# WMI Preprints 1983

*Quantitative methods in psychology: catastrophe theory modeling in psychology,*

by I.N. Stewart & P.L. Peregoy

*An analogue of the prime number theorem for closed orbits of axiom A flows,*

W. Parry & M. Pollicott

*An algorithm for simple curves on surfaces,*

by J.S. Birman & C. Series

*Simple curves have Hausdorff dimension one,*

by J.S. Birman & C. Series

*Maximal orders in Artinian rings,*

by C.R. Hajarnavis & S. Williams

*Atoms of lattices of radicals,*

by H. Korolczuk

*On regular threefolds with ˚ = 0,*

by P.M.H. Wilson

*On ergodic groups actions which are not strongly ergodic,*

by K. Schmidt

*On recurrence,*

by K. Schmidt

*A theorem on transfer control,*

by A.L. Gilotti, L. Serena & S.E. Stonehewer

*On dual rings and their modules,*

by C.R. Hajarnavis & N.C. Norton

*Global control dynamics - with reference to non-standard analysis,*

by L. Markus

*A complex Ruelle-Perron-Frobenius theorem and two counterexamples,*

by M. Pollicott

*The modular surface and continued fractions,*

by C. Series

*The dimension of the maximal measure for a polynomial map,*

by A. Manning

*Bowen's equidistribution theory and the Dirichlet density theorem,*

by W. Parry

*Projective morphisms according to Kawamata,*

by M. Reid

*A cohomological construction of half-forms for non-positive polarizations,*

by R.J. Blattner & J.H. Rawnsley

*Remarks on Batchelor's theorem,*

by R.J. Blattner & J.H. Rawnsley

*Root invariants and cup-r-products in stable homotopy theory,*

by J.D.S. Jones

*On the structure of a group whose orbits on a finite module are the orbits of a proper subgroup,*

by T.O. Hawkes & G. Jones

*A non-abelian normal subgroup with a core-free projective algebra,*

by G. Busetto & S.E. Stonehewer

*Commutators of C•-diffeomorphisms. Appendix by D.B.A. Epstein to "A curious remark concerning the geometric transfer map" by John N. Mather,*

by D.B.A. Epstein

*Transversely hyperbolic 1-dimensional foliations,*

by D.B.A. Epstein

*
*Groups whose subnormal subgroups have bounded defect,

by T.O. Hawkes

*A new proof that „3 = 0,*

by C. Rourke

*Characterizing higher dimensional Seifert spaces,*

by G. Bailey

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