Edit Profile (opens in new tab) Raubenheimer, Heinrich Co-Author Distance Author ID: raubenheimer.heinrich Published as: Raubenheimer, H.; Raubenheimer, Heinrich Homepage: https://www.uj.ac.za/contact/Pages/Heinrich-Raubenheimer.aspx External Links: ResearchGate Documents Indexed: 38 Publications since 1982 Co-Authors: 13 Co-Authors with 29 Joint Publications 75 Co-Co-Authors all top 5 Co-Authors 4 single-authored 6 Brits, Rudi M. 6 Lindeboom, Lenore 4 Grobler, Jacobus J. 4 Mouton, Sonja 4 Swartz, Andre 3 Mouton, Toit 2 Behrendt, D. 2 Braatvedt, Gareth 2 Groenewald, L. 2 Harte, Robin E. 2 Koumba, U. 1 du T. Mouton, H. 1 Laustsen, Niels Jakob 1 Lukoto, Tshikhudo 1 Van Appel, Jacques 1 van Eldik, Peter 1 Wilkins, T. J. D. all top 5 Serials 9 Quaestiones Mathematicae 4 Czechoslovak Mathematical Journal 4 Positivity 3 Studia Mathematica 3 Extracta Mathematicae 2 Rocky Mountain Journal of Mathematics 2 Bulletin of the London Mathematical Society 2 Glasgow Mathematical Journal 2 Proceedings of the Royal Irish Academy. Section A, Mathematical and Physical Sciences 2 Mathematical Proceedings of the Royal Irish Academy 1 Journal of Mathematical Analysis and Applications 1 Illinois Journal of Mathematics 1 Integral Equations and Operator Theory 1 Indagationes Mathematicae. New Series 1 Afrika Matematika all top 5 Fields 35 Functional analysis (46-XX) 21 Operator theory (47-XX) 1 Associative rings and algebras (16-XX) 1 Potential theory (31-XX) 1 Abstract harmonic analysis (43-XX) 1 Integral equations (45-XX) 1 Probability theory and stochastic processes (60-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 33 Publications have been cited 190 times in 90 Documents Cited by ▼ Year ▼ Cones in Banach algebras. Zbl 0887.46026 Raubenheimer, H.; Rode, S. 26 1996 More spectral theory in ordered Banach algebras. Zbl 0904.46036 Mouton, S.; Raubenheimer, H. 18 1997 More on Fredholm theory relative to a Banach algebra homomorphism. Zbl 0790.46037 Mouton, Toit; Raubenheimer, Heinrich 17 1993 Ruston elements and Fredholm theory relative to arbitrary homomorphisms. Zbl 1274.46095 Mouton, H.du T.; Mouton, S.; Raubenheimer, H. 14 2011 Spectral properties of elements in different Banach algebras. Zbl 0761.46039 Grobler, J. J.; Raubenheimer, H. 14 1991 On regularities and Fredholm theory. Zbl 1010.46045 Lindeboom, L.; Raubenheimer, H. 9 2002 The index for Fredholm elements in a Banach algebra via a trace. Zbl 1166.46024 Grobler, J. J.; Raubenheimer, H. 8 2008 On domination of inessential elements in ordered Banach algebras. Zbl 1160.46029 Behrendt, D.; Raubenheimer, H. 7 2007 Gelfand–Hille type theorems in ordered Banach algebras. Zbl 1169.46024 Braatvedt, Gareth; Brits, Rudi; Raubenheimer, Heinrich 7 2009 On rank one and finite elements of Banach algebras. Zbl 0814.46035 Mouton, T.; Raubenheimer, H. 6 1993 A note on the singular and exponential spectrum in Banach algebras. Zbl 0673.46022 Groenewald, L.; Raubenheimer, H. 6 1988 The index for Fredholm elements in a Banach algebra via a trace. II. Zbl 1374.46037 Grobler, Jacobus J.; Raubenheimer, Heinrich; Swartz, Andre 6 2016 Perturbation by inessential and Riesz elements. Zbl 0705.46022 Groenewald, L.; Harte, R. E.; Raubenheimer, H. 6 1989 Fredholm theory relative to two Banach algebra homomorphisms. Zbl 0763.46035 Mouton, T.; Raubenheimer, H. 6 1991 Spectral characterizations of scalars in a Banach algebra. Zbl 1193.46028 Braatvedt, G.; Brits, R.; Raubenheimer, H. 6 2009 Fredholm, Weyl and Browder theory. III. Zbl 0853.46042 Harte, Robin; Raubenheimer, Heinrich 5 1995 The o-spectrum of r-asymptotically quasi-finite-rank operators. Zbl 0586.47001 Raubenheimer, Heinrich 4 1984 r-asymptotically quasi-finite rank operators and the spectrum of measures. Zbl 0613.47036 Raubenheimer, Heinrich 4 1986 Fredholm theory for operators in an operator ideal with a trace. I. Zbl 0498.47018 Grobler, J. J.; Raubenheimer, H.; van Eldik, P. 4 1982 Spectral theory in ordered Banach algebras. Zbl 1380.46035 Mouton, Sonja; Raubenheimer, Heinrich 3 2017 Rank and the Drazin inverse in Banach algebras. Zbl 1113.46042 Brits, R. M.; Lindeboom, L.; Raubenheimer, H. 2 2006 A note on the singular spectrum. Zbl 1054.46510 Lindeboom, L.; Raubenheimer, H. 2 1998 Positive Riesz operators. Zbl 1348.47019 Koumba, U.; Raubenheimer, H. 2 2015 On quasinilpotent equivalence of finite rank elements in Banach algebras. Zbl 1224.46091 Raubenheimer, Heinrich 2 2010 Finite rank Riesz operators. Zbl 1287.47020 Koumba, U.; Raubenheimer, H. 2 2014 Finite spectra and quasinilpotent equivalence in Banach algebras. Zbl 1274.46094 Brits, Rudi M.; Raubenheimer, Heinrich 2 2012 On ideals of generalised invertible elements in Banach algebras. Zbl 1102.46028 Brits, R. M.; Lindeboom, L.; Raubenheimer, H. 2 2005 Radius preserving (semi)regularities in Banach algebras. Zbl 1439.46039 Raubenheimer, H.; Swartz, A. 2 2019 Different exponential spectra in Banach algebras. Zbl 0969.46038 Lindeboom, L.; Raubenheimer, H. 1 1999 On regular Riesz operators. Zbl 1001.47010 Raubenheimer, Heinrich 1 2000 Regularity-type properties of the boundary spectrum in Banach algebras. Zbl 1473.46051 Raubenheimer, Heinrich; Swartz, Andre 1 2019 On the structure of rank one elements in Banach algebras. Zbl 1055.46029 Brits, Rudi M.; Lindeboom, Lenore; Raubenheimer, Heinrich 1 2003 The Jacobson property in Banach algebras. Zbl 1499.46094 Raubenheimer, H.; Swartz, A. 1 2022 The Jacobson property in Banach algebras. Zbl 1499.46094 Raubenheimer, H.; Swartz, A. 1 2022 Radius preserving (semi)regularities in Banach algebras. Zbl 1439.46039 Raubenheimer, H.; Swartz, A. 2 2019 Regularity-type properties of the boundary spectrum in Banach algebras. Zbl 1473.46051 Raubenheimer, Heinrich; Swartz, Andre 1 2019 Spectral theory in ordered Banach algebras. Zbl 1380.46035 Mouton, Sonja; Raubenheimer, Heinrich 3 2017 The index for Fredholm elements in a Banach algebra via a trace. II. Zbl 1374.46037 Grobler, Jacobus J.; Raubenheimer, Heinrich; Swartz, Andre 6 2016 Positive Riesz operators. Zbl 1348.47019 Koumba, U.; Raubenheimer, H. 2 2015 Finite rank Riesz operators. Zbl 1287.47020 Koumba, U.; Raubenheimer, H. 2 2014 Finite spectra and quasinilpotent equivalence in Banach algebras. Zbl 1274.46094 Brits, Rudi M.; Raubenheimer, Heinrich 2 2012 Ruston elements and Fredholm theory relative to arbitrary homomorphisms. Zbl 1274.46095 Mouton, H.du T.; Mouton, S.; Raubenheimer, H. 14 2011 On quasinilpotent equivalence of finite rank elements in Banach algebras. Zbl 1224.46091 Raubenheimer, Heinrich 2 2010 Gelfand–Hille type theorems in ordered Banach algebras. Zbl 1169.46024 Braatvedt, Gareth; Brits, Rudi; Raubenheimer, Heinrich 7 2009 Spectral characterizations of scalars in a Banach algebra. Zbl 1193.46028 Braatvedt, G.; Brits, R.; Raubenheimer, H. 6 2009 The index for Fredholm elements in a Banach algebra via a trace. Zbl 1166.46024 Grobler, J. J.; Raubenheimer, H. 8 2008 On domination of inessential elements in ordered Banach algebras. Zbl 1160.46029 Behrendt, D.; Raubenheimer, H. 7 2007 Rank and the Drazin inverse in Banach algebras. Zbl 1113.46042 Brits, R. M.; Lindeboom, L.; Raubenheimer, H. 2 2006 On ideals of generalised invertible elements in Banach algebras. Zbl 1102.46028 Brits, R. M.; Lindeboom, L.; Raubenheimer, H. 2 2005 On the structure of rank one elements in Banach algebras. Zbl 1055.46029 Brits, Rudi M.; Lindeboom, Lenore; Raubenheimer, Heinrich 1 2003 On regularities and Fredholm theory. Zbl 1010.46045 Lindeboom, L.; Raubenheimer, H. 9 2002 On regular Riesz operators. Zbl 1001.47010 Raubenheimer, Heinrich 1 2000 Different exponential spectra in Banach algebras. Zbl 0969.46038 Lindeboom, L.; Raubenheimer, H. 1 1999 A note on the singular spectrum. Zbl 1054.46510 Lindeboom, L.; Raubenheimer, H. 2 1998 More spectral theory in ordered Banach algebras. Zbl 0904.46036 Mouton, S.; Raubenheimer, H. 18 1997 Cones in Banach algebras. Zbl 0887.46026 Raubenheimer, H.; Rode, S. 26 1996 Fredholm, Weyl and Browder theory. III. Zbl 0853.46042 Harte, Robin; Raubenheimer, Heinrich 5 1995 More on Fredholm theory relative to a Banach algebra homomorphism. Zbl 0790.46037 Mouton, Toit; Raubenheimer, Heinrich 17 1993 On rank one and finite elements of Banach algebras. Zbl 0814.46035 Mouton, T.; Raubenheimer, H. 6 1993 Spectral properties of elements in different Banach algebras. Zbl 0761.46039 Grobler, J. J.; Raubenheimer, H. 14 1991 Fredholm theory relative to two Banach algebra homomorphisms. Zbl 0763.46035 Mouton, T.; Raubenheimer, H. 6 1991 Perturbation by inessential and Riesz elements. Zbl 0705.46022 Groenewald, L.; Harte, R. E.; Raubenheimer, H. 6 1989 A note on the singular and exponential spectrum in Banach algebras. Zbl 0673.46022 Groenewald, L.; Raubenheimer, H. 6 1988 r-asymptotically quasi-finite rank operators and the spectrum of measures. Zbl 0613.47036 Raubenheimer, Heinrich 4 1986 The o-spectrum of r-asymptotically quasi-finite-rank operators. Zbl 0586.47001 Raubenheimer, Heinrich 4 1984 Fredholm theory for operators in an operator ideal with a trace. I. Zbl 0498.47018 Grobler, J. J.; Raubenheimer, H.; van Eldik, P. 4 1982 all cited Publications top 5 cited Publications all top 5 Cited by 73 Authors 15 Mouton, Sonja 15 Raubenheimer, Heinrich 6 Benjamin, Ronalda 6 Brits, Rudi M. 6 Harte, Robin E. 5 Swartz, Andre 4 Alekhno, Egor Aleksandrovich 4 Grobler, Jacobus J. 4 Jiang, Lining 4 Kong, Yingying 3 Đorđević, Dragan S. 3 Herzog, Gerd 3 Muzundu, Kelvin 3 Ren, Yanxun 3 Schulz, Francois 3 Živković-Zlatanović, Snežana Č. 2 Ahmed, Aziz 2 Groenewald, L. 2 Laustsen, Niels Jakob 2 Lindeboom, Lenore 2 Salunke, Jagannath Nagorao 2 Schmoeger, Christoph 2 Walha, Ines 2 Zeng, Qingping 1 Abdmouleh, Faiçal 1 Aghasizadeh, T. 1 Baloudi, Hatem 1 Barki, Fatih 1 Berkani, Mohammed 1 Boasso, Enrico 1 Boudi, Nadia 1 Braatvedt, Gareth 1 Brešar, Matej 1 Burger, Isabella Cornelia 1 Charfi, Salma 1 Cvetković-Ilić, Dragana S. 1 Cvetković, Miloš D. 1 Drnovšek, Roman 1 Elleuch, Asrar 1 Flores, Julio Rolando 1 Förster, Karl-Heinz 1 Guiver, Chris 1 Hadder, Youness 1 Hassen, Muhammad 1 Hejazian, Shirin 1 Hernández-Garciadiego, Carlos 1 Hernández Rodriguez, Francisco L. 1 Ivković, Stefan G. 1 Kallus, Paul 1 Kandić, Marko 1 Khlif, Hassen 1 Klaja, Hubert 1 Liu, Cangyi 1 Lukoto, Tshikhudo 1 Mitrović, Zoran D. 1 Moslehian, Mohammad Sal 1 Mouton, Toit 1 Peperko, Aljoša 1 Ransford, Thomas J. 1 Reuter, Friedwart 1 Sanami, Abolfazl 1 Schep, Anton R. 1 Špenko, Špela 1 Stopar, Nik 1 Taghavi Jelodar, Ali 1 Tajmouati, Abdelaziz 1 Tradacete Pérez, Pedro 1 Van Appel, Jacques 1 Weigel, Herbert 1 Wu, Zhenying 1 Yan, Kai 1 Zhong, Huaijie 1 Zhu, Linhu all top 5 Cited in 34 Serials 15 Positivity 12 Quaestiones Mathematicae 8 Proceedings of the American Mathematical Society 7 Journal of Mathematical Analysis and Applications 6 Czechoslovak Mathematical Journal 3 Annals of Functional Analysis 2 Bulletin of the Australian Mathematical Society 2 Rocky Mountain Journal of Mathematics 2 Glasgow Mathematical Journal 2 Integral Equations and Operator Theory 2 Acta Mathematica Sinica. English Series 2 Mediterranean Journal of Mathematics 2 Afrika Matematika 1 Linear and Multilinear Algebra 1 Studia Mathematica 1 Colloquium Mathematicum 1 Illinois Journal of Mathematics 1 Journal of Functional Analysis 1 Journal of Pure and Applied Algebra 1 Mathematische Zeitschrift 1 Proceedings of the Edinburgh Mathematical Society. Series II 1 Extracta Mathematicae 1 Applied Mathematics Letters 1 Glasnik Matematički. Serija III 1 Linear Algebra and its Applications 1 Chinese Science Bulletin 1 Indagationes Mathematicae. New Series 1 Turkish Journal of Mathematics 1 Georgian Mathematical Journal 1 Nihonkai Mathematical Journal 1 Thai Journal of Mathematics 1 Banach Journal of Mathematical Analysis 1 Asian-European Journal of Mathematics 1 Open Mathematics all top 5 Cited in 11 Fields 67 Functional analysis (46-XX) 64 Operator theory (47-XX) 9 Order, lattices, ordered algebraic structures (06-XX) 5 Associative rings and algebras (16-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 2 General topology (54-XX) 1 Commutative algebra (13-XX) 1 Ordinary differential equations (34-XX) 1 Abstract harmonic analysis (43-XX) 1 Algebraic topology (55-XX) 1 Probability theory and stochastic processes (60-XX) Citations by Year