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aequationes mathematicae Vol. 48, 1994 University of Waterloo, Ontario Canada Birkhauser Verlag, Basel - Boston: Berlin aequationes mathematicae Editorial Office Editors ProfessorJ . Aczél Professor M. A. McKiernan University of Waterloo, Faculty of Mathematics, Waterloo, Ontario, University of Waterloo University of Waterloo Canada N2L 3G1. Waterloo, Ont., Canada N2L 3G1 Waterloo, Ont., Canada N2L 3G1 Editor in Chief and Managing Editor aequationes mathematicae is published by the University of Waterloo Professor E. M. Moskal and Birkhauser Verlag. Professor C. T. Ng University of Waterloo The journal publishes papers in pure and applied mathematics in University of Waterloo Waterloo, Ont., Canada N2L 3G1 general, but, in particular, papers on functional equations, Waterloo, Ont., Canada N2L 3G1 combinatorics, dynamical systems, and numerical analysis. The Associate Managing Editor Professor Z. Moszner languages in which papers will generally be accepted are English, WSP Pedagogical Univ. French, and German. Professor M. A. Akivis PL-30-084 Krak6w, Poland Types of manuscripts that will be considered for publication include Institute of Steel and Aloys original research papers, problems and their solutions, research survey Moscow, Russia Professor R. C. Mullin University of Waterloo papers and self-contained summaries of papers which have been Professor K. Baron Waterloo, Ont., Canada N2L 3G1 accepted for publication either by this or some other journal with a Silesian University referee system. In addition, bibliographies and reports of meetings on PL-40-007 Katowice, Poland Professor A. M. Odlyzko topics of particular interests to the journal will appear from time to Bell Laboratories time. Manuscripts of papers should be submitted to the Editorial Professor H. Bauer Murray Hill, NJ 07974, USA Office or to a member of the editorial board. Authors of papers should Univ. 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Lawrence Current Contents, Mathematical ctorpaineslsa toefd coinnttor iba umtaiocnhsi,n eo r lapanrgtusa gteh erweiotfh,o umt ayt heb ew rrietpterno dupceermdi sfsoiro np erosfo ntahel puusbe.l isCheorpsi.e s Onrleyp rosdinugcleed University of Waterloo Reviews, Referativnyi Zhurnal, and used for other than private purpose in an industrial or commercial undertaking are subject to Waterloo, Ont., Canada N2L 3G1 Zentralblatt fiir Mathematik, copyright and in such cases, a copyright fee must be paid to the VG WORT, Abteilung Mathematics Abstracts, DB MATH Wissenschaft, Goethestrasse 49, D-80336 Miinchen, from whom conditions of payments can be * = Home address obtained on request ISSN 0001-9054 © 1994 Birkhauser Verlag Basel - Boston - Berlin Printed in Germany on acid-free paper produced from chlorine-free pulp Index Volume 48, 1994 Research Papers Asanov, G.S.: Generalized-Finslerian connection coefficients for the static spherically symmetric space Baron, K., Hudzik, H.: Orlicz spaces which are Lp-spaces Bisztriczky, T., Lorimer, J.W.M.: On hyperplanes and free subspaces of affine Klingenberg spaces Dilcher, K.: On generalized gamma functions related to the Laurent coefficients of the Riemann zeta function Fiacca, A., Papalini, F: On the continuity of midpoint hull convex set- valued functions Haidar, N.H.S.: A double series variational method for a class of second kind Fredholm integral equations Hudzik, H., Maligranda, L.: Some remarks on S-convex functions Hudzik, H., see, Baron, K. Jachymski, J.: An iff fixed point criterion for continuous self-mappings on a complete metric space Kempermann, J.H.B., Ott, T.J.: Complementary permutations for abelian groups Lorimer, J.W.M., see, Bisztriczky, T. Maligranda, L., see, Hudzik, H. Marshall, M.: On Brécker’s t-invariant and separating families for con- structible sets Mayor, G.: On a family of quasi-arithmetic means Nicolaescu, L.I.: Rigidity of generalized laplacians and some geometric applications Ott, T.J., see, Kempermann, J.H.B. Papalini, F., see, Fiacca, A Pedersen, N.V.: On the basic algebraic operations in solvable Lie groups . . Ritter, K.: Average errors for zero finding: Lower bounds for smooth or monotone functions Rothe, FE: An analogue to the Smale-Birkhoff homoclinic theorem for iterated entire mappings Schwaiger, J.: On a characterization of polynomials by divided differences Sinopoulos, P.: Generalized sine equations, I Stetkaer, H.: d’Alembert’s equation and spherical functions Taylor, M.A.: Belousov equations on ternary quasigroups Zorzitto, F: Groups acting on circulant matrices Problems and Solutions Eichhorn, W.: Problem 292 Flor, P.: Remark to Problem 291 Zdun, M.E.: Problem 293 Summaries Baragar, A.: Products of consecutive integers and the Markoff equation Bennett, FE., Wei, R., Zhu, L.: Incomplete idempotent Schréder quasigroups and related packing designs Bottcher, A., Heidler, H.: Algebraic and essentially algebraic composition operators on C(X) Czerni, M.: Further results on stability of normal regions for linear homo- geneous functional equation Dunham, C.B.: Uniform local strong uniqueness on finite subsets Ebanks, B.R.: Fundamental equation of information revisited Heidler, H., see, Bottcher, A. Jachymski, J.: An iff fixed point criterion for continuous self-mappings on a complete metric space Kempermann, J.H.B., Ott, T.J.: Complementary permutations for abelian groups Mikheev, P-O.: On a problem of Chern-Akivis-Shelekhov on hexagonal three-webs Nicolaescu, L.1.: Rigidity of generalized laplacians and some geometric . . applications Ott, T.J., see, Kempermann, J.H.B. Schwaiger, J.: On a characterization of polynomials by divided differences . Sinopoulos, P.: Generalized sine equations, I Sinopoulos, P.: Generalized sine equations, II Slapal, J.: A conglomerate of exponential supercategories of the category of finitely generated topological spaces Stetkaer, H.: Wilson’s functional equations on groups Wei, R., see, Bennett, FE. a cs keee eu lia eee oa-a-e 6 a Zorzitto, F: Groups acting on circulant matrices