×

zbMATH — the first resource for mathematics

Duncan, John

Compute Distance To:
Author ID: duncan.john Recent zbMATH articles by "Duncan, John"
Published as: Duncan, J.; Duncan, John
External Links: MGP
Documents Indexed: 45 Publications since 1966, including 3 Books

Publications by Year

Citations contained in zbMATH Open

34 Publications have been cited 1,334 times in 1,117 Documents Cited by Year
Complete normed algebras. Zbl 0271.46039
Bonsall, F. F.; Duncan, J.
497
1973
Numerical ranges of operators on normed spaces and of elements of normed algebras. Zbl 0207.44802
Bonsall, F. F.; Duncan, J.
300
1971
Numerical ranges II. Zbl 0262.47001
Bonsall, F. F.; Duncan, J.
185
1973
Amenability of inverse semigroups and their semigroup algebras. Zbl 0393.22004
Duncan, J.; Namioka, I.
65
1978
The second dual of a Banach algebra. Zbl 0427.46028
Duncan, J.; Hosseiniun, S. A. R.
59
1979
Amenability for discrete convolution semigroup algebras. Zbl 0748.46027
Duncan, J.; Paterson, A. L. T.
48
1990
The numerical index of a normed space. Zbl 0197.10402
Duncan, J.; McGregor, C. M.; Pryce, J. D.; White, A. J.
37
1970
Duals of Banach spaces of entire functions. Zbl 0769.46011
Anderson, J. M.; Duncan, J.
16
1990
Numerical ranges. Zbl 0461.47001
Bonsall, F. F.; Duncan, J.
12
1980
\(C^*\)-algebra of inverse semigroups. Zbl 0551.46045
Duncan, J.; Paterson, A. L. T.
12
1985
First order cohomology of Banach semigroup algebras. Zbl 0910.46055
Bowling, S.; Duncan, J.
12
1998
Characterizations of commutativity for \(C^*\)-algebras. Zbl 0301.46047
Crabb, M. J.; Duncan, J.; McGregor, C. M.
12
1974
Norm inequalities for \(C^*\)-algebras. Zbl 0331.46050
Duncan, J.; Taylor, P. J.
10
1976
The Banach algebra \(\ell^1(S)\). Zbl 0299.46047
Barnes, B. A.; Duncan, J.
10
1975
Some extremal problems in the theory of numerical ranges. Zbl 0229.46049
Crabb, M. J.; Duncan, J.; McGregor, C. M.
9
1972
Almost periodic functionals on Banach algebras. Zbl 0782.43008
Duncan, J.; Ülger, A.
6
1992
Second-order cohomology groups of some semigroup algebras. Zbl 0938.46046
Dales, H. Garth; Duncan, John
6
1998
Carleman’s inequality. Zbl 1187.26011
Duncan, John; McGregor, Colin M.
6
2003
Nonlinear conditions for differentiability of functions. Zbl 0632.58008
Duncan, John; Krantz, Steven G.; Parks, Harold R.
6
1985
Dually irreducible representations of Banach algebras. Zbl 0153.44603
Bonsall, F. F.; Duncan, J.
5
1968
Finite dimensionality, nilpotents and quasinilpotents in Banach algebras. Zbl 0275.46038
Duncan, J.; Tullo, A. W.
4
1974
Monogenic inverse semigroups and their \(C^*\)-algebras. Zbl 0557.47027
Conway, J. B.; Duncan, J.; Paterson, A. L. T.
3
1984
Hermitian powers: A Müntz theorem and extremal algebras. Zbl 0999.46021
Crabb, M. J.; Duncan, J.; McGregor, C. M.; Ransford, T. J.
2
2001
Primitive idempotent measures on compact semigroups. Zbl 0201.02802
Duncan, J.
2
1970
Spectra in some inverse semigroup algebras. Zbl 1098.46039
Crabb, M. J.; Duncan, J.; McGregor, C. M.
1
2004
\(C^*\)-algebras of Clifford semigroups. Zbl 0681.46052
Duncan, John; Paterson, A. L. T.
1
1989
Some inequalities for norm unitaries in Banach algebras. Zbl 0377.46039
Crabb, M. J.; Duncan, J.
1
1978
Some factorable nil rings of characteristic two. Zbl 0408.16006
Duncan, J.; MacDonald, I. D.
1
1979
Rectangular parallelepipeds in ellipsoids. Zbl 0865.51015
Duncan, J.; Khavinson, D.; Shapiro, H.
1
1996
On compact normal semigroups. Zbl 0205.02603
Choy, S. T. L.; Dummigan, B.; Duncan, J.
1
1969
Mapping theorems and the numerical radius. Zbl 0241.46046
Crabb, M. J.; Duncan, J.; McGregor, C. M.
1
1972
Finiteness and recognizability problems for substitution maps on two symbols. Zbl 1202.37014
Crabb, M. J.; Duncan, J.; McGregor, C. M.
1
2010
Dual representations of Banach algebras. Zbl 0148.37602
Bonsall, F. F.; Duncan, J.
1
1967
On one-sided primitivity of Banach algebras. Zbl 1195.46047
Crabb, M. J.; Duncan, J.; McGregor, C. M.
1
2010
Finiteness and recognizability problems for substitution maps on two symbols. Zbl 1202.37014
Crabb, M. J.; Duncan, J.; McGregor, C. M.
1
2010
On one-sided primitivity of Banach algebras. Zbl 1195.46047
Crabb, M. J.; Duncan, J.; McGregor, C. M.
1
2010
Spectra in some inverse semigroup algebras. Zbl 1098.46039
Crabb, M. J.; Duncan, J.; McGregor, C. M.
1
2004
Carleman’s inequality. Zbl 1187.26011
Duncan, John; McGregor, Colin M.
6
2003
Hermitian powers: A Müntz theorem and extremal algebras. Zbl 0999.46021
Crabb, M. J.; Duncan, J.; McGregor, C. M.; Ransford, T. J.
2
2001
First order cohomology of Banach semigroup algebras. Zbl 0910.46055
Bowling, S.; Duncan, J.
12
1998
Second-order cohomology groups of some semigroup algebras. Zbl 0938.46046
Dales, H. Garth; Duncan, John
6
1998
Rectangular parallelepipeds in ellipsoids. Zbl 0865.51015
Duncan, J.; Khavinson, D.; Shapiro, H.
1
1996
Almost periodic functionals on Banach algebras. Zbl 0782.43008
Duncan, J.; Ülger, A.
6
1992
Amenability for discrete convolution semigroup algebras. Zbl 0748.46027
Duncan, J.; Paterson, A. L. T.
48
1990
Duals of Banach spaces of entire functions. Zbl 0769.46011
Anderson, J. M.; Duncan, J.
16
1990
\(C^*\)-algebras of Clifford semigroups. Zbl 0681.46052
Duncan, John; Paterson, A. L. T.
1
1989
\(C^*\)-algebra of inverse semigroups. Zbl 0551.46045
Duncan, J.; Paterson, A. L. T.
12
1985
Nonlinear conditions for differentiability of functions. Zbl 0632.58008
Duncan, John; Krantz, Steven G.; Parks, Harold R.
6
1985
Monogenic inverse semigroups and their \(C^*\)-algebras. Zbl 0557.47027
Conway, J. B.; Duncan, J.; Paterson, A. L. T.
3
1984
Numerical ranges. Zbl 0461.47001
Bonsall, F. F.; Duncan, J.
12
1980
The second dual of a Banach algebra. Zbl 0427.46028
Duncan, J.; Hosseiniun, S. A. R.
59
1979
Some factorable nil rings of characteristic two. Zbl 0408.16006
Duncan, J.; MacDonald, I. D.
1
1979
Amenability of inverse semigroups and their semigroup algebras. Zbl 0393.22004
Duncan, J.; Namioka, I.
65
1978
Some inequalities for norm unitaries in Banach algebras. Zbl 0377.46039
Crabb, M. J.; Duncan, J.
1
1978
Norm inequalities for \(C^*\)-algebras. Zbl 0331.46050
Duncan, J.; Taylor, P. J.
10
1976
The Banach algebra \(\ell^1(S)\). Zbl 0299.46047
Barnes, B. A.; Duncan, J.
10
1975
Characterizations of commutativity for \(C^*\)-algebras. Zbl 0301.46047
Crabb, M. J.; Duncan, J.; McGregor, C. M.
12
1974
Finite dimensionality, nilpotents and quasinilpotents in Banach algebras. Zbl 0275.46038
Duncan, J.; Tullo, A. W.
4
1974
Complete normed algebras. Zbl 0271.46039
Bonsall, F. F.; Duncan, J.
497
1973
Numerical ranges II. Zbl 0262.47001
Bonsall, F. F.; Duncan, J.
185
1973
Some extremal problems in the theory of numerical ranges. Zbl 0229.46049
Crabb, M. J.; Duncan, J.; McGregor, C. M.
9
1972
Mapping theorems and the numerical radius. Zbl 0241.46046
Crabb, M. J.; Duncan, J.; McGregor, C. M.
1
1972
Numerical ranges of operators on normed spaces and of elements of normed algebras. Zbl 0207.44802
Bonsall, F. F.; Duncan, J.
300
1971
The numerical index of a normed space. Zbl 0197.10402
Duncan, J.; McGregor, C. M.; Pryce, J. D.; White, A. J.
37
1970
Primitive idempotent measures on compact semigroups. Zbl 0201.02802
Duncan, J.
2
1970
On compact normal semigroups. Zbl 0205.02603
Choy, S. T. L.; Dummigan, B.; Duncan, J.
1
1969
Dually irreducible representations of Banach algebras. Zbl 0153.44603
Bonsall, F. F.; Duncan, J.
5
1968
Dual representations of Banach algebras. Zbl 0148.37602
Bonsall, F. F.; Duncan, J.
1
1967
all top 5

Cited by 1,000 Authors

31 Martín Suarez, Miguel
31 Rodríguez Palacios, Angel
20 Merí, Javier
17 Acosta Vigil, María Dolores
17 Lau, Anthony To-Ming
14 Saito, Kichisuke
12 Amini, Massoud
12 Bhatt, Subhash J.
12 Crabb, Michael J.
12 Duncan, John
11 Kim, Sun Kwang
11 Payá, Rafael
10 Edwards, Christopher Martin
9 Bodaghi, Abasalt
9 García, Domingo
9 Ghahramani, Fereidoun
9 Maestre, Manuel
9 McGregor, Colin M.
9 Štěrbová, Dina
9 Wolf, Elke
8 Becerra Guerrero, Julio
8 Kaup, Wilhelm Gerhard
8 Lee, Han Ju
8 Raubenheimer, Heinrich
7 Kadets, Vladimir M.
7 Kim, Sung Guen
7 Müller, Vladimír
7 Park, Choonkil
7 Spain, Philip G.
7 Tanaka, Ryotaro
7 Villena, Armando R.
7 Willis, George A.
7 Zhang, Yong
6 Abtahi, Fatemeh
6 Aiena, Pietro
6 Boasso, Enrico
6 Brešar, Matej
6 Chō, Muneo
6 Hamada, Hidetaka
6 Jamison, James Edward
6 Kaidi, El Amin Mokhtar
6 Kohr, Gabriela
6 Medghalchi, Ali Reza
6 Peralta, Antonio M.
6 Pourabbas, Abdolrasoul
6 Scheffold, Egon
6 Smith, Roger R.
6 Sourour, Ahmed Ramzi
5 Aksoy, Asuman Güven
5 Aupetit, Bernard H.
5 Benslimane, Mohamed
5 Blecher, David P.
5 Boulabiar, Karim Mohamed
5 Choy, Stephen T. L.
5 Duggal, Bhagwati Prashad
5 Esslamzadeh, Gholam Hossein
5 Filali, Mahmoud
5 Gourdeau, Frédéric
5 Graham, Ian R.
5 Iochum, Bruno
5 Kaniuth, Eberhard
5 Komuro, Naoto
5 Li, Chi-Kwong
5 Loy, Richard J.
5 Mitani, Ken-Ichi
5 Pasteczka, Paweł
5 Poguntke, Detlev
5 Pourmahmood-Aghababa, Hasan
5 Pym, John S.
5 Rejali, Ali
5 Rüttimann, Gottfried T.
5 Samei, Ebrahim
5 Soleimani-Mourchehkhorti, Maryam
5 Soroushmehr, Maedeh
5 Yood, Bertram
4 Alaminos, Jerónimo
4 Barnes, Bruce A.
4 Brits, Rudi M.
4 Chang, Ick-Soon
4 Choi, Yun Sung
4 Chu, Choho
4 Deutsch, Emeric
4 Ebrahimi Bagha, Davood
4 Grobler, Jacobus J.
4 Grønbæk, Niels
4 Hatori, Osamu
4 Jabbari, Ali
4 Kato, Mikio
4 Kulkarni, S. H.
4 Lewicki, Grzegorz
4 Loupias, Guy
4 Mabrouk, Mohamed
4 Magajna, Bojan
4 Molnár, Lajos
4 Moreno Galindo, Antonio
4 Mouton, Sonja
4 Nakazi, Takahiko
4 Nasr-Isfahani, Rasoul
4 Nemati, Mehdi
4 Neumann, Michael M.
...and 900 more Authors
all top 5

Cited in 181 Serials

99 Journal of Mathematical Analysis and Applications
88 Journal of Functional Analysis
83 Proceedings of the American Mathematical Society
67 Linear Algebra and its Applications
37 Semigroup Forum
24 Archiv der Mathematik
24 Rendiconti del Circolo Matemàtico di Palermo. Serie II
23 Mathematische Annalen
23 Transactions of the American Mathematical Society
22 Proceedings of the Edinburgh Mathematical Society. Series II
21 Glasgow Mathematical Journal
21 Journal of Algebra
21 Mathematische Zeitschrift
18 Manuscripta Mathematica
17 Mathematical Proceedings of the Cambridge Philosophical Society
17 Positivity
16 Israel Journal of Mathematics
15 Rocky Mountain Journal of Mathematics
15 Mediterranean Journal of Mathematics
14 Advances in Mathematics
14 Mathematische Nachrichten
14 Quaestiones Mathematicae
12 Linear and Multilinear Algebra
12 Acta Mathematica Sinica. English Series
11 Bulletin of the Australian Mathematical Society
10 Communications in Algebra
10 Abstract and Applied Analysis
9 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
9 Czechoslovak Mathematical Journal
9 Integral Equations and Operator Theory
9 Monatshefte für Mathematik
9 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics
9 Journal of Mathematical Sciences (New York)
8 Periodica Mathematica Hungarica
8 Studia Mathematica
8 Acta Mathematica Hungarica
7 Annales Scientifiques de l’Université Blaise Pascal Clermont-Ferrand II. Mathématiques
7 Banach Journal of Mathematical Analysis
6 Aequationes Mathematicae
6 Proceedings of the Indian Academy of Sciences. Mathematical Sciences
6 Expositiones Mathematicae
5 Annales de l’Institut Fourier
5 Functional Analysis and its Applications
5 International Journal of Mathematics and Mathematical Sciences
5 Indagationes Mathematicae. New Series
5 Journal of the Australian Mathematical Society
5 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
5 Journal of Linear and Topological Algebra
4 Arkiv för Matematik
4 Numerical Functional Analysis and Optimization
4 Results in Mathematics
4 Journal of Inequalities and Applications
4 Communications of the Korean Mathematical Society
4 Nihonkai Mathematical Journal
4 Asian-European Journal of Mathematics
4 Sahand Communications in Mathematical Analysis
4 Advances in Operator Theory
3 Lithuanian Mathematical Journal
3 Mathematical Notes
3 Applied Mathematics and Computation
3 Canadian Mathematical Bulletin
3 Illinois Journal of Mathematics
3 Journal of Approximation Theory
3 Journal of the Mathematical Society of Japan
3 Ergodic Theory and Dynamical Systems
3 Bulletin of the Iranian Mathematical Society
3 Mathematical Inequalities & Applications
3 Bulletin of the American Mathematical Society
3 Science China. Mathematics
3 Journal of Function Spaces
2 Journal d’Analyse Mathématique
2 Reports on Mathematical Physics
2 Algebra Universalis
2 Journal of Computational and Applied Mathematics
2 Journal of Soviet Mathematics
2 Kodai Mathematical Journal
2 Mathematica Slovaca
2 Mathematika
2 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods
2 Numerische Mathematik
2 Publications of the Research Institute for Mathematical Sciences, Kyoto University
2 Zeitschrift für Analysis und ihre Anwendungen
2 Forum Mathematicum
2 Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences
2 Acta Mathematica Sinica. New Series
2 Filomat
2 The Journal of Fourier Analysis and Applications
2 Honam Mathematical Journal
2 Revista Matemática Complutense
2 Kragujevac Journal of Mathematics
2 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
2 Journal of Dynamical Systems and Geometric Theories
2 Journal of Algebra and its Applications
2 Cubo
2 Advances in Pure and Applied Mathematics
2 Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica
2 Annals of Functional Analysis
2 Journal of Mathematical Extension
2 Bollettino dell’Unione Matematica Italiana
1 American Mathematical Monthly
...and 81 more Serials
all top 5

Cited in 53 Fields

764 Functional analysis (46-XX)
440 Operator theory (47-XX)
192 Abstract harmonic analysis (43-XX)
70 Nonassociative rings and algebras (17-XX)
65 Topological groups, Lie groups (22-XX)
62 Linear and multilinear algebra; matrix theory (15-XX)
45 Associative rings and algebras (16-XX)
39 Group theory and generalizations (20-XX)
27 Several complex variables and analytic spaces (32-XX)
20 Real functions (26-XX)
20 Difference and functional equations (39-XX)
19 Functions of a complex variable (30-XX)
15 Global analysis, analysis on manifolds (58-XX)
14 Approximations and expansions (41-XX)
13 General topology (54-XX)
12 Order, lattices, ordered algebraic structures (06-XX)
12 Harmonic analysis on Euclidean spaces (42-XX)
11 Dynamical systems and ergodic theory (37-XX)
9 Numerical analysis (65-XX)
8 Convex and discrete geometry (52-XX)
7 Ordinary differential equations (34-XX)
7 Quantum theory (81-XX)
5 Probability theory and stochastic processes (60-XX)
4 Combinatorics (05-XX)
4 Potential theory (31-XX)
4 Computer science (68-XX)
4 Systems theory; control (93-XX)
3 Commutative algebra (13-XX)
3 Partial differential equations (35-XX)
3 Integral transforms, operational calculus (44-XX)
3 Integral equations (45-XX)
3 Manifolds and cell complexes (57-XX)
2 General and overarching topics; collections (00-XX)
2 Mathematical logic and foundations (03-XX)
2 Number theory (11-XX)
2 \(K\)-theory (19-XX)
2 Calculus of variations and optimal control; optimization (49-XX)
2 Differential geometry (53-XX)
2 Algebraic topology (55-XX)
1 General algebraic systems (08-XX)
1 Algebraic geometry (14-XX)
1 Category theory; homological algebra (18-XX)
1 Measure and integration (28-XX)
1 Special functions (33-XX)
1 Sequences, series, summability (40-XX)
1 Geometry (51-XX)
1 Statistics (62-XX)
1 Fluid mechanics (76-XX)
1 Relativity and gravitational theory (83-XX)
1 Operations research, mathematical programming (90-XX)
1 Biology and other natural sciences (92-XX)
1 Information and communication theory, circuits (94-XX)
1 Mathematics education (97-XX)

Citations by Year