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Stetkær, Henrik

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Author ID: stetkaer.henrik Recent zbMATH articles by "Stetkær, Henrik"
Published as: Stetkær, Henrik; Stetkaer, Henrik; Stetkaer, H.; Stetkær, H.
Homepage: https://pure.au.dk/portal/en/persons/henrik-stetkaer(22c9f59e-031d-4b06-b636-b10...
External Links: MGP · Wikidata · ResearchGate
Documents Indexed: 62 Publications since 1971, including 6 Books
Reviewing Activity: 53 Reviews

Publications by Year

Citations contained in zbMATH Open

50 Publications have been cited 415 times in 164 Documents Cited by Year
Functional equations on groups. Zbl 1298.39018
Stetkær, Henrik
75
2013
Functional equations on abelian groups with involution. Zbl 0899.39007
Stetkær, H.
42
1997
D’Alembert’s other functional equation on monoids with an involution. Zbl 1316.39006
Ebanks, Bruce; Stetkær, Henrik
31
2015
A variant of d’Alembert’s functional equation. Zbl 1317.39036
Stetkær, Henrik
27
2015
Van Vleck’s functional equation for the sine. Zbl 1348.39013
Stetkær, Henrik
17
2016
On Wilson’s functional equations. Zbl 1323.39020
Ebanks, Bruce; Stetkær, Henrik
17
2015
D’Alembert’s equation and spherical functions. Zbl 0810.39008
Stetkaer, Henrik
15
1994
D’Alembert’s and Wilson’s functional equations on step 2 nilpotent groups. Zbl 1054.39017
Stetkær, Henrik
13
2004
Wilson’s functional equations on groups. Zbl 0830.39016
Stetkaer, Henrik
12
1995
D’Alembert’s functional equations on metabelian groups. Zbl 0959.39023
Stetkær, Henrik
10
2000
Functional equations on abelian groups with involution. II. Zbl 0940.39020
Stetkær, Henrik
10
1998
On a variant of Wilson’s functional equation on groups. Zbl 1061.39020
Stetkær, Henrik
9
2004
Functional equations involving means of functions on the complex plane. Zbl 0913.39015
Stetkær, Henrik
9
1998
Functional equations and matrix-valued spherical functions. Zbl 1072.39023
Stetkær, Henrik
9
2005
Kannappan’s functional equation on semigroups with involution. Zbl 1370.39012
Stetkær, Henrik
9
2017
D’Alembert’s functional equation on groups. Zbl 1281.39028
Stetkær, Henrik
8
2013
On multiplicative maps. Zbl 1013.39012
Stetkær, Henrik
7
2001
On operator-valued spherical functions. Zbl 1119.47046
Stetkær, Henrik
7
2005
A link between Wilson’s and d’Alembert’s functional equations. Zbl 1344.39012
Stetkær, Henrik
7
2016
On the quadratic functional equation on groups. Zbl 1111.39024
de Place Friis, Peter; Stetkær, Henrik
7
2006
On the trigonometric subtraction and addition formulas. Zbl 0993.39023
Poulsen, Thomas A.; Stetkær, Henrik
6
2000
D’Alembert’s and Wilson’s functional equations for vector and \(2\times 2\) matrix valued functions. Zbl 0968.39012
Stetkær, Henrik
6
2000
On Jensen’s functional equation on groups. Zbl 1078.39024
Stetkær, Henrik
5
2003
Properties of d’Alembert functions. Zbl 1204.39023
Stetkær, Henrik
5
2009
A note on Wilson’s functional equation. Zbl 1373.39018
Stetkær, Henrik
4
2017
Continuous cocycles on locally compact groups. Zbl 1207.39033
Ebanks, Bruce; Stetkær, Henrik
4
2009
d’Alembert’s other functional equation. Zbl 1363.39029
Ebanks, Bruce; Stetkær, Henrik
3
2015
Wilson’s functional equation on \(\mathbb{C}\). Zbl 0869.39007
Stetkaer, Henrik
3
1997
The cosine addition law with an additional term. Zbl 1419.39045
Stetkær, Henrik
3
2016
The kernel of the second order Cauchy difference on semigroups. Zbl 1368.39019
Stetkær, Henrik
3
2017
More about Wilson’s functional equation. Zbl 1441.39026
Stetkær, Henrik
3
2020
Continuous cocycles on locally compact groups. II. Zbl 1216.39031
Ebanks, Bruce; Stetkær, Henrik
2
2010
On positive semidefinite solutions of the operator Lyapunov equation. Zbl 0413.47023
Stetkaer, Henrik
2
1979
Eigenspace representations of nilpotent Lie groups. Zbl 0456.22011
Jacobsen, Jacob; Stetkaer, Henrik
2
1981
On the cosine-sine functional equation on groups. Zbl 1030.39026
de Place Friis, Peter; Stetkær, Henrik
2
2002
On a signed cosine equation of \(N\) summands. Zbl 0858.39012
Stetkaer, Henrik
2
1996
Invariant pseudo-differential operators. Zbl 0226.58010
Stetkaer, Henrik
2
1971
Remarks on irreducibility of eigenspace representations. Zbl 0527.22015
Stetkaer, Henrik
2
1983
Scalar irreducibility of certain eigenspace representations. Zbl 0593.22003
Stetkaer, Henrik
2
1985
Extensions of the sine addition formula on monoids. Zbl 1401.39025
Ebanks, Bruce; Stetkær, Henrik
2
2018
A concise introduction to complex function theory. An invitation. Zbl 0947.30500
Rao, Murali; Stetkær, Henrik
2
1991
A factorization theorem for analytic functions operating in a Banach algebra. Zbl 0203.44702
Curtis, P. C. jun.; Stetkaer, H.
1
1971
Trigonometric functional equations of rectangular type. Zbl 0929.39011
Stetkær, Henrik
1
1998
Generalized rectangular functional equations. Zbl 0929.39010
Stetkær, Henrik
1
1999
Complete irreducibility and \(\chi\)-spherical representations. Zbl 0789.22025
Stetkær, Henrik
1
1993
Extensions of the sine addition law on groups. Zbl 1419.39049
Stetkær, Henrik
1
2019
Complex analysis. An invitation. 2nd enlarged ed. Zbl 1317.30001
Rao, Murali; Stetkær, Henrik; Fournais, Søren; Schach Møller, Jacob
1
2015
Ultra-irreducibility of induced representations of semidirect products. Zbl 0759.22016
Stetkær, Henrik
1
1991
Representations, convolution square roots and spherical vectors. Zbl 1158.43300
Stetkær, Henrik
1
2007
Invariant Fourier integral operators on Lie groups. Zbl 0298.58009
Nielsen, Borge P. D.; Stetkaer, Henrik
1
1975
More about Wilson’s functional equation. Zbl 1441.39026
Stetkær, Henrik
3
2020
Extensions of the sine addition law on groups. Zbl 1419.39049
Stetkær, Henrik
1
2019
Extensions of the sine addition formula on monoids. Zbl 1401.39025
Ebanks, Bruce; Stetkær, Henrik
2
2018
Kannappan’s functional equation on semigroups with involution. Zbl 1370.39012
Stetkær, Henrik
9
2017
A note on Wilson’s functional equation. Zbl 1373.39018
Stetkær, Henrik
4
2017
The kernel of the second order Cauchy difference on semigroups. Zbl 1368.39019
Stetkær, Henrik
3
2017
Van Vleck’s functional equation for the sine. Zbl 1348.39013
Stetkær, Henrik
17
2016
A link between Wilson’s and d’Alembert’s functional equations. Zbl 1344.39012
Stetkær, Henrik
7
2016
The cosine addition law with an additional term. Zbl 1419.39045
Stetkær, Henrik
3
2016
D’Alembert’s other functional equation on monoids with an involution. Zbl 1316.39006
Ebanks, Bruce; Stetkær, Henrik
31
2015
A variant of d’Alembert’s functional equation. Zbl 1317.39036
Stetkær, Henrik
27
2015
On Wilson’s functional equations. Zbl 1323.39020
Ebanks, Bruce; Stetkær, Henrik
17
2015
d’Alembert’s other functional equation. Zbl 1363.39029
Ebanks, Bruce; Stetkær, Henrik
3
2015
Complex analysis. An invitation. 2nd enlarged ed. Zbl 1317.30001
Rao, Murali; Stetkær, Henrik; Fournais, Søren; Schach Møller, Jacob
1
2015
Functional equations on groups. Zbl 1298.39018
Stetkær, Henrik
75
2013
D’Alembert’s functional equation on groups. Zbl 1281.39028
Stetkær, Henrik
8
2013
Continuous cocycles on locally compact groups. II. Zbl 1216.39031
Ebanks, Bruce; Stetkær, Henrik
2
2010
Properties of d’Alembert functions. Zbl 1204.39023
Stetkær, Henrik
5
2009
Continuous cocycles on locally compact groups. Zbl 1207.39033
Ebanks, Bruce; Stetkær, Henrik
4
2009
Representations, convolution square roots and spherical vectors. Zbl 1158.43300
Stetkær, Henrik
1
2007
On the quadratic functional equation on groups. Zbl 1111.39024
de Place Friis, Peter; Stetkær, Henrik
7
2006
Functional equations and matrix-valued spherical functions. Zbl 1072.39023
Stetkær, Henrik
9
2005
On operator-valued spherical functions. Zbl 1119.47046
Stetkær, Henrik
7
2005
D’Alembert’s and Wilson’s functional equations on step 2 nilpotent groups. Zbl 1054.39017
Stetkær, Henrik
13
2004
On a variant of Wilson’s functional equation on groups. Zbl 1061.39020
Stetkær, Henrik
9
2004
On Jensen’s functional equation on groups. Zbl 1078.39024
Stetkær, Henrik
5
2003
On the cosine-sine functional equation on groups. Zbl 1030.39026
de Place Friis, Peter; Stetkær, Henrik
2
2002
On multiplicative maps. Zbl 1013.39012
Stetkær, Henrik
7
2001
D’Alembert’s functional equations on metabelian groups. Zbl 0959.39023
Stetkær, Henrik
10
2000
On the trigonometric subtraction and addition formulas. Zbl 0993.39023
Poulsen, Thomas A.; Stetkær, Henrik
6
2000
D’Alembert’s and Wilson’s functional equations for vector and \(2\times 2\) matrix valued functions. Zbl 0968.39012
Stetkær, Henrik
6
2000
Generalized rectangular functional equations. Zbl 0929.39010
Stetkær, Henrik
1
1999
Functional equations on abelian groups with involution. II. Zbl 0940.39020
Stetkær, Henrik
10
1998
Functional equations involving means of functions on the complex plane. Zbl 0913.39015
Stetkær, Henrik
9
1998
Trigonometric functional equations of rectangular type. Zbl 0929.39011
Stetkær, Henrik
1
1998
Functional equations on abelian groups with involution. Zbl 0899.39007
Stetkær, H.
42
1997
Wilson’s functional equation on \(\mathbb{C}\). Zbl 0869.39007
Stetkaer, Henrik
3
1997
On a signed cosine equation of \(N\) summands. Zbl 0858.39012
Stetkaer, Henrik
2
1996
Wilson’s functional equations on groups. Zbl 0830.39016
Stetkaer, Henrik
12
1995
D’Alembert’s equation and spherical functions. Zbl 0810.39008
Stetkaer, Henrik
15
1994
Complete irreducibility and \(\chi\)-spherical representations. Zbl 0789.22025
Stetkær, Henrik
1
1993
A concise introduction to complex function theory. An invitation. Zbl 0947.30500
Rao, Murali; Stetkær, Henrik
2
1991
Ultra-irreducibility of induced representations of semidirect products. Zbl 0759.22016
Stetkær, Henrik
1
1991
Scalar irreducibility of certain eigenspace representations. Zbl 0593.22003
Stetkaer, Henrik
2
1985
Remarks on irreducibility of eigenspace representations. Zbl 0527.22015
Stetkaer, Henrik
2
1983
Eigenspace representations of nilpotent Lie groups. Zbl 0456.22011
Jacobsen, Jacob; Stetkaer, Henrik
2
1981
On positive semidefinite solutions of the operator Lyapunov equation. Zbl 0413.47023
Stetkaer, Henrik
2
1979
Invariant Fourier integral operators on Lie groups. Zbl 0298.58009
Nielsen, Borge P. D.; Stetkaer, Henrik
1
1975
Invariant pseudo-differential operators. Zbl 0226.58010
Stetkaer, Henrik
2
1971
A factorization theorem for analytic functions operating in a Banach algebra. Zbl 0203.44702
Curtis, P. C. jun.; Stetkaer, H.
1
1971
all top 5

Cited by 117 Authors

30 Kabbaj, Samir
27 Zeglami, Driss
22 Stetkær, Henrik
17 Fadli, Brahim
11 Elqorachi, Elhoucien
10 Ebanks, Bruce R.
9 Brzdęk, Janusz
8 Sahoo, Prasanna K.
7 Chahbi, Abdellatif
7 Charifi, Ahmed
6 Almahalebi, Muaadh
6 El-Fassi, Iz-Iddine
6 Elhoucien, Elqorachi
5 Łukasik, Radosław
4 Aissi, Youssef
4 Ajebbar, Omar
4 Ayoubi, Mohamed
4 Bahyrycz, Anna
4 Bouikhalene, Belaid
4 Chung, Jaeyoung
4 Fechner, Żywilla
4 Rassias, John Michael
4 Roukbi, Ahmed
4 Tial, Mohamed
3 Belfakih, Keltouma
3 Ng, Che Tat
3 Perkins, Allison M.
3 Sabour, Kh.
3 Yang, Dilian
2 Ahmed, Redouani
2 Akkaoui, Ahmed
2 Almira, Jose María
2 Belaid, Bouikhalene
2 Choi, Chang-Kwon
2 Dimou, Hajira
2 El Ghali, Rachid
2 Elfen, Heather Hunt
2 Fechner, Włodzimierz
2 Hunt, Heather B.
2 Jabłońska, Eliza
2 Kim, Gwang Hui
2 Lehlou, Fouad
2 Moussa, Mohammed
2 Ostaszewski, Adam J.
2 Rassias, Themistocles Michael
2 Redouani, Ahmed
2 Riedel, Thomas
2 Sikorska, Justyna
2 Száz, Árpád
1 Akkouchi, Mohamed
1 Alekseevskiĭ, Dmitriĭ Vladimirovich
1 An, Jinpeng
1 Aribou, Youssef
1 Badora, Roman
1 Bingham, Nicholas Hugh
1 Brillouët-Belluot, Nicole
1 Bunce, John Winston
1 Cain, Bryan E.
1 Chahbi, A. B.
1 Chojnacki, Wojciech
1 Chudziak, Jacek
1 Chung, Soon-Yeong
1 Ciepliński, Krzysztof
1 Dragomir, Sever Silvestru
1 El Fatini, Mohamed
1 Eloqrachi, Elhoucien
1 Engelmann, Matthias
1 Fatini, M. El
1 Fel’dman, Gennadiĭ Mikhaĭlovich
1 Fletcher, James
1 Ger, Roman
1 Gómez-Cubillo, Fernando
1 Gselmann, Eszter
1 Joo, Jae-Cheon
1 Jung, Soon-Mo
1 Kabbaj, Sam
1 Keltouma, Belfakih
1 Khalil, Sammad
1 Khaoua, Abderrahim
1 Kim, ChangIl
1 Kim, Jongjin
1 Kim, Kang-Tae
1 Kiss, Gergely
1 Lee, Zoonhee
1 Lescure, Jean-Marie
1 Li, Lin
1 Lin, Xia
1 Manar, Youssef
1 Marché, Julien
1 Molla, Arman
1 Moors, Warren B.
1 Moslehian, Mohammad Sal
1 Mouzoun, A.
1 Nicolay, Samuel
1 Nuino, Ahmed
1 Park, Choonkil
1 Piszczek, Magdalena
1 Pourpasha, Muhammad Mehdi
1 Przebieracz, Barbara
1 Rasmussen, Morten Grud
...and 17 more Authors
all top 5

Cited in 48 Serials

55 Aequationes Mathematicae
11 Results in Mathematics
11 Proyecciones
6 Journal of Mathematical Analysis and Applications
5 Bulletin of the Australian Mathematical Society
5 Journal of Functional Analysis
5 Acta Mathematica Hungarica
5 Afrika Matematika
4 Advances in Pure and Applied Mathematics
3 Indagationes Mathematicae. New Series
3 Annales Mathematicae Silesianae
2 Semigroup Forum
2 Abstract and Applied Analysis
2 Communications of the Korean Mathematical Society
2 Mediterranean Journal of Mathematics
2 Acta Universitatis Sapientiae. Mathematica
1 Advances in Mathematics
1 Annales de l’Institut Fourier
1 Annales Universitatis Mariae Curie-Skłodowska. Sectio A. Mathematica
1 Demonstratio Mathematica
1 International Journal of Mathematics and Mathematical Sciences
1 Integral Equations and Operator Theory
1 Journal of Soviet Mathematics
1 Mathematische Annalen
1 Mathematische Zeitschrift
1 Annals of Global Analysis and Geometry
1 Applied Mathematics Letters
1 Elemente der Mathematik
1 Linear Algebra and its Applications
1 Annales Mathématiques Blaise Pascal
1 Georgian Mathematical Journal
1 Boletín de la Sociedad Matemática Mexicana. Third Series
1 Arab Journal of Mathematical Sciences
1 Journal of Inequalities and Applications
1 Journal of the Australian Mathematical Society
1 Journal of Function Spaces and Applications
1 Boletim da Sociedade Paranaense de Matemática. Terceira Série
1 Fixed Point Theory and Applications
1 Annali della Scuola Normale Superiore di Pisa. Scienze Fisiche e Matematiche. III. Ser
1 Scientia. Series A: Mathematical Sciences. New Series
1 Journal of Fixed Point Theory and Applications
1 Complex Analysis and Operator Theory
1 Banach Journal of Mathematical Analysis
1 East Asian Mathematical Journal
1 Journal of Nonlinear Science and Applications
1 Journal of Function Spaces
1 Open Mathematics
1 Journal de l’École Polytechnique – Mathématiques

Citations by Year

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