Bonet, José; Ricker, Werner J. Order spectrum of the Cesàro operator in Banach lattice sequence spaces. (English) Zbl 1506.47051 Positivity 24, No. 3, 593-603 (2020). MSC: 47B37 47B65 47A10 47L10 46A45 46B45 47C05 PDFBibTeX XMLCite \textit{J. Bonet} and \textit{W. J. Ricker}, Positivity 24, No. 3, 593--603 (2020; Zbl 1506.47051) Full Text: DOI arXiv
Okada, Susumu; Ricker, Werner J. Weak completeness properties of the \(L^1 \)-space of a spectral measure. (English) Zbl 1404.46025 Diss. Math. 519, 47 p. (2016). MSC: 46E30 28B05 47B40 47L05 46A03 PDFBibTeX XMLCite \textit{S. Okada} and \textit{W. J. Ricker}, Diss. Math. 519, 47 p. (2016; Zbl 1404.46025) Full Text: DOI
Ricker, Werner J. Multipliers and \(L^p\)-operator semigroups. (English) Zbl 1354.47029 Ball, Joseph A. (ed.) et al., Operator theory in harmonic and non-commutative analysis. 23rd international workshop in operator theory and its applications, IWOTA, Sydney, Australia, July 16–20, 2012. Cham: Birkhäuser/Springer (ISBN 978-3-319-06265-5/hbk; 978-3-319-06266-2/ebook). Operator Theory: Advances and Applications 240, 235-242 (2014). Reviewer: Khristo N. Boyadzhiev (Ada) MSC: 47D06 42A45 47B40 PDFBibTeX XMLCite \textit{W. J. Ricker}, Oper. Theory: Adv. Appl. 240, 235--242 (2014; Zbl 1354.47029)
Albanese, Angela A.; Bonet, José; Ricker, Werner J. Characterizing Fréchet-Schwartz spaces via power bounded operators. (English) Zbl 1329.46004 Stud. Math. 224, No. 1, 25-45 (2014). Reviewer: Krzysztof Piszczek (Poznan) MSC: 46A04 46A11 46A45 47A35 47B37 PDFBibTeX XMLCite \textit{A. A. Albanese} et al., Stud. Math. 224, No. 1, 25--45 (2014; Zbl 1329.46004) Full Text: DOI
Albanese, Angela A.; Bonet, José; Ricker, Werner J. Convergence of arithmetic means of operators in Fréchet spaces. (English) Zbl 1283.47017 J. Math. Anal. Appl. 401, No. 1, 160-173 (2013). Reviewer: Sophie Grivaux (Villeneuve d’Ascq) MSC: 47A35 46A04 46A11 46A45 PDFBibTeX XMLCite \textit{A. A. Albanese} et al., J. Math. Anal. Appl. 401, No. 1, 160--173 (2013; Zbl 1283.47017) Full Text: DOI
Albanese, Angela A.; Bonet, José; Ricker, Werner J. On mean ergodic operators. (English) Zbl 1259.47013 Curbera, Guillermo P. (ed.) et al., Vector measures, integration and related topics. Selected papers from the 3rd conference on vector measures and integration, Eichstätt, Germany, September 24–26, 2008. Basel: Birkhäuser (ISBN 978-3-0346-0210-5/hbk; 978-3-0346-0211-2/ebook). Operator Theory: Advances and Applications 201, 1-20 (2010). MSC: 47A35 46A04 46A08 46A35 46G10 PDFBibTeX XMLCite \textit{A. A. Albanese} et al., Oper. Theory: Adv. Appl. 201, 1--20 (2010; Zbl 1259.47013) Full Text: DOI
Okada, Susumu; Ricker, Werner J.; Sánchez Pérez, Enrique A. Optimal domain and integral extension of operators, acting in function spaces. (English) Zbl 1145.47027 Operator Theory: Advances and Applications 180. Basel: Birkhäuser (ISBN 978-3-7643-8647-4/hbk). xii, 400 p. (2008). Reviewer: T.S.S.R.K. Rao (Bangalore) MSC: 47B38 28B05 28C10 43A15 43A25 46A16 46E30 46G10 47B07 47B34 47-02 PDFBibTeX XMLCite \textit{S. Okada} et al., Optimal domain and integral extension of operators, acting in function spaces. Basel: Birkhäuser (2008; Zbl 1145.47027)
Mockenhaupt, Gerd; Ricker, Werner J. Approximation of \(p\)-multiplier operators via their spectral projections. (English) Zbl 1132.42305 Positivity 12, No. 1, 133-150 (2008). MSC: 42A45 47A58 47B40 41A45 47A25 PDFBibTeX XMLCite \textit{G. Mockenhaupt} and \textit{W. J. Ricker}, Positivity 12, No. 1, 133--150 (2008; Zbl 1132.42305) Full Text: DOI
de Pagter, Ben; Ricker, Werner J. \(R\)-bounded representations of \(L^1(G)\). (English) Zbl 1140.22005 Positivity 12, No. 1, 151-166 (2008). Reviewer: Julian Musielak (Poznań) MSC: 22D12 46B20 43A25 46B42 47B40 47B60 PDFBibTeX XMLCite \textit{B. de Pagter} and \textit{W. J. Ricker}, Positivity 12, No. 1, 151--166 (2008; Zbl 1140.22005) Full Text: DOI
Albrecht, E.; Ricker, W. J. Spectral properties of some linear matrix differential operators in \(L^p\)-spaces on \({\mathbb{R}}\). (English) Zbl 1156.47046 Integral Equations Oper. Theory 59, No. 4, 449-489 (2007). Reviewer: Michael I. Gil’ (Beer-Sheva) MSC: 47F05 47A60 47B40 47A10 PDFBibTeX XMLCite \textit{E. Albrecht} and \textit{W. J. Ricker}, Integral Equations Oper. Theory 59, No. 4, 449--489 (2007; Zbl 1156.47046) Full Text: DOI
De Pagter, B.; Ricker, W. J. \(C(K)\)-representations and \(R\)-boundedness. (English) Zbl 1138.46035 J. Lond. Math. Soc., II. Ser. 76, No. 2, 498-512 (2007). Reviewer: Daniel Li (Lens) MSC: 46J25 46G10 46B42 47A67 47B40 PDFBibTeX XMLCite \textit{B. De Pagter} and \textit{W. J. Ricker}, J. Lond. Math. Soc., II. Ser. 76, No. 2, 498--512 (2007; Zbl 1138.46035) Full Text: DOI
de Pagter, B.; Ricker, W. J. \(R\)-boundedness of \(C(K)\)-representations, group homomorphisms, and Banach space geometry. (English) Zbl 1104.22007 Weber, Martin R. (ed.) et al., Proceedings of the conference “Positivity IV—Theory and Applications”, Dresden, Germany, July 25–29, 2005. Dresden, TU Dresden, Institut für Analysis (ISBN 3-86005-512-7/pbk). 115-129 (2006). Reviewer: Do Ngoc Diep (Hanoi) MSC: 22D12 46B20 43A25 46B42 47B40 47B60 PDFBibTeX XMLCite \textit{B. de Pagter} and \textit{W. J. Ricker}, in: Proceedings of the conference ``Positivity IV---Theory and Applications'', Dresden, Germany, July 25--29, 2005. Dresden, TU Dresden, Institut für Analysis. 115--129 (2006; Zbl 1104.22007)
de Pagter, Ben; Ricker, Werner J. Products of commuting Boolean algebras of projections and Banach space geometry. (English) Zbl 1093.46010 Proc. Lond. Math. Soc., III. Ser. 91, No. 2, 483-508 (2005). Reviewer: Daniel Li (Lens) MSC: 46B07 46L10 46B42 47B40 47B60 PDFBibTeX XMLCite \textit{B. de Pagter} and \textit{W. J. Ricker}, Proc. Lond. Math. Soc. (3) 91, No. 2, 483--508 (2005; Zbl 1093.46010) Full Text: DOI
Ricker, Werner J. Banach algebras of \(p\)-multiplier operators for the circle group. (English) Zbl 1080.47032 Lau, Anthony To-Ming (ed.) et al., Banach algebras and their applications. Proceedings of the 16th international conference, University of Alberta, Edmonton, Canada, July 27–August 9, 2003. Providence, RI: American Mathematical Society (AMS) (ISBN 0-8218-3471-1/pbk). Contemporary Mathematics 363, 299-312 (2004). Reviewer: George O. Okikiolu (London) MSC: 47B38 47C05 42A45 47B40 PDFBibTeX XMLCite \textit{W. J. Ricker}, Contemp. Math. 363, 299--312 (2004; Zbl 1080.47032)
Albrecht, E.; Ricker, W. J. Local spectral theory for operators with thin spectrum. (English) Zbl 1131.47302 Gheondea, Aurelian (ed.) et al., Spectral analysis and its applications. Ion Colojoară anniversary volume. Bucharest: Theta (ISBN 973-85432-3-1). Theta Series in Advanced Mathematics 2, 1-25 (2003). MSC: 47A11 47B40 47A15 47A60 47-02 PDFBibTeX XMLCite \textit{E. Albrecht} and \textit{W. J. Ricker}, Theta Ser. Adv. Math. 2, 1--25 (2003; Zbl 1131.47302)
Mockenhaupt, Gerd; Ricker, Werner J. Fuglede’s theorem, the bicommutant \(p\)-multiplier operators for the circle. (English) Zbl 1027.47022 J. Oper. Theory 49, No. 2, 295-310 (2003). Reviewer: A.Gheondea (Bucureşti) MSC: 47B38 46E30 47B40 42A45 PDFBibTeX XMLCite \textit{G. Mockenhaupt} and \textit{W. J. Ricker}, J. Oper. Theory 49, No. 2, 295--310 (2003; Zbl 1027.47022)
Ressel, P.; Ricker, W. J. Vector-valued positive definite functions, the Berg-Maserick theorem, and applications. (English) Zbl 1029.46051 Math. Scand. 90, No. 2, 289-319 (2002). Reviewer: Guillermo P.Curbera (Sevilla) MSC: 46G10 43A35 28B05 47B40 47D03 PDFBibTeX XMLCite \textit{P. Ressel} and \textit{W. J. Ricker}, Math. Scand. 90, No. 2, 289--319 (2002; Zbl 1029.46051) Full Text: DOI
Okada, S.; Ricker, W. J. Integration maps and local equicontinuity of spectral measures. (English) Zbl 1017.47019 J. Aust. Math. Soc., Ser. A 69, No. 2, 176-186 (2000). MSC: 47B15 47B40 47L10 PDFBibTeX XMLCite \textit{S. Okada} and \textit{W. J. Ricker}, J. Aust. Math. Soc., Ser. A 69, No. 2, 176--186 (2000; Zbl 1017.47019)
Ricker, W. J. Operator theoretic problems for Fourier multipliers in \(L^p(\mathbb R)\). (English) Zbl 1193.42063 Giles, John R. (ed.) et al., National symposium on functional analysis, optimization and applications. Papers from the workshop, March 9–19 and the miniconference, March 20–21, 1998, Newcastle, UK. Canberra: Australian National University, Centre for Mathematics and its Applications (ISBN 0-7315-5200-8/pbk). Proceedings of the Centre for Mathematics and its Applications, Australian National University 36, 127-151 (1999). MSC: 42A45 46J99 47A60 47B40 PDFBibTeX XMLCite \textit{W. J. Ricker}, Proc. Cent. Math. Appl. Aust. Natl. Univ. 36, 127--151 (1999; Zbl 1193.42063)
de Pagter, B.; Ricker, W. J. On the bicommutant theorem for \(\sigma\)-complete Boolean algebras of projections in Banach spaces. (English) Zbl 1036.47501 Indag. Math., New Ser. 10, No. 1, 87-100 (1999). MSC: 47L10 47B40 PDFBibTeX XMLCite \textit{B. de Pagter} and \textit{W. J. Ricker}, Indag. Math., New Ser. 10, No. 1, 87--100 (1999; Zbl 1036.47501) Full Text: DOI
de Pagter, B.; Ricker, W. J. Algebras of multiplication operators in Banach function spaces. (English) Zbl 0997.47030 J. Oper. Theory 42, No. 2, 245-267 (1999). MSC: 47B38 47L10 47B65 46E30 PDFBibTeX XMLCite \textit{B. de Pagter} and \textit{W. J. Ricker}, J. Oper. Theory 42, No. 2, 245--267 (1999; Zbl 0997.47030)
Ricker, Werner Operator algebras generated by commuting projections: a vector measure approach. (English) Zbl 0936.47020 Lecture Notes in Mathematics. 1711. Berlin: Springer. xvii, 159 p. (1999). Reviewer: Dirk Werner (Berlin) MSC: 47B40 28B05 06E15 47-02 47L10 PDFBibTeX XMLCite \textit{W. Ricker}, Operator algebras generated by commuting projections: a vector measure approach. Berlin: Springer (1999; Zbl 0936.47020) Full Text: DOI
Ricker, W. J. The strong closure of \(\sigma\)-complete Boolean algebras of projections. (English) Zbl 1011.47015 Arch. Math. 72, No. 4, 282-288 (1999). Reviewer: Vladimir V.Peller (Manhattan) MSC: 47B15 47D99 47B40 PDFBibTeX XMLCite \textit{W. J. Ricker}, Arch. Math. 72, No. 4, 282--288 (1999; Zbl 1011.47015) Full Text: DOI
Räbiger, Frank; Ricker, Werner J. \(C_0\)-semigroups and cosine families of linear operators in hereditarily indecomposable Banach spaces. (English) Zbl 0921.47037 Acta Sci. Math. 64, No. 3-4, 697-706 (1998). Reviewer: Anna Cichocka (Katowice) MSC: 47D03 47D09 PDFBibTeX XMLCite \textit{F. Räbiger} and \textit{W. J. Ricker}, Acta Sci. Math. 64, No. 3--4, 697--706 (1998; Zbl 0921.47037)
Albrecht, E.; Ricker, W. J. On \(p\)-dependent local spectral properties of certain linear differential operators in \(L^p(\mathbb{R}^N)\). (English) Zbl 0920.47016 Stud. Math. 130, No. 1, 23-52 (1998). Reviewer: J.Zemánek (Warszawa) MSC: 47A60 47B40 46J15 47A11 PDFBibTeX XMLCite \textit{E. Albrecht} and \textit{W. J. Ricker}, Stud. Math. 130, No. 1, 23--52 (1998; Zbl 0920.47016) Full Text: EuDML
Ricker, Werner J.; Räbiger, Frank Aspects of operator theory in hereditarily indecomposable Banach spaces. (English) Zbl 1098.47512 Rend. Semin. Mat. Fis. Milano 67, 139-149 (1997). Reviewer: Timothy Feeman (Villanova) MSC: 47B40 46B20 47B06 47D06 PDFBibTeX XMLCite \textit{W. J. Ricker} and \textit{F. Räbiger}, Rend. Semin. Mat. Fis. Milano 67, 139--149 (1997; Zbl 1098.47512) Full Text: DOI
De Pagter, B.; Ricker, W. J. Boolean algebras of projections and resolutions of the identity of scalar-type spectral operators. (English) Zbl 0917.47029 Proc. Edinb. Math. Soc., II. Ser. 40, No. 3, 425-435 (1997). MSC: 47B40 47L10 PDFBibTeX XMLCite \textit{B. De Pagter} and \textit{W. J. Ricker}, Proc. Edinb. Math. Soc., II. Ser. 40, No. 3, 425--435 (1997; Zbl 0917.47029) Full Text: DOI
Okada, S.; Ricker, W. J. Boolean algebras of projections and ranges of spectral measures. (English) Zbl 0961.46034 Diss. Math. 365, 33 p. (1997). Reviewer: F.H.Vasilescu (Villeneuve d’Ascq) MSC: 46G10 47B15 47L10 47B40 PDFBibTeX XMLCite \textit{S. Okada} and \textit{W. J. Ricker}, Diss. Math. 365, 33\,p. (1997; Zbl 0961.46034)
de Pagter, B.; Ricker, W. J. Bicommutants of algebras of multiplication operators. (English) Zbl 0910.47037 Proc. Lond. Math. Soc., III. Ser. 72, No. 2, 458-480 (1996). Reviewer: D.Werner (Berlin) MSC: 47L10 47B38 47B65 46B42 PDFBibTeX XMLCite \textit{B. de Pagter} and \textit{W. J. Ricker}, Proc. Lond. Math. Soc. (3) 72, No. 2, 458--480 (1996; Zbl 0910.47037) Full Text: DOI
Ricker, Werner J. Spectrality for matrices of Fourier multiplier operators acting in \(L^ p\)-spaces over LCA groups. (English) Zbl 0855.47027 Quaest. Math. 19, No. 1-2, 237-257 (1996). MSC: 47B40 47B38 42B15 PDFBibTeX XMLCite \textit{W. J. Ricker}, Quaest. Math. 19, No. 1--2, 237--257 (1996; Zbl 0855.47027) Full Text: DOI
Albrecht, E.; Ricker, W. J. Local spectral properties of certain matrix differential operators in \(L^ p(\mathbf R^ N)^ m\). (English) Zbl 0851.47010 J. Oper. Theory 35, No. 1, 3-37 (1996). MSC: 47A60 47B40 47F05 PDFBibTeX XMLCite \textit{E. Albrecht} and \textit{W. J. Ricker}, J. Oper. Theory 35, No. 1, 3--37 (1996; Zbl 0851.47010)
Albrecht, Ernst; Ricker, Werner J. Functional calculi and decomposability of unbounded multiplier operators in \(L^ p(\mathbb{R}^ N)\). (English) Zbl 0820.47037 Proc. Edinb. Math. Soc., II. Ser. 38, No. 1, 151-166 (1995). Reviewer: W.Ricker (Sydney) MSC: 47B40 47A60 46J15 42B15 PDFBibTeX XMLCite \textit{E. Albrecht} and \textit{W. J. Ricker}, Proc. Edinb. Math. Soc., II. Ser. 38, No. 1, 151--166 (1995; Zbl 0820.47037) Full Text: DOI
Kluvánek, Igor; Ricker, Werner J. Spectral set functions and scalar operators. (English) Zbl 0804.47034 Integral Equations Oper. Theory 17, No. 2, 277-299 (1993). MSC: 47B40 47L10 47C05 PDFBibTeX XMLCite \textit{I. Kluvánek} and \textit{W. J. Ricker}, Integral Equations Oper. Theory 17, No. 2, 277--299 (1993; Zbl 0804.47034) Full Text: DOI
Greiner, Günther; Ricker, W. J. Joint spectra and commutativity of systems of \((2\times 2)\) selfadjoint matrices. (English) Zbl 0794.15007 Linear Multilinear Algebra 36, No. 1, 47-58 (1993). Reviewer: A.L.Andrew (Bundoora) MSC: 15A27 47A10 15A18 15A60 47B15 PDFBibTeX XMLCite \textit{G. Greiner} and \textit{W. J. Ricker}, Linear Multilinear Algebra 36, No. 1, 47--58 (1993; Zbl 0794.15007) Full Text: DOI
Ricker, Werner J. Integral transforms of vector measures on semigroups with applications to spectral operators. (English) Zbl 0846.47018 Semigroup Forum 45, No. 3, 342-363 (1992). MSC: 47B15 47A57 46G10 47B40 47B38 PDFBibTeX XMLCite \textit{W. J. Ricker}, Semigroup Forum 45, No. 3, 342--363 (1992; Zbl 0846.47018) Full Text: DOI EuDML
Ricker, W. J. Spectral-like multipliers in \(L^ p({\mathbb{R}})\). (English) Zbl 0726.47021 Arch. Math. 57, No. 4, 395-401 (1991). Reviewer: W.J.Ricker (Kensington) MSC: 47B40 47B38 PDFBibTeX XMLCite \textit{W. J. Ricker}, Arch. Math. 57, No. 4, 395--401 (1991; Zbl 0726.47021) Full Text: DOI
Albrecht, Ernst; Ricker, Werner J. Local spectral properties of constant coefficient differential operators in \(L^ p(\mathbb{R}^ N)\). (English) Zbl 0790.47025 J. Oper. Theory 24, No. 1, 85-103 (1990). Reviewer: S.Aliou Lo (Dakar) MSC: 47B40 47F05 47B38 PDFBibTeX XMLCite \textit{E. Albrecht} and \textit{W. J. Ricker}, J. Oper. Theory 24, No. 1, 85--103 (1990; Zbl 0790.47025)
Ricker, Werner J. Non-spectrality of generators of some classical analytic semigroups. (English) Zbl 0738.47036 Indag. Math., New Ser. 1, No. 1, 95-103 (1990). MSC: 47D06 47B40 46E30 PDFBibTeX XMLCite \textit{W. J. Ricker}, Indag. Math., New Ser. 1, No. 1, 95--103 (1990; Zbl 0738.47036) Full Text: DOI
Ricker, Werner J. Boolean algebras of projections of uniform multiplicity one. (English) Zbl 0714.47025 Miniconference on operators in analysis, Proc. Miniconf., Sydney/Australia 1989, Proc. Cent. Math. Anal. Aust. Natl. Univ. 24, 206-212 (1990). Reviewer: Dirk Werner (Berlin) MSC: 47B40 46A04 47D99 PDFBibTeX XML
Ricker, Werner J. Boolean algebras of projections and spectral measures in dual spaces. (English) Zbl 0703.47027 Linear operators in function spaces, 12th Int. Conf. Oper. Theory, Timişoara/Rom. 1988, Oper. Theory, Adv. Appl. 43, 289-300 (1990). Reviewer: T.Ando MSC: 47B40 47B15 PDFBibTeX XML
Ricker, Werner J.; Schaefer, Helmut H. The uniformly closed algebra generated by a complete Boolean algebra of projections. (English) Zbl 0655.47038 Math. Z. 201, No. 3, 429-439 (1989). Reviewer: W.J.Ricker MSC: 47L10 PDFBibTeX XMLCite \textit{W. J. Ricker} and \textit{H. H. Schaefer}, Math. Z. 201, No. 3, 429--439 (1989; Zbl 0655.47038) Full Text: DOI EuDML
Ricker, Werner J. Spectral properties of the Laplace operator in \(L^ p(R)\). (English) Zbl 0706.47028 Osaka J. Math. 25, No. 2, 399-410 (1988). MSC: 47E05 47B40 47A60 PDFBibTeX XMLCite \textit{W. J. Ricker}, Osaka J. Math. 25, No. 2, 399--410 (1988; Zbl 0706.47028)
McIntosh, Alan; Pryde, Alan; Ricker, Werner Comparison of joint spectra for certain classes of commuting operators. (English) Zbl 0665.47002 Stud. Math. 88, No. 1, 23-36 (1988). Reviewer: R.C.Gilbert MSC: 47A10 47B47 47B40 47A25 PDFBibTeX XMLCite \textit{A. McIntosh} et al., Stud. Math. 88, No. 1, 23--36 (1988; Zbl 0665.47002) Full Text: DOI EuDML
Ricker, Werner “Spectral subsets” of \(R^ m\) associated with commuting families of linear operators. (English) Zbl 0647.47004 Analysis, Proc. Conf., Singapore 1986, North-Holland Math. Stud. 150, 243-247 (1988). Reviewer: M.Radjabalipour MSC: 47A10 47B40 47A25 PDFBibTeX XML
Ricker, Werner J. Functional calculi for the Laplace operator in L p(\({\mathbb{R}})\). (English) Zbl 0653.47007 Harmonic analysis and operator algebras, Miniconf. Canberra/Aust. 1987, Proc. Cent. Math. Anal. Aust. Natl. Univ. 15, 242-254 (1987). Reviewer: M.von Renteln MSC: 47A60 47B38 47B40 47F05 46H30 PDFBibTeX XML
Ricker, Werner J. Spectral measures, boundedly \(\sigma\)-complete Boolean algebras and applications to operator theory. (English) Zbl 0642.47029 Trans. Am. Math. Soc. 304, 819-838 (1987). Reviewer: M.Radjabalipour MSC: 47B40 46G10 47B15 47L10 PDFBibTeX XMLCite \textit{W. J. Ricker}, Trans. Am. Math. Soc. 304, 819--838 (1987; Zbl 0642.47029) Full Text: DOI
Ricker, Werner Uniformly closed algebras generated by Boolean algebras of projections in locally convex spaces. (English) Zbl 0627.47024 Can. J. Math. 39, No. 5, 1123-1146 (1987). MSC: 47L10 PDFBibTeX XMLCite \textit{W. Ricker}, Can. J. Math. 39, No. 5, 1123--1146 (1987; Zbl 0627.47024) Full Text: DOI
Ricker, Werner Well-bounded operators of type (B) in a class of Banach spaces. (English) Zbl 0622.47036 J. Aust. Math. Soc., Ser. A 42, 399-408 (1987). MSC: 47B40 46B22 47D03 PDFBibTeX XMLCite \textit{W. Ricker}, J. Aust. Math. Soc., Ser. A 42, 399--408 (1987; Zbl 0622.47036)
Gaudry, G. I.; Ricker, W. Spectral properties of translation operators in certain function spaces. (English) Zbl 0611.47027 Ill. J. Math. 31, 453-468 (1987). MSC: 47B40 47B38 PDFBibTeX XMLCite \textit{G. I. Gaudry} and \textit{W. Ricker}, Ill. J. Math. 31, 453--468 (1987; Zbl 0611.47027)
Ricker, W. Spectral operators and weakly compact homomorphisms in a class of Banach spaces. (English) Zbl 0663.47024 Glasg. Math. J. 28, 215-222 (1986). MSC: 47B40 46B10 46B22 PDFBibTeX XMLCite \textit{W. Ricker}, Glasg. Math. J. 28, 215--222 (1986; Zbl 0663.47024) Full Text: DOI
Dodds, P. G.; de Pagter, B.; Ricker, W. Reflexivity and order properties of scalar-type spectral operators in locally convex spaces. (English) Zbl 0595.47025 Trans. Am. Math. Soc. 293, 355-380 (1986). MSC: 47B40 47A40 47B60 PDFBibTeX XMLCite \textit{P. G. Dodds} et al., Trans. Am. Math. Soc. 293, 355--380 (1986; Zbl 0595.47025) Full Text: DOI
Ricker, W. Stone’s theorem for strongly continuous groups of isometries in Hardy spaces. (English) Zbl 0589.47047 J. Funct. Anal. 67, 206-227 (1986). MSC: 47D03 46J15 PDFBibTeX XMLCite \textit{W. Ricker}, J. Funct. Anal. 67, 206--227 (1986; Zbl 0589.47047) Full Text: DOI
Ricker, Werner Spectral representation of local semigroups in locally convex spaces. (English) Zbl 0584.47047 Czech. Math. J. 35(110), 248-259 (1985). MSC: 47D03 47B40 PDFBibTeX XMLCite \textit{W. Ricker}, Czech. Math. J. 35(110), 248--259 (1985; Zbl 0584.47047) Full Text: EuDML
Dodds, Peter G.; Ricker, Werner Spectral measures and the Bade reflexivity theorem. (English) Zbl 0577.46043 J. Funct. Anal. 61, 136-163 (1985). MSC: 46G10 28B05 47B40 47A15 47B60 PDFBibTeX XMLCite \textit{P. G. Dodds} and \textit{W. Ricker}, J. Funct. Anal. 61, 136--163 (1985; Zbl 0577.46043) Full Text: DOI
Ricker, W. Semigroups of operators and an application to spectral theory. (English) Zbl 0544.47032 Math. Proc. Camb. Philos. Soc. 96, 143-149 (1984). MSC: 47D03 47B40 PDFBibTeX XMLCite \textit{W. Ricker}, Math. Proc. Camb. Philos. Soc. 96, 143--149 (1984; Zbl 0544.47032) Full Text: DOI
Ricker, W. Spectral representation of local semigroups associated with Klein-Landau systems. (English) Zbl 0538.47023 Math. Proc. Camb. Philos. Soc. 95, 93-100 (1984). MSC: 47D03 47B40 PDFBibTeX XMLCite \textit{W. Ricker}, Math. Proc. Camb. Philos. Soc. 95, 93--100 (1984; Zbl 0538.47023) Full Text: DOI
Ricker, W. On Boolean algebras of projections and scalar-type spectral operators. (English) Zbl 0508.47035 Proc. Am. Math. Soc. 87, 73-77 (1983). MSC: 47B40 46G10 47L10 PDFBibTeX XMLCite \textit{W. Ricker}, Proc. Am. Math. Soc. 87, 73--77 (1983; Zbl 0508.47035) Full Text: DOI
Ricker, Werner A criterion for an operator with real spectrum to be of scalar-type. (English) Zbl 0507.47020 Monatsh. Math. 95, 229-234 (1983). MSC: 47B40 46A50 46G10 PDFBibTeX XMLCite \textit{W. Ricker}, Monatsh. Math. 95, 229--234 (1983; Zbl 0507.47020) Full Text: DOI EuDML