# WMI Preprints 1976

*On the finiteness of the number of unipotent classes,*

by G. Lusztig

*A note on Kirby's calculus of links,*

by R.A. Fenn & C.P. Rourke

*Injective modules over group rings,*

by B. Hartley

*The socle in group rings,*

by B. Hartley & J.S. Richardson

*Coxeter orbits and eigenspaces of Frobenius,*

by G. Lusztig

*Block coding and a zeta function for finite Markov chains,*

by W. Parry & R.F. Williams

*The definition of higher K-theory, and K4 and the homology of the Steinberg group,*

by C.A. Robinson

*The geometry of binary quartic forms (part 1),*

by I. Stewart

*A Künneth theorem for connective K-theory,*

by C.A. Robinson

*L ^{2} regularity of measurable solutions of a finite difference equation of the circle,*

by M.R. Herman

*Group rings with non-zero socle,*

by J.S. Richardson

by J.S. Richardson

*Solubility of finite groups admitting a fixed-point-free abelian automorphism group of square-free exponent rs,*

by P.J. Rowley

*Rings in which every complement right ideal is a direct summand,*

by A.W. Chatters & C.R. Hajarnavis

*The Artin radical of a Noetherian ring,*

by A.W. Chatters, C.R. Hajarnavis & N.C. Norton

*Infinitely divisible stochastic differential equations in space-time,*

by A. Wulfsohn

*Sur le groupe des automorphismes d'une variété symplectique non compacte,*

by A. Banyaga

*Sous-groupes de Borel contenant un unipotent donne,*

by N. Spaltenstein

*On holomorphic cross-sections in Teichmüller spaces,*

by C.J. Earle

*Riesz trace class operators,*

by R. Elliott

*A dual approach to Cernikov modules,*

by B. Hartley

*Cocycles and spectra,*

by H. Helson & W. Parry

*Bifurcations of the forced van der Pol oscillator,*

by D.A. Rand & P.J. Holmes

*Finite groups. generated by 3-transpositions,*

by B. Fisher

*Lectures on cocycles on ergodic theory,*

by K. Schmidt

*Quickly unknotting topological spheres,*

by W.R. Brakes

*A relativised variational principle for continuous transformations,*

by F. Ledrappier & P. Walters

*The information cocycle and ´-bounded codes,*

by W. Parry

*Conflicts and catastrophes in the learning of mathematics,*

by D. Tall

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