphere Packings and
Related Problems Obtained by Linear Programming and Other
Methods. 153
G.S. WATSON, Three Aspects of the Statistics of Directions. 187
E.C. ZEEMAN, Bifurcation and Catastrophe Theory. 207
Contributed Papers: ALGEBRA, NUMBER THEORY
D. FEARNLEY-SANDER, Euclid with an Unfamiliar Ring. 273
B.J. GARDNER, Absolute Retracts, Relatively Injective Simple
Objects and Brown-McCoy Radicals. 277
R.B. HOWLETT and G.I. LEHRER, A Comparison Theorem and other
Formulae in the Character Ring of a Finite Group of Lie
Type. 285
G. KARPILOVSKY, On Commutative Group Algebras. 289
R. MATTHEWS, Orthogonal Systems of Polynomials over a Finite
Field with Coefficients in a Subfields. 295
C.J. SMYTHE, A Lattice Colouring Problem. 303
A.J. van der POORTEN, Substitution Automata, Functional Equations
and "Functions Algebraic over a Finite Field". 307
Contributed Papers: ANALYSIS
M.A.B. DEAKIN, The Formal Power Series Approach to Elementary
Catastrophe Theory. 313
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