References
Askey, R., Gasper, G.: Convolution structures for Laguerre polynomials. J. Anal. Math.31, 48–68 (1977)
Berezansky, Yu.M., Kaluzhny, A.A.: Hypercomplex systems with locally compact bases. Sel. Math. Sov.4 (no. 2), 151–200 (1985)
Berg, C., Forst, G.: Potential theory on locally compact abelian groups. Berlin Heidelberg New York: Springer 1975
Bloom, W., Heyer, H.: Convolution semigroups and resolvent families of measures on hypergroups. Math. Z.188, 449–474 (1985)
Dixmier, J.:C *-algebras. Amsterdam New York Oxford: North-Holland 1977
Dunkl, C.F.: The measure algebra of a locally compact hypergroup. Trans. Am. Math. Soc.179, 331–348 (1973)
Haar, H.: Über die Multiplikationstabelle der orthogonalen Funktionssysteme. Math. Z.31, 769–798 (1930)
Heyer, H.: Probability measures on locally compact groups. Berlin Heidelberg New York: Springer 1977
Jewett, R.I.: Spaces with an abstract convolution of measures. Adv. Math.18, 1–101 (1975)
Lasser, R.: Orthogonal polynomials and hypergroups. Rend. Mat. Appl.2, 185–209 (1983)
Lasser, R.: Orthogonal polynomials and hypergroups II—The symmetric case. Trans. Amer. Math. Soc. (to appear)
Levitan, B.M.: The application of generalized displacement operators to linear differential equations of the second order. Transl., I. Ser., Am. Math. Soc.10, 408–541 (1962)
Litvinov, G.L.: Hypergroups and hypergroup algebras. J. Sov. Math.38, 1734–1761 (1987)
Ross, K.A.: Hypergroups and centers of measure algebras. Symp. Math.22, 189–203 (1977)
Rudin, W.: Functional analysis. New York: McGraw Hill 1973
Spector, R.: Apercu de la theorie des hypergroupes. In: Eymaid, P., et al. (eds.) Analyse harmonique sur les groupes de Lie. Seminaire Nancy-Strasbourg 1973–1975. (Lect. Notes Math., vol. 497, pp. 643–673) Berlin Heidelberg New York: Springer 1975
Spector, R.: Measures invariants sur les hypergroupes. Trans. Am. Math. Soc.239, 147–166 (1978)
Sunder, V.I.: II1 factors, their bimodules, and hypergroups. Trans. Am. Math. Soc.330, 227–256 (1992)
Szegö, G.: Orthogonal polynomials. (Coll. Publ., Am. Math. Soc., vol. 23) Providence, RI: Am. Math. Soc. 1959
Szwarc, R.: Convolution structures and Haar matrices, J. Funct. Anal. (to appear)
Vilenkin, N.J.: Special functions and the theory of groups Providence, RI: Am. Math. Soc. 1968
Voit, M.: Positive characters on commutative hypergroups and some applications. Math. Z.198, 405–421 (1988)
Voit, M.: On the Fourier transform of positive, positive definite measures on commutative hypergroups, and dual convolution structures. Manuscr. Math.72, 141–153 (1991)
Voit, M.: Pseudoisotropic random walks on free groups and semigroups. J. Multivariate Anal.38, 275–293 (1991)
Voit, M.: Duals of subhypergroups and quotients of commutative hypergroups. Math. Z.210, 289–304 (1992)