Veröffentlichungen "Ricker, Werner J."

de Pagter, Ben ; Ricker, Werner J.:
The modulus of a vector measure.
In: Quaestiones mathematicae : QM ; journal of the South African Mathematical Society. 47 (2024) 1. - S. 121-136.
ISSN 0379-9468 ; 1607-3606
10.2989/16073606.2023.2287823
(Peer-Review-Journal)

Curbera, Guillermo ; Okada, Susumu ; Ricker, Werner J.:
The finite Hilbert transform acting in rearrangement invariant spaces on (-1, 1).
In: Duduchava, Roland ; Shargorodsky, Eugene ; Tephnadze, George (Hrsg.): Tbilisi Analysis and PDE Seminar : extended Abstracts of the 2020-2023 Seminar Talks. - Cham, Switzerland : Springer, 2024. - S. 55-65. - (Research Perspectives Ghent Analysis and PDE Center ; 7)
ISBN 978-3-031-62894-8 ; 978-3-031-62893-1 ; 978-3-031-62895-5 ; 978-3-031-62896-2
10.1007/978-3-031-62894-8_6
(Begutachteter Beitrag / peer-reviewed paper)

de Pagter, Ben ; Ricker, Werner J.:
Translation invariant Banach function spaces and Fourier multiplier operators.
In: Godefroy, Gilles ; Moslehian, Mohammad Sal ; Seoane-Sepúlveda, Juan Benigno (Hrsg.): Geometry of Banach Spaces and Related Fields. - Providence, RI, USA : American Mathematical Society, 2024. - S. 67-96. - (Proceedings of Symposia in Pure Mathematics (American Mathematical Society) ; 106)
ISBN 978-1-4704-7570-3 ; 978-1-4704-7674-8
(Begutachteter Beitrag / peer-reviewed paper)

Ricker, Werner J. ; de Pagter, Ben:
A Fuglede type theorem for Fourier multiplier operators.
In: Indagationes mathematicae / Koninklijke Nederlandse Akademie van Wetenschappen. 34 (2023) 2. - S. 259-273.
ISSN 0019-3577 ; 1872-6100
10.1016/j.indag.2022.10.005
(Peer-Review-Journal)

Curbera, Guillermo P. ; Ricker, Werner J.:
Convolution in dual Cesàro sequence spaces.
In: Journal of mathematical analysis and applications. 519 (2023) 2: 126838. - S. 21.
ISSN 0022-247x ; 1096-0813
10.1016/j.jmaa.2022.126838
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Spectral properties of generalized Cesàro operators in sequence spaces.
In: Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales : Serie A: Matemáticas ; RACSAM. 117 (2023) 4: 140. - 33 S.
ISSN 1578-7303 ; 1579-1505
10.1007/s13398-023-01470-2
(Peer-Review-Journal)

Ricker, Werner J.:
Convolution operators in translation invariant function spaces.
2022
Veranstaltung: Progress in Functional Analysis: Methods and Applications, 19 - 21 September 2022, Lecce, Italien.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Curbera, Guillermo P. ; Ricker, Werner J.:
Fine spectra and compactness of generalized Cesàro operators in Banach lattices in C^N.
In: Journal of mathematical analysis and applications. 507 (2022) 2: 125824. - 31 S.
ISSN 0022-247x ; 1096-0813
10.1016/j.jmaa.2021.125824
(Peer-Review-Journal)

Curbera, Guillermo ; Okada, Susumu ; Ricker, Werner J.:
Fine spectra of the finite Hilbert transform in function spaces.
In: Advances in mathematics. 380 (2021): 107597. - 29 S.
ISSN 0001-8708
10.1016/j.aim.2021.107597
(Peer-Review-Journal)

Bonet, José ; Ricker, Werner J.:
Frèchet and (LB)-sequence spaces induced by dual Banach spaces of discrete Cesàro spaces.
In: Bulletin of the Belgian Mathematical Society - Simon Stevin. 28 (2021) 1. - S. 1-19.
ISSN 1370-1444
10.36045/j.bbms.200203
(Peer-Review-Journal)

Bonet, José ; Ricker, Werner J.:
Operators acting in sequence spaces generated by dual Banach spaces of discrete Cesàro spaces.
In: Functiones et approximatio : commentarii mathematici. 64 (2021) 1. - S. 109-139.
ISSN 0208-6573 ; 2080-9433
10.7169/facm/1907
(Peer-Review-Journal)

Curbera, Guillermo ; Okada, Susumu ; Ricker, Werner J.:
Non-extendability of the finite Hilbert transform.
In: Monatshefte für Mathematik. 195 (2021) 4. - S. 649-657.
ISSN 0026-9255 ; 1436-5081
10.1007/s00605-021-01572-2
(Peer-Review-Journal)

Bonet, José ; Ricker, Werner J.:
Operators acting in the dual spaces of dicscrete Cesàro spaces.
In: Monatshefte für Mathematik. 191 (März 2020) 3. - S. 487-512.
ISSN 0026-9255 ; 1436-5081
10.1007/s00605-020-01370-2
(Peer-Review-Journal)

Bonet, José ; Ricker, Werner J.:
Order spectrum of the Cesàro operator in Banach lattice sequence spaces.
In: Positivity. 24 (2020) 3. - S. 593-603.
ISSN 1385-1292 ; 1572-9281
10.1007/s11117-019-00699-9
(Peer-Review-Journal)

Curbera, Guillermo ; Okada, Susumu ; Ricker, Werner J.:
Extension and integral representation of the finite Hilbert transform in rearrangement invariant spaces.
In: Quaestiones mathematicae : QM ; journal of the South African Mathematical Society. 43 (2020) 5-6. - S. 783-812.
ISSN 0379-9468 ; 1607-3606
10.2989/16073606.2019.1605423
(Peer-Review-Journal)

Ricker, Werner J.:
Convolution operators in discrete Cesàro spaces 2019.
2019
Veranstaltung: Seminario of the Instituto Universitario de Investigación de Matemáticas de la Universidad de Sevilla (IMUS), Spain, Sevilla, Spanien.
(Veranstaltungsbeitrag: Vortragsreihe, Vortrag)

Curbera, Guillermo ; Okada, Susumu ; Ricker, Werner J.:
Inversion and extension of the finite Hilbert transform on (-1,1).
In: Annali di matematica pura ed applicata. 198 (2019) 4. - S. 1835-1860.
ISSN 0373-3114
10.1007/s10231-019-00837-w
(Peer-Review-Journal)

Ricker, Werner J.:
Convolution operators in discrete Cesàro spaces.
In: Archiv der Mathematik. 112 (2019) 1. - S. 71-82.
ISSN 0003-889x ; 1420-8938
0.1007/s00013-018-1266-x
(Peer-Review-Journal)

Ricker, Werner J.:
The order spectrum of convolution operators in discrete Cesàro spaces.
In: Indagationes mathematicae / Koninklijke Nederlandse Akademie van Wetenschappen. 30 (2019) 4. - S. 527-535.
ISSN 0019-3577 ; 1872-6100
10.1016/j.indag.2019.01.008
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Multiplier and averaging operators in the Banach spaces ces(p), 1 < p < ∞.
In: Positivity. 23 (2019) 1. - S. 177-193.
ISSN 1385-1292 ; 1572-9281
10.1007/s11117-018-0601-6
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Operators on the Fréchet sequence spaces ces(p+), 1 ≤ p < ∞.
In: Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales : Serie A: Matemáticas ; RACSAM. 113 (2019) 2. - S. 1533-1556.
ISSN 1578-7303 ; 1579-1505
10.1007/s13398-018-0564-2
(Peer-Review-Journal)

Ricker, Werner J.:
Convolution operators in the Fréchet sequence space ω = ℂ^ℕ.
In: Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales : Serie A: Matemáticas ; RACSAM. 113 (2019). - S. 3069-3088.
ISSN 1578-7303 ; 1579-1505
0.1007/s13398-019-00675-8
(Peer-Review-Journal)

Ricker, Werner J.:
Convolution operators in the Frechet sequence space omega = C-N.
In: Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales : Serie A: Matemáticas ; RACSAM. 113 (2019) 4. - S. 3069-3088.
ISSN 1578-7303 ; 1579-1505
10.1007/s13398-019-00675-8
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J.:
Classes of localizable measure spaces.
In: Buskes, Gerard ; de Jeu, Marcel ; Dodds, Peter ; Schep, Anton ; Sukochev, Fedor ; van Neerven, Jan ; Wickstead, Anthony (Hrsg.): Festschrift in Honour of Ben de Pagter on the Occasion of his 65th Birthday. - Cham, Switzerland : Birkhäuser, 2019. - S. 425-469
ISBN 978-3-030-10850-2
(Begutachteter Beitrag / peer-reviewed paper)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Linear operators on the (LB)-sequence spaces ces(p-), 1 < p < ∞.
In: Ferrando, Juan Carlos (Hrsg.): Descriptive Topology and Functional Analysis II. - Cham, Switzerland, 2019. - S. 43-67. - (Springer Proceedings in Mathematics & Statistics ; 286)
ISBN 978-3-030-17375-3
(Begutachteter Beitrag / peer-reviewed paper)

Ricker, Werner J.:
Convolution operators in discrete Cesàro spaces.
2018
Veranstaltung: Workshop on Positivity and Noncommutative Analysis, 26. - 28. September 2018, Delft University of Technology, Delft, The Netherlands.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
Convolution operators in discrete Cesàro spaces.
2018
Veranstaltung: Pawel Domański Memorial Conference, 01. - 07. July 2018, The Mathematical Research and Conference Center, Bedlewo, Poland.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
Convolution operators in discrete Cesàro spaces.
2018
Veranstaltung: Harmonic Analysis Conference Celebrating the Mathematical Legacy of Alan McIntosh, 12. - 16. Februar, Australian National University, Canberra, Australia.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
The Cesàro operator on Korenblum type spaces of analytic functions.
In: Collectanea Mathematica. 69 (2018) 2. - S. 263-281.
ISSN 0010-0757
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J.:
Conical measures and closed vector measures.
In: Functiones et approximatio : commentarii mathematici. 59 (2018) 2. - S. 191-230.
ISSN 0208-6573 ; 2080-9433
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
The Fréchet spaces ces(p+),1 < p < ∞.
In: Journal of mathematical analysis and applications. 458 (2018). - S. 1314-1323.
ISSN 0022-247x ; 1096-0813
10.1016/j.jmaa.2017.10.024
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
The Cesàro operator on duals of power series spaces of infinite type.
In: Journal of operator theory. 79 (2018) 2. - S. 373-402.
ISSN 0379-4024
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
The Cesàro operator in weighted ℓ_1 spaces.
In: Mathematische Nachrichten. 291 (2018) 7. - S. 1015-1048.
ISSN 0025-584x ; 1522-2616
(Peer-Review-Journal)

Ricker, Werner J.:
On the optimally defined Hardy operator in L^p-spaces.
In: Proceedings of the American Mathematical Society. 146 (2018) 11. - S. 4693-4705.
ISSN 0002-9939 ; 1088-6826
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
The Cesàro operator on power series spaces.
In: Studia mathematica / Polska Akademia Nauk, Instytut Matematyczny. 240 (2018) 1. - S. 47-68.
ISSN 0039-3223 ; 1730-6337
10.4064/sm8590-2-2017
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
The Cesàro operator in the Fréchet spaces l^p+ and L^p-.
In: Glasgow Mathematical Journal. 59 (2017) 2. - S. 273-287.
ISSN 0017-0895
10.1017/S001708951600015X
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
On the Radon-Nikodym property in function spaces.
In: Proceedings of the American Mathematical Society. 145 (2017) 2. - S. 617-626.
ISSN 0002-9939 ; 1088-6826
10.1090/proc/13414
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
The weak Banach-Saks property for function spaces.
In: Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales : Serie A: Matemáticas ; RACSAM. 111 (2017) 3. - S. 657-671.
ISSN 1578-7303 ; 1579-1505
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
Multipliers for spaces of unconditional series in the Hardy spaces H^p(ID).
In: Ulmer Seminare über Funktionalanalysis und Differentialgleichungen. 20 (2017). - S. 81-83.
ISSN 1135-5425
(Peer-Review-Journal)

Ricker, Werner J.:
Commutativity of selfadjoint matrices.
In: Ulmer Seminare über Funktionalanalysis und Differentialgleichungen. 20 (2017). - S. 129-131.
ISSN 1135-5425
(Peer-Review-Journal)

Ricker, Werner J.:
Formation of averages: a classical proccess.
2016
Veranstaltung: Flinders Mathematical Sciences Laboratory, September 5th, 2016, Adelaide, Australia, Flinders University.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
Formation of averages: a classical process.
2016
Veranstaltung: Pure Mathematics Department, August 23rd, 2016, Sydney, Australia, University of New South Wales.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Okada, Susumu ; Ricker, Werner J.:
Weak completeness properties of the L^1-space of a spectral measure.
In: Dissertationes mathematicae. 519 (2016). - S. 1-47.
ISSN 0012-3862 ; 1730-6310
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
The Cèsaro operator in growth Banach spaces of analytic functions.
In: Integral Equations and Operator Theory. 86 (2016). - S. 97-112.
ISSN 0378-620x ; 1420-8989
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
Abstract Cèsaro spaces: Integral representations.
In: Journal of mathematical analysis and applications. 441 (2016) 1. - S. 25-44.
ISSN 0022-247x ; 1096-0813
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Dynamics and spectrum of the Cesàro operator on C^∞(R_+).
In: Monatshefte für Mathematik. 181 (2016). - S. 267-283.
ISSN 0026-9255 ; 1436-5081
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Mean ergodicity and spectrum of the Cesàro operator on weighted c_0 spaces.
In: Positivity. 20 (2016). - S. 761-803.
ISSN 1385-1292 ; 1572-9281
(Peer-Review-Journal)

Ricker, Werner J.:
The Cesàro operator on weighted l^p-spaces.
2015
Veranstaltung: Workshop on Functional Analysis Valencia 2015 on the occasion of the 60th birthday of José Bonet, 15 June - 19 June 2015, Valencia, Spain.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
The Cesàro operator on weighted l^p-spaces.
2015
Veranstaltung: Mathematics Seminar, March 12th, 2015, Delft, Niederlande, Delft University of Technology.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
Optimal extension of the Cesàro operator in L^p ([0,1]).
In: Bulletin of the Belgian Mathematical Society - Simon Stevin. 22 (2015). - S. 343-352.
ISSN 1370-1444
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
The Cesàro operator and unconditional Taylor series in Hardy spaces.
In: Integral Equations and Operator Theory. 83 (2015) 2. - S. 179-195.
ISSN 0378-620x ; 1420-8989
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
On the continuous Cesàro operator in certain function spaces.
In: Positivity. 19 (2015). - S. 659-679.
ISSN 1385-1292 ; 1572-9281
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Spectrum and compactness of the Cesàro operator on weighted ℓp spaces.
In: The Journal of the Australian Mathematical Society. 99 (2015). - S. 287-314.
ISSN 1446-7887 ; 0004-9735 ; 0263-6115
(Peer-Review-Journal)

Ricker, Werner J.:
Translation invariant Banach function spaces and order bounded multiplier operators.
2014
Veranstaltung: Mathematics Seminar / Mathematics Research Institute (IMUS), Universidad de Sevilla, March 19th, 2014, Sevilla, Spain.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
Translation invariant Banach function spaces and order bounded multiplier operators.
2014
Veranstaltung: Mathematics Seminiar / Institute of Pure and Applied Mathematics (IUMPA), Universitat Politècnica de Valènica, March 4th, 2014, València, Spain.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Uniform convergence and spectra of operators in a class of Fréchet spaces.
In: Abstract and Applied Analysis : AAA. (2014). - 16 S.
ISSN 1085-3375 ; 1687-0409
Article ID 179027
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J. ; Sánchez Pérez, Enrique A.:
Lattice copies of c_0 and ℓ∞ in spaces of integrable functions for a vector measure.
In: Dissertationes mathematicae. 500 (2014). - S. 1-68.
ISSN 0012-3862 ; 1730-6310
10.4064/dm500-0-1
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Uniform mean ergodicity of C_0-semigroups in a class of Fréchet spaces.
In: Functiones et approximatio : commentarii mathematici. 50 (2014) 2. - S. 307-349.
ISSN 0208-6573 ; 2080-9433
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J. ; Rodríguez-Piazza, Luis:
Operator ideal properties of the integration map of a vector measure.
In: Indagationes mathematicae / Koninklijke Nederlandse Akademie van Wetenschappen. 25 (2014) 2. - S. 315-340.
ISSN 0019-3577 ; 1872-6100
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
Solid extensions of the Cesàro operator on ℓp and c_0.
In: Integral Equations and Operator Theory. 80 (2014) 1. - S. 61-77.
ISSN 0378-620x ; 1420-8989
(Peer-Review-Journal)

Ricker, Werner J. ; Rodríguez-Piazza, Luis:
Absolutely summing multiplier operators in L^p(G) for p > 2.
In: Proceedings of the American Mathematical Society. 142 (2014) 12. - S. 4305-4313.
ISSN 0002-9939 ; 1088-6826
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Characterizing Fréchet-Schwartz spaces via power bounded operators.
In: Studia mathematica / Polska Akademia Nauk, Instytut Matematyczny. 224 (2014) 1. - S. 25-45.
ISSN 0039-3223 ; 1730-6337
(Peer-Review-Journal)

Ricker, Werner J.:
Multipliers and L^p-operator semigroups.
In: Ball, Joseph A. ; Dritschel, Michael A. ; ter Elst, A.F.M. ; Portal, Pierre ; Potapov, Denis (Hrsg.): Operator Theory in Harmonic and Non-commutative Analysis : IWOTA 12. - Cham : Springer, 2014. - S. 235-242. - (Operator Theory : Advances and Applications ; 240)
ISBN 978-3-319-06265-5
(Begutachteter Beitrag / peer-reviewed paper)

Curbera, Guillermo ; Ricker, Werner J.:
Spectrum of the Cesàro operator in ℓ^p.
In: Archiv der Mathematik. 100 (2013) 3. - S. 267-271.
ISSN 0003-889x ; 1420-8938
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
A feature of averaging.
In: Integral Equations and Operator Theory. 76 (2013) 3. - S. 447-449.
ISSN 0378-620x ; 1420-8989
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Convergence of arithmetic means of operators in Fréchet spaces.
In: Journal of mathematical analysis and applications. 401 (2013) 1. - S. 160-173.
ISSN 0022-247x ; 1096-0813
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
Solid extentsions of the Cesàro operator on the Hardy space H^2(D).
In: Journal of mathematical analysis and applications. 407 (2013) 2. - S. 387-397.
ISSN 0022-247x ; 1096-0813
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Montel resolvents and uniformly mean ergodic semigroups of linear operators.
In: Quaestiones mathematicae : QM ; journal of the South African Mathematical Society. 36 (2013). - S. 253-290.
ISSN 0379-9468 ; 1607-3606
(Peer-Review-Journal)

Ricker, Werner J.:
Optimal order bounded integration maps and convolution operators.
2012
Veranstaltung: Integration, Vector Measures and Related Topics V, 28. August - 01. September 2012, Palermo, Italy.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
Banach algebras and convolution operators in A(G).
2012
Veranstaltung: Mathematics Seminar, March 26th, 2012, Delft University of Technology, Delft, The Netherlands.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
A classical averaging operator.
2012
Veranstaltung: Mathematisches Kolloquium, 3. April 2012, Universität Siegen, Germany.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

del Campo, Ricardo ; Okada, Susumu ; Ricker, Werner J.:
L^p-spaces and ideal properties of integration operators for Fréchet-space-valued measures.
In: Journal of operator theory. 68 (2012) 2. - S. 463-485.
ISSN 0379-4024
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Mean ergodic semigroups of operators.
In: Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales : Serie A: Matemáticas ; RACSAM. 106 (2012) 2. - S. 299-319.
ISSN 1578-7303 ; 1579-1505
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J.:
Integral extension of multiplier operators in A(G).
In: Revista matemática complutense. 25 (2012) 1. - S. 199-219.
ISSN 0214-3577 ; 1139-1138
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
Extensions of the classical Cesàro operator in Hardy spaces.
In: Mathematica Scandinavica. 108 (2011). - S. 279-290.
ISSN 0025-5521
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J.:
Ideal properties and integral extension of convolution operators on L∞(G).
In: Note di Matematica. 31 (2011) 1. - S. 149-172.
ISSN 1123-2536 ; 1590-0932
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
Sobolev type inequalities for rearrangement invariant spaces.
In: Positivity. 15 (2011) 4. - S. 553-570.
ISSN 1385-1292 ; 1572-9281
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J. ; Rodríguez-Piazza, Luis:
Absolutely summing convolution operators in L^p(G).
In: Proceedings of the London Mathematical Society. 102 (2011) 5. - S. 843-882.
ISSN 0024-6115 ; 1460-244x
10.1112/plms/pdq042
(Peer-Review-Journal)

Bonet, José ; de Pagter, Ben ; Ricker, Werner J.:
Mean ergodic operators and reflexive Fréchet lattices.
In: Proceedings of the Royal Society of Edinburgh / Section A, Mathematics. 141 (2011). - S. 897-920.
ISSN 0308-2105 ; 0080-4541
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J. ; Rodríguez-Piazza, Luis:
Operator ideal properties of vector measures with finite variation.
In: Studia mathematica / Polska Akademia Nauk, Instytut Matematyczny. 205 (2011). - S. 215-249.
ISSN 0039-3223 ; 1730-6337
(Peer-Review-Journal)

Ricker, Werner J.:
Banach algebras, vector measures and convolution operators in A(G).
2010
Veranstaltung: Functional Analysis Valencia, 7.-11. Juni 2010, Valencia, Spain.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
Banach space geometry and Boolean algebras of projections.
2010
Veranstaltung: Mathematics Department, Delft University of Technology, February 2010, Delft, The Netherlands.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Mockenhaupt, Gerd ; Okada, Susumu ; Ricker, Werner J.:
Optimal extension of Fourier multiplier operators in L^p(G).
In: Integral Equations and Operator Theory. 68 (2010). - S. 573-599.
ISSN 0378-620x ; 1420-8989
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
C_0-semigroups and mean ergodic operators in a class of Fréchet spaces.
In: Journal of mathematical analysis and applications. 365 (2010) 1. - S. 142-157.
ISSN 0022-247x ; 1096-0813
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Grothendieck spaces with the Dunford-Pettis property.
In: Positivity. 14 (2010). - S. 145-164.
ISSN 1385-1292 ; 1572-9281
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
Function spaces arising from kernel operators.
In: Positivity. 14 (2010). - S. 637-653.
ISSN 1385-1292 ; 1572-9281
(Peer-Review-Journal)

del Campo, Ricardo ; Ricker, Werner J.:
The Fatou completion of a Fréchet function space and applications.
In: The Journal of the Australian Mathematical Society. 88 (2010). - S. 49-60.
ISSN 1446-7887 ; 0004-9735 ; 0263-6115
(Peer-Review-Journal)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
On mean ergodic operators.
In: Curbera, Guillermo P. ; Mockenhaupt, Gerd ; Ricker, Werner J. (Hrsg.): Vector Measures, Integration and Related Topics. - Basel : Birkhäuser, 2010. - S. 1-20. - (Operator Theory: Advances and Applications ; 201)
ISBN 978-3-03-460210-5 ; 978-3-0346-0211-2
(Begutachteter Beitrag / peer-reviewed paper)

de Pagter, Ben ; Ricker, Werner J.:
A note on R-boundedness in bidual spaces.
In: Curbera, Guillermo P. ; Mockenhaupt, Gerd ; Ricker, Werner J. (Hrsg.): Vector Measures, Integration and Related Topics. - Basel : Birkhäuser, 2010. - S. 323-325. - (Operator Theory: Advances and Applications ; 201)
ISBN 978-3-03-460210-5 ; 978-3-0346-0211-2
(Begutachteter Beitrag / peer-reviewed paper)

Curbera, Guillermo ; Mockenhaupt, Gerd ; Ricker, Werner J.:
Vector Measures, Integration and Related Topics.
Basel u.a. : Birkhäuser, 2010. - (Operator Theory: Advances and Applications ; 201)
ISBN 978-3-03-460210-5 ; 978-3-0346-0211-2

Ricker, Werner J.:
Banach space geometry and Boolean algebras of projections.
2009
Veranstaltung: Operators and Operator Algebras, 8.-11. Dezember 2009, University of Edinburgh, UK.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
C_0-semigroups in a class of Fréchet spaces.
2009
Veranstaltung: Mathematics Department, Delft University of Technology, May 2009, Delft, The Netherlands.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
Functional calculi with applications.
2009
Veranstaltung: Internationales mathematisches Festkolloquium zum 65. Geburtstag von Professor Dr. Ernst Albrecht, 31.7.2009, Fachrichtung Mathematik, Universität des Saarlandes, Saarbrücken, Germany.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
Optimal extension of multiplier operators in L^p(G).
2009
Veranstaltung: Instituto Universitario de Matemática Pura y Aplicada, Universidad Politécnica de Valencia, 3. April 2009, Valencia, Spain.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
Positive mean ergodic operators and reflexive Fréchet lattices.
2009
Veranstaltung: Conference "Positivity VI", 20.-24. Juli 2009, El Escorial, Madrid, Spain.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
The spectral theorem: a historical viewpoint.
2009
Veranstaltung: Mathematisches und Didaktisches Kolloquium, 20.5.2009, Institut für Mathematik, Universität Oldenburg, Germany.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Albanese, Angela A. ; Bonet, José ; Ricker, Werner J.:
Mean ergodic operators in Fréchet spaces.
In: Annales Academiae Scientiarum Fennicae. 34 (2009). - S. 401-436.
ISSN 0066-1953 ; 1239-629x
(Peer-Review-Journal)

Bonet, José ; Ricker, Werner J.:
Mean ergodicity of multiplication operators in weighted spaces of holomorphic functions.
In: Archiv der Mathematik. 92 (2009). - S. 428-437.
ISSN 0003-889x ; 1420-8938
(Peer-Review-Journal)

del Campo, Ricardo ; Ricker, Werner J.:
The space of scalarly integrable functions for a Frechet-space-valued measure.
In: Journal of mathematical analysis and applications. 354 (2009). - S. 641-647.
ISSN 0022-247x ; 1096-0813
(Peer-Review-Journal)

Curbera, Guillermo ; Delgado, Olvido ; Ricker, Werner J.:
Vector measures: where are their integrals?
In: Positivity. 13 (2009). - S. 61-87.
ISSN 1385-1292 ; 1572-9281
(Peer-Review-Journal)

de Pagter, Ben ; Ricker, Werner J.:
Fourier multipliers and spectral measures in Banach function spaces.
In: Positivity. 13 (2009). - S. 225-241.
ISSN 1385-1292 ; 1572-9281
(Peer-Review-Journal)

Ricker, Werner J.:
The Hausdorff-Young Inequality.
2008
Veranstaltung: Banach Algebras and Local Spectral Theory, 28.-30. Aug. 2009, Copenhagen (Denmark).
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
Mean Ergodic Operators.
2008
Veranstaltung: Mean Ergodic Operators, Februar 2008, Flinders University (Adelaide, Australien).
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Okada, Susumu ; Ricker, Werner J. ; Sánchez Pérez, Enrique A.:
Optimal domain and integral extension of operators : acting in function spaces.
Basel u.a. : Birkhäuser, 2008. - 400 S. - (Operator theory : advances and applications ; 180)
ISBN 978-3-7643-8647-4

Mockenhaupt, Gerd ; Ricker, Werner J.:
Optimal extension of the Hausdorff-Young inequality.
In: Journal für die reine und angewandte Mathematik. 620 (2008). - S. 195-211.
ISSN 0075-4102
(Peer-Review-Journal)

Mockenhaupt, Gerd ; Ricker, Werner J.:
Approximation of p-multiplier operators via their spectral projections.
In: Positivity. 12 (2008). - S. 133-150.
ISSN 1385-1292 ; 1572-9281
(Peer-Review-Journal)

de Pagter, Ben ; Ricker, Werner J.:
R-bounded representations of L ¹ ( G ).
In: Positivity. 12 (2008). - S. 151-166.
ISSN 1385-1292 ; 1572-9281
(Peer-Review-Journal)

Ricker, Werner J.:
The canonical spectral measure in Köthe echelon spaces.
2007
Veranstaltung: Functional Analysis Colloquium, 1. Juni 2007, Delft University of Technology, Delft, The Netherlands.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
Kernel operators: where are their integrals?
2007
Veranstaltung: Conference "Positivity V", 23.-27. Juli 2007, Queen's University, Belfast, UK.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Curbera, Guillermo ; Ricker, Werner J.:
Can optimal rearrangement invariant Sobolev imbeddings be further extended?
In: Indiana University mathematics journal : IUMJ. 56 (2007). - S. 1479-1497.
ISSN 0022-2518 ; 1943-5258
(Peer-Review-Journal)

Albrecht, Ernst ; Ricker, Werner J.:
Spectral properties of some linear matrix differential operators in L^p-spaces over R.
In: Integral Equations and Operator Theory. 59 (2007). - S. 449-489.
ISSN 0378-620x ; 1420-8989
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
The Fatou property in p-convex Banach lattices.
In: Journal of mathematical analysis and applications. 328 (2007). - S. 287-294.
ISSN 0022-247x ; 1096-0813
(Peer-Review-Journal)

Mathieu, Martin ; Ricker, Werner J.:
The Weyl calculus: finite dimensional aspects.
In: Mathematical proceedings of the Royal Irish Academy. 107A (2007) 2. - S. 171-181.
ISSN 1393-7197
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J.:
Optimal domains and integral representations of L^p(G)-valued convolution operators via measures.
In: Mathematische Nachrichten. 280 (2007). - S. 423-436.
ISSN 0025-584x ; 1522-2616
(Peer-Review-Journal)

Bonet, José ; Ricker, Werner J.:
Schauder decompositions and the Grothendieck and Dunford-Pettis properties in Koethe echelon spaces of infinite order.
In: Positivity. 11 (2007). - S. 77-93.
ISSN 1385-1292 ; 1572-9281
(Peer-Review-Journal)

de Pagter, Ben ; Ricker, Werner J.:
C(K)-representations and R-boundedness.
In: The journal of the London Mathematical Society. 76 (2007) 2. - S. 498-512.
ISSN 0024-6107
10.1112/jlms/jdm072
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
Compactness properties of Sobolev imbeddings for rearrangement invariant norms.
In: Transactions of the American Mathematical Society. 359 (2007). - S. 1471-1484.
ISSN 0002-9947
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
Vector measures, integration and applications.
In: Boulabiar, Karim ; Buskes, Gerard ; Triki, Abdelmajid (Hrsg.): Positivity : outflow from the 2006 conference Carthapos06 in Tunis (Tunisia). - Basel u.a. : Birkhäuser, 2007. - S. 127-160. - (Trends in mathematics)
ISBN 978-3-7643-8478-4 ; 978-3-7643-8477-7
(Begutachteter Beitrag / peer-reviewed paper)

Ricker, Werner J.:
The Hausdorff-Young inequality in L^p spaces.
2006
Veranstaltung: Functional Analysis Colloquium, 3. März 2006, Mathematics Department, Delft University of Technology, Delft, The Netherlands.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
The Hausdorff-Young inequality.
2006
Veranstaltung: 50th Annual Meeting of the Australian Mathematical Society, 25.-29. Sept. 2006, Macquarie University, Sydney, Australia.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
R-boundedness, Banach space geometry and group homomorphisms.
2006
Veranstaltung: Second Meeting on Vector Measures and Integration, 16.-18. Nov. 2006, Escuela Técnica Superior de Ingenieros, Universidad de Sevilla, Spain.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
The spectral mapping property for linear differential operators in L^p(R^N).
2006
Veranstaltung: Mathematics Department, Flinders University, Sept. 2006, Adelaide, Australia.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
Vector measures, Banach lattices and the Fatou property.
2006
Veranstaltung: Analysis Seminar, 19.-21. May 2006, Salzburg, Austria.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Curbera, Guillermo ; Ricker, Werner J.:
Banach lattices with the Fatou property and optimal domains of kernel operators.
In: Indagationes mathematicae / Koninklijke Nederlandse Akademie van Wetenschappen. 17 (2006). - S. 187-204.
ISSN 0019-3577 ; 1872-6100
(Peer-Review-Journal)

Bonet, José ; Okada, Susumu ; Ricker, Werner J.:
The canonical spectral measure and Koethe function spaces.
In: Quaestiones mathematicae : QM ; journal of the South African Mathematical Society. 29 (2006). - S. 91-116.
ISSN 0379-9468 ; 1607-3606
(Peer-Review-Journal)

de Pagter, Ben ; Ricker, Werner J.:
R-boundedness of C(K) representations, group homomorphisms and Banach space geometry.
In: Weber, Martin R. (Hrsg.): Proceedings of the Conference Positivity IV - Theory and Applications : Dresden (Germany), July 25 - 29, 2005. - Dresden : Techn. Univ., Inst. für Analysis, 2006. - S. 115-129
ISBN 3-86005-512-7
(Begutachteter Beitrag / peer-reviewed paper)

Ricker, Werner J.:
The spectrum of linear differential operators in L^p (R^n).
2005
Veranstaltung: Fachbereich Mathematik, Universität Paderborn, Nov. 2005, Paderborn, Germany.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
Vector measures, Banach lattices and the Fatou property.
2005
Veranstaltung: Functional Analysis Colloquium, 23. Februar 2005, Mathematics Department, Delft University of Technology, Delft, The Netherlands.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
Vector measures, Banach lattices and the Fatou property.
2005
Veranstaltung: Conference "Positivity IV - Theory and Applications", 25.-29. Juli 2005, TU Dresden.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Bonet, José ; Ricker, Werner J.:
The canonical spectral measure in Koethe echelon spaces.
In: Integral Equations and Operator Theory. 53 (2005). - S. 477-496.
ISSN 0378-620x ; 1420-8989
(Peer-Review-Journal)

de Pagter, Ben ; Ricker, Werner J.:
Products of commuting Boolean algebras of projections and Banach space geometry.
In: Proceedings of the London Mathematical Society. 91 (2005) 2. - S. 483-508.
ISSN 0024-6115 ; 1460-244x
10.1112/S0024611505015303
(Peer-Review-Journal)

Fremlin, David H. ; de Pagter, Ben ; Ricker, Werner J.:
Sequential closedness of Boolean algebras of projections in Banach spaces.
In: Studia mathematica / Polska Akademia Nauk, Instytut Matematyczny. 167 (2005). - S. 45-62.
ISSN 0039-3223 ; 1730-6337
(Peer-Review-Journal)

Ricker, Werner J.:
The spectral mapping property for p-multiplier operators on compact abelian groups.
In: The Journal of the Australian Mathematical Society. 78 (2005). - S. 423-428.
ISSN 1446-7887 ; 0004-9735 ; 0263-6115
(Peer-Review-Journal)

Ricker, Werner J.:
Banach algebras of p-multiplier operators for the circle group.
2004
Veranstaltung: Functional Analysis Colloquium, 24. März 2004, Delft University of Technology, Delft, The Netherlands.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
Banach algebras of p-multiplier operators for the circle group.
2004
Veranstaltung: Mathematics Department, Flinders University, Oct. 2004, Adelaide, Australia.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
Convolution operators in L^1 (T) via measures from M_0 (T).
2004
Veranstaltung: Analysis Seminar, 28.-30. Mai 2004, Kirchschlag, Austria.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
Optimal domains for convolution operators in L^p(G).
2004
Veranstaltung: Spectral Theory in Banach Spaces and Harmonic Analysis, 25.-31.7.2004, Mathematisches Forschungsinstitut Oberwolfach, Germany.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
Optimal domains for convolution operators in L^p(G).
2004
Veranstaltung: 48th Annual Meeting of the Australian Mathematical Society, 28.9.-1.10.2004, Royal Melbourne Institute of Technology, Melbourne, Australia.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
Vector measures and p-multiplier operators for the circle group.
2004
Veranstaltung: Primer Encuentro sobre Medidas Vectoriales e Integración = Conference on "Vector Measures and Integration", 11.-12. November 2004, Valencia, Spain.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Bonet, José ; Ricker, Werner J.:
Spectral measures in classes of Fréchet spaces.
In: Bulletin de la Société Royale des Sciences de Liège. (2004). - S. 99-117.
ISSN 0037-9565
(Peer-Review-Journal)

Ricker, Werner J.:
Banach algebras of p-multiplier operators for the circle group.
In: Contemporary mathematics : CONM. 363 (2004). - S. 299-312.
ISSN 0271-4132
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J.:
Optimal domains and integral representations of convolution operators in L^p(G).
In: Integral Equations and Operator Theory. 48 (2004). - S. 525-546.
ISSN 0378-620x ; 1420-8989
(Peer-Review-Journal)

Ricker, Werner J. ; Väth, Martin:
Spaces of complex functions and vector measures in incomplete spaces.
In: Journal of function spaces and applications. 2 (2004) 1. - S. 1-16.
ISSN 0972-6802
(Peer-Review-Journal)

Ricker, Werner J.:
Optimal domains for convolution operators in L^p(G).
In: Oberwolfach Reports. 1 (2004). - S. 1895-1898.
ISSN 1660-8933

Diestel, J ; Ricker, Werner J.:
The strong closure of Boolean algebras of projections in Banach spaces.
In: The Journal of the Australian Mathematical Society. 77 (2004). - S. 1-5.
ISSN 1446-7887 ; 0004-9735 ; 0263-6115
(Peer-Review-Journal)

Ricker, Werner J.:
Banach algebras of Fourier p-multiplier operators for the circle group.
2003
Veranstaltung: Analysis Seminar, 11.-13. April 2003, Kaltenberg, Austria.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
Banach algebras of p-multiplier operators for the circle group.
2003
Veranstaltung: Banach Algebras and their Applications, 27.7.-9.8.2003, University of Alberta, Edmonton, Canada.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung, Vortrag)

Ricker, Werner J.:
The spectral mapping property for linear differential operators in L^p(R^N), p>1.
2003
Veranstaltung: Functional Analysis Colloquium, 21. März 2003, Delft University of Technology, Delft, The Netherlands.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Ricker, Werner J.:
The spectral mapping property for linear differential operators in Lebesgue spaces.
2003
Veranstaltung: Mathematisches Kolloquium, 25. Juni 2003, Fakultät für Mathematik und Informatik der Universität Würzburg, Germany.
(Veranstaltungsbeitrag: Sonstige Veranstaltungsart, Vortrag)

Bonet, José ; Ricker, Werner J.:
Boolean algebras of projections in (DF)- and (LF)-spaces.
In: Bulletin of the Australian Mathematical Society. 67 (2003). - S. 297-303.
ISSN 0004-9727
(Peer-Review-Journal)

Mockenhaupt, Gerd ; Ricker, Werner J.:
Fuglede's theorem, the bicommutant theorem and p-multiplier operators for the circle.
In: Journal of operator theory. 49 (2003). - S. 295-310.
ISSN 0379-4024
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J.:
Fréchet-space-valued measures and the AL-property.
In: Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales : Serie A: Matemáticas ; RACSAM. 97 (2003). - S. 305-314.
ISSN 1578-7303 ; 1579-1505
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
Optimal domains for the kernel operator associated with Sobolev's inequality.
In: Studia mathematica / Polska Akademia Nauk, Instytut Matematyczny. 158 (2003). - S. 131-152.
ISSN 0039-3223 ; 1730-6337
(Peer-Review-Journal)

Albrecht, Ernst ; Ricker, Werner J.:
Local spectral theory for operators with thin spectrum.
In: Gheondea, Aurelian ; Şabac, Mihai: Spectral Analysis and Its Applications : Ion Colojoară Anniversary. - Bucharest : Theta, 2003. - S. 1-25. - (Theta series in advanced mathematics ; 2)
ISBN 973-85432-3-1
(Begutachteter Beitrag / peer-reviewed paper)

Ricker, Werner J. ; Väth, Martin:
An extension of a commutativity theorem of M. Uchiyama.
In: Bulletin / Irish Mathematical Society. 48 (2002). - S. 35-41.
ISSN 0791-5578
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J.:
Compact integration operators for Fréchet-space-valued measures.
In: Indagationes mathematicae / Koninklijke Nederlandse Akademie van Wetenschappen. 13 (2002). - S. 209-227.
ISSN 0019-3577 ; 1872-6100
(Peer-Review-Journal)

Ressel, Paul ; Ricker, Werner J.:
An integral representation for semigroups of unbounded normal operators.
In: Journal of operator theory. 47 (2002). - S. 219-243.
ISSN 0379-4024
(Peer-Review-Journal)

Ressel, Paul ; Ricker, Werner J.:
Vector-valued positive definite functions, the Berg-Maserick theorem, and applications.
In: Mathematica Scandinavica. 90 (2002). - S. 289-319.
ISSN 0025-5521
(Peer-Review-Journal)

Curbera, Guillermo ; Ricker, Werner J.:
Optimal domains for kernel operators via interpolation.
In: Mathematische Nachrichten. 244 (2002). - S. 47-63.
ISSN 0025-584x ; 1522-2616
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J. ; Rodríguez-Piazza, Luis:
Compactness of the integration operator associated with a vector measure.
In: Studia mathematica / Polska Akademia Nauk, Instytut Matematyczny. 150 (2002). - S. 133-149.
ISSN 0039-3223 ; 1730-6337
(Peer-Review-Journal)

Okada, Susumu ; Ricker, Werner J.:
Criteria for determining compactness of the integration operator associated with a vector measure.
In: Tatra Mountains mathematical publications. 24 (2002). - S. 175-188.
ISSN 1210-3195
(Peer-Review-Journal)

Ricker, Werner J. ; Väth, Martin:
The Weyl calculus and commutativity of selfadjoint matrices and operators.
In: Tübinger Berichte zur Funktionalanalysis. 11 (2001). - S. 279-294.