Okikiolu, G. O. Integral expressions and semigroups of operators derived from transforms of single and multiple variable radial functions. (English) Zbl 0648.47030 Bull. Math. 29, 47-67 (1988). MSC: 47D03 47B38 PDFBibTeX XMLCite \textit{G. O. Okikiolu}, Bull. Math. 29, 47--67 (1988; Zbl 0648.47030)
Okikiolu, G. O. Isometries in \(L^ 2(X)\) defined in terms of semi-groups of functions and uniformly bounded groups of operators. (English) Zbl 0629.44002 Bull. Math. 26, 58-75 (1987). Reviewer: N.L.Vasilevski MSC: 44A15 42A38 47D03 45P05 PDFBibTeX XMLCite \textit{G. O. Okikiolu}, Bull. Math. 26, 58--75 (1987; Zbl 0629.44002)
Okikiolu, G. O. Fourier and Weierstraß type transforms defined in terms of semi- groups of bounded linear operators. (English) Zbl 0627.44004 Bull. Math. 26, 31-57 (1987). Reviewer: Y.Tanno MSC: 44A15 45P05 42A38 47D03 47Gxx PDFBibTeX XMLCite \textit{G. O. Okikiolu}, Bull. Math. 26, 31--57 (1987; Zbl 0627.44004)
Okikiolu, G. O. Generations of ’convolution semigroups’ of operators and functions by parameter integrals. (English) Zbl 0507.47024 Bull. Math. 6, 1-29 (1982). MSC: 47D03 PDFBibTeX XMLCite \textit{G. O. Okikiolu}, Bull. Math. 6, 1--29 (1982; Zbl 0507.47024)