×
Compute Distance To:
Author ID: radjavi.heydar Recent zbMATH articles by "Radjavi, Heydar"
Published as: Radjavi, Heydar; Radjavi, H.; Radjavi, Haydar
Homepage: https://uwaterloo.ca/pure-mathematics/people-profiles/heydar-radjavi
External Links: MGP · dblp · GND
Member of Collectives: Honor, R. B.; Semitransitivity Working Group at LAW’05
Documents Indexed: 220 Publications since 1962, including 3 Books
2 Further Contributions
Biographic References: 2 Publications
Co-Authors: 68 Co-Authors with 194 Joint Publications
1,238 Co-Co-Authors
all top 5

Co-Authors

28 single-authored
61 Rosenthal, Peter
31 Omladič, Matjaž
27 MacDonald, Gordon Wilson
27 Nordgren, Eric A.
24 Marcoux, Laurent W.
22 Livshits, Leo
18 Radjabalipour, Mehdi
15 Mastnak, Mitja
13 Bernik, Janez
11 Drnovšek, Roman
10 Hadwin, Donald W.
10 Košir, Tomaž
9 Grunenfelder, Luzius
9 Mathes, Ben
9 Popov, Alexey I.
8 Laurie, Cecelia
7 Šemrl, Peter
7 Sourour, Ahmed Ramzi
7 Yahaghi, Bamdad R.
6 Choi, Man-Duen
6 Fong, Che-Kao
6 Jafarian, Ali A.
5 Behzad, Mehdi
5 Troitsky, Vladimir G.
4 Fillmore, Peter A.
4 Kokol-Bukovšek, Damjana
4 Longstaff, William Ellison
3 Davidson, Kenneth R.
3 Laffey, Thomas J.
3 Tan, Kok-Keong
3 Zhang, Yuanhang
2 Hladnik, Milan
2 Hou, Jinchuan
2 Levene, Rupert Howard
2 Okniński, Jan
2 Tam, Pingkwan
1 Aghamollaei, Gholamreza
1 Akbari, Saieed
1 Cigler, Grega
1 Cramer, Zachary
1 Davis, Chandler
1 Edelstein, Michael
1 Gessesse, Hailegebriel E.
1 Guralnick, Robert Michael
1 Gustafson, William H.
1 Halmos, Paul Richard
1 Harrison, Kenneth John
1 Holbrook, John A. R.
1 Jaffarian, Ali
1 Katavolos, Aristides
1 Kennedy, Matthew
1 Khalkhali, Masoud
1 Kramar Fijavž, Marjeta
1 Kuzma, Bojan
1 Lambrou, Michael S.
1 Lomonosov, Victor I.
1 Lu, James J.
1 Lumer, Gunter
1 Meshulam, Roy
1 Mohebi, Hossein
1 Müller, Vladimír
1 Murphy, Gerard J.
1 Murray, Neil V.
1 Paré, Robert
1 Rosenthal, Erik J.
1 Sastri, Chelluri C. A.
1 Semitransitivity Working Group at LAW’05
1 Shul’man, Viktor Semënovich
1 Šivic, Klemen
1 Spinu, Eugeniu
1 Tcaciuc, Adi
1 The Hadwin Lunch Bunch
1 Timoney, Richard Martin
1 Williams, James P.
1 Williamson, Peter
all top 5

Serials

29 Linear Algebra and its Applications
17 Proceedings of the American Mathematical Society
16 Linear and Multilinear Algebra
14 Semigroup Forum
12 Studia Mathematica
11 Indiana University Mathematics Journal
11 Journal of Functional Analysis
8 Canadian Journal of Mathematics
8 Journal of Operator Theory
6 Acta Scientiarum Mathematicarum
6 Integral Equations and Operator Theory
6 Journal of the London Mathematical Society. Second Series
6 Mathematische Annalen
6 Positivity
4 Transactions of the American Mathematical Society
4 Operators and Matrices
3 Journal of Mathematical Analysis and Applications
3 Journal of Pure and Applied Algebra
3 Michigan Mathematical Journal
3 Pacific Journal of Mathematics
2 Communications in Algebra
2 Israel Journal of Mathematics
2 American Journal of Mathematics
2 Journal of Algebra
2 ELA. The Electronic Journal of Linear Algebra
1 Houston Journal of Mathematics
1 Obzornik za Matematiko in Fiziko
1 Revue Roumaine de Mathématiques Pures et Appliquées
1 The Mathematical Intelligencer
1 Acta Mathematica Sinica
1 Archiv der Mathematik
1 Bulletin of the London Mathematical Society
1 Duke Mathematical Journal
1 Geometriae Dedicata
1 Illinois Journal of Mathematics
1 Journal of Combinatorial Theory. Series B
1 Journal für die Reine und Angewandte Mathematik
1 Publicationes Mathematicae
1 Statistics & Probability Letters
1 Journal of Natural Geometry
1 Proceedings of the Royal Irish Academy. Section A, Mathematical and Physical Sciences
1 Expositiones Mathematicae
1 Taiwanese Journal of Mathematics
1 Acta Mathematica Sinica. English Series
1 Journal of Algebra and its Applications
1 Bulletin of the American Mathematical Society
1 Journal of the London Mathematical Society
1 Journal of Mathematics and Mechanics
1 Ergebnisse der Mathematik und ihrer Grenzgebiete
1 Ars Mathematica Contemporanea
1 Universitext

Publications by Year

Citations contained in zbMATH Open

178 Publications have been cited 1,452 times in 956 Documents Cited by Year
Invariant subspaces. Zbl 0269.47003
Radjavi, Heydar; Rosenthal, Peter
186
1973
Simultaneous triangularization. Zbl 0981.15007
Radjavi, Heydar; Rosenthal, Peter
135
2000
Linear maps preserving commutativity. Zbl 0615.15004
Choi, M. D.; Jafarian, A. A.; Radjavi, H.
57
1987
Products of involutions. Zbl 0325.15009
Gustafson, W. H.; Halmos, P. R.; Radjavi, H.
53
1976
Invariant subspaces. 2nd ed. Zbl 1043.47001
Radjavi, Heydar; Rosenthal, Peter
48
2003
On the diameters of commuting graphs. Zbl 1107.05056
Akbari, S.; Mohammadian, A.; Radjavi, H.; Raja, P.
43
2006
Products of self-adjoint operators. Zbl 0182.45904
Radjavi, Heydar; Williams, James P.
30
1969
Local multiplications on algebras spanned by idempotents. Zbl 0844.46029
The Hadwin Lunch Bunch
26
1994
A trace condition equivalent to simultaneous triangularizability. Zbl 0577.47018
Radjavi, Heydar
26
1986
Linear spaces of nilpotent matrices. Zbl 0722.15016
Mathes, Ben; Omladič, Matjaž; Radjavi, Heydar
25
1991
On roots of normal operators. Zbl 0215.48705
Radjavi, H.; Rosenthal, P.
23
1971
On invariant subspaces and reflexive algebras. Zbl 0187.06201
Radjavi, Heydar; Rosenthal, Peter
23
1969
Commutativity-preserving operators on symmetric matrices. Zbl 0547.15007
Radjavi, Heydar
18
1984
On positive linear maps preserving invertibility. Zbl 0551.46040
Choi, M.-D.; Hadwin, D.; Nordgren, E.; Radjavi, H.; Rosenthal, P.
16
1984
Preserving commutativity. Zbl 0973.15002
Omladič, Matjaž; Radjavi, Heydar; Šemrl, Peter
15
2001
On matrix spaces with zero determinant. Zbl 0592.15008
Fillmore, P.; Laurie, C.; Radjavi, H.
15
1985
From local to global triangularization. Zbl 0902.47019
Radjavi, Heydar; Rosenthal, Peter
14
1997
Structure of \(A^*A - AA^*\). Zbl 0143.16201
Radjavi, H.
14
1966
On invariant operator ranges. Zbl 0412.47003
Nordgren, E.; Radjabalipour, M.; Radjavi, H.; Rosenthal, P.
13
1979
An operator not satisfying Lomonosov’s hypothesis. Zbl 0451.47003
Hadwin, D. W.; Nordgren, E. A.; Radjavi, Heydar; Rosenthal, Peter
13
1980
A sufficient condition that an operator algebra be self-adjoint. Zbl 0218.46063
Radjavi, H.; Rosenthal, P.
13
1971
The Engel-Jacobson theorem revisited. Zbl 0645.15010
Radjavi, Heydar
13
1987
Limitations on the size of semigroups of matrices. Zbl 1140.15014
Radjavi, Heydar; Rosenthal, Peter
12
2008
Products of Hermitian matrices and symmetries. Zbl 0175.30703
Radjavi, H.
12
1969
A nil algebra of bounded operators on Hilbert space with semisimple norm closure. Zbl 0631.47034
Hadwin, Donald; Nordgren, Eric; Radjabalipour, Mehdi; Radjavi, Heydar; Rosenthal, Peter
12
1986
Triangularizing semigroups of compact operators. Zbl 0579.47041
Nordgren, Eric; Radjavi, Heydar; Rosenthal, Peter
12
1984
Nonlinear maps preserving solvability. Zbl 1068.17007
Radjavi, Heydar; Šemrl, Peter
11
2004
On almost-invariant subspaces and approximate commutation. Zbl 1288.47008
Marcoux, Laurent W.; Popov, Alexey I.; Radjavi, Heydar
11
2013
A finiteness lemma, Brauer’s theorem and other irreducibility results. Zbl 0920.20058
Radjabalipour, M.; Radjavi, H.
10
1999
Spectral conditions and reducibility of operator semigroups. Zbl 0766.47010
Lambrou, M.; Longstaff, W. E.; Radjavi, H.
10
1992
Most similarity orbits are strongly dense. Zbl 0431.47010
Hadwin, D. W.; Nordgren, E. A.; Radjavi, Heydar; Rosenthal, Peter
10
1979
A transitive medial subspace lattice. Zbl 0211.44402
Harrison, K. J.; Radjavi, H.; Rosenthal, P.
10
1971
On density of transitive algebras. Zbl 0184.15905
Nordgren, E. A.; Radjavi, H.; Rosenthal, P.
10
1969
Matrices for operators and generators of \(B(H)\). Zbl 0197.10801
Radjavi, H.; Rosenthal, P.
10
1970
On the reduction and triangularization of semigroups of operators. Zbl 0581.47026
Radjavi, Heydar
10
1985
On the geometry of numerical ranges. Zbl 0323.47004
Radjabalipour, Mehdi; Radjavi, Heydar
9
1975
Decomposition of matrices into simple involutions. Zbl 0307.15001
Radjavi, Heydar
9
1975
The group generated by involutions. Zbl 0431.47001
Radjavi, H.
9
1981
Hyperinvariant subspaces for spectral and n-normal operators. Zbl 0229.47004
Radjavi, Heydar; Rosenthal, Peter
9
1971
On the congruence numerical range and related functions of matrices. Zbl 0641.15012
Choi, M. D.; Laurie, C.; Radjavi, H.; Rosenthal, P.
9
1987
Triangularizing semigroups of quasinilpotent operators with non-negative entries. Zbl 0818.47035
Choi, M.-D.; Nordgren, E. A.; Radjavi, H.; Rosenthal, P.; Zhong, Y.
8
1993
On semigroups of matrices with traces in a subfield. Zbl 0817.20064
Omladič, M.; Radjabalipour, M.; Radjavi, H.
8
1994
Irreducible semigroups with multiplicative spectral radius. Zbl 0937.47043
Omladič, Matjaž; Radjavi, Heydar
8
1997
The total group of a graph. Zbl 0175.20805
Behzad, M.; Radjavi, H.
8
1968
An irreducible semigroup of non-negative square-zero operators. Zbl 1011.47004
Drnovšek, R.; Kokol-Bukovšek, D.; Livshits, L.; MacDonald, G.; Omladič, M.; Radjavi, H.
8
2002
Semigroups of partial isometries. Zbl 1349.47068
Popov, Alexey I.; Radjavi, Heydar
8
2013
On compactness of the best approximant set. Zbl 1005.46008
Mohebi, H.; Radjavi, H.
7
2002
Sesquitransitive and localizing operator algebras. Zbl 1143.47006
Lomonosov, Victor I.; Radjavi, Heydar; Troitsky, Vladimir G.
7
2008
Structure of regular total graphs. Zbl 0167.52104
Behzad, M.; Radjavi, H.
7
1969
The set of irreducible operators is dense. Zbl 0182.45902
Radjavi, H.; Rosenthal, P.
7
1969
Orbit-reflexive operators. Zbl 0624.47002
Hadwin, Don; Nordgren, Eric; Radjavi, Heydar; Rosenthal, Peter
7
1986
Norms for matrices and operators. Zbl 0661.47010
Fong, C. K.; Radjavi, Heydar; Rosenthal, Peter
7
1987
On commutators of idempotents. Zbl 1008.47039
Radjavi, Heydar; Rosenthal, Peter
6
2002
The Perron-Frobenius theorem revisited. Zbl 0941.15019
Radjavi, Heydar
6
1999
Sums of idempotents. Zbl 0806.15016
Laurie, C.; Mathes, B.; Radjavi, H.
6
1994
Principal-ideal bands. Zbl 0938.20044
Fillmore, P.; MacDonald, G.; Radjabalipour, M.; Radjavi, H.
6
1999
Transitive spaces of operators. Zbl 1155.47058
Davidson, Kenneth R.; Marcoux, Laurent W.; Radjavi, Heydar
6
2008
On triangularization of algebras of operators. Zbl 0465.47010
Laurie, C.; Nordgren, E.; Radjavi, H.; Rosenthal, P.
6
1981
On ideals and Lie ideals of compact operators. Zbl 0507.47028
Fong, C. K.; Radjavi, H.
6
1983
On a commutator theorem of Robert C. Thompson. Zbl 0548.15010
Grunenfelder, L.; Paré, R.; Radjavi, H.
6
1984
On semitransitive collections of operators. Zbl 1082.15027
Bernik, J.; Grunenfelder, L.; Mastnak, M.; Radjavi, H.; Troitsky, V. G.
6
2005
A short proof of Hua’s fundamental theorem of the geometry of Hermitian matrices. Zbl 1036.15002
Radjavi, Heydar; Šemrl, Peter
6
2003
Linear maps preserving quasi-commutativity. Zbl 1183.15028
Radjavi, Heydar; Šemrl, Peter
6
2008
On transitive and reductive operator algebras. Zbl 0265.46071
Radjavi, Heydar; Rosenthal, Peter
6
1974
Invariant subspace and weakly closed algebras. Zbl 0167.43302
Radjavi, H.; Rosenthal, P.
6
1968
On unitary equivalence of arbitrary matrices. Zbl 0103.25103
Radjavi, Heydar
6
1962
Simultaneous triangularization of operators on a Banach space. Zbl 0665.47016
Katavolos, A.; Radjavi, H.
6
1990
On simultaneous triangularization of collections of operators. Zbl 0784.47032
Hadwin, D.; Nordgren, E.; Radjabalipour, M.; Radjavi, H.; Rosenthal, P.
5
1991
Towards a classification of maximal unicellular bands. Zbl 0811.20061
Fillmore, P.; MacDonald, G.; Radjabalipour, M.; Radjavi, H.
5
1994
Permutability of characters on algebras. Zbl 0891.16023
Grunenfelder, L.; Guralnick, R.; Košir, T.; Radjavi, H.
5
1997
On permutability and submultiplicativity of spectral radius. Zbl 0844.47003
Longstaff, W. E.; Radjavi, H.
5
1995
Operator algebras leaving compact operator ranges invariant. Zbl 0364.47009
Nordgren, Eric; Radjavi, Heydar; Rosenthal, Peter
5
1977
Positivity and matrix semigroups. Zbl 1211.15026
Bernik, Janez; Mastnak, Mitja; Radjavi, Heydar
5
2011
On commutators and invariant subspaces. Zbl 0455.15011
Choi, M.-D.; Laurie, C.; Radjavi, H.
5
1981
Isomorphisms of transitive operator algebras. Zbl 0288.46065
Radjavi, Heydar
5
1974
On the topological stable rank of non-selfadjoint operator algebras. Zbl 1147.46030
Davidson, K. R.; Levene, R. H.; Marcoux, L. W.; Radjavi, H.
5
2008
Extensions of Lomonosov’s invariant subspace theorem. Zbl 0413.47004
Fong, C. K.; Nordgren, E. A.; Radjabalipour, M.; Radjavi, H.; Rosenthal, P.
5
1979
Semitransitive spaces of operators. Zbl 1156.47057
Radjavi, Heydar; Troitsky, Vladimir G.
5
2009
Structure of finite, minimal nonabelian groups and triangularization. Zbl 1175.20007
Mastnak, Mitja; Radjavi, Heydar
5
2009
On operator algebras and invariant subspaces. Zbl 0186.45301
Davis, Chandler; Radjavi, H.; Rosenthal, P.
5
1969
On semitransitive Jordan algebras of matrices. Zbl 1254.17027
Bernik, J.; Drnovšek, R.; Kokol Bukovšek, D.; Košir, T.; Omladič, M.; Radjavi, H.
5
2011
Invariant subspaces for semigroups of algebraic operators. Zbl 0921.47007
Cigler, Grega; Drnovšek, Roman; Kokol-Bukovšek, Damjana; Omladič, Matjaž; Laffey, Thomas J.; Radjavi, Heydar; Rosenthal, Peter
4
1998
Sublinearity and other spectral conditions on a semigroup. Zbl 0957.47008
Radjavi, Heydar
4
2000
Homomorphisms from \({\mathbb {C}}^{*}\) into \(GL_n(\mathbb C)\). Zbl 0964.39024
Omladič, Matjaž; Radjavi, Heydar; Šemrl, Peter
4
1999
A geometric equivalent of the invariant subspace problem. Zbl 0348.47002
Nordgren, Eric A.; Radjavi, Heydar; Rosenthal, Peter
4
1977
On reducibility of semigroups of compact operators. Zbl 0770.47010
Radjavi, Heydar
4
1990
On reducibility of semigroups of compact operators. Zbl 0691.47034
Radjavi, Heydar
4
1990
Spectral conditions and band reducibility of operators. Zbl 1259.47050
Bernik, J.; Marcoux, L. W.; Radjavi, H.
4
2012
Invariant subspaces for products of Hermitian operators. Zbl 0283.47003
Radjavi, Heydar; Rosenthal, Peter
4
1974
Hilbert space operators with compatible off-diagonal corners. Zbl 06879847
Livshits, L.; MacDonald, G.; Marcoux, L. W.; Radjavi, H.
4
2018
Polynomial conditions on operator semigroups. Zbl 1119.47302
Radjavi, Heydar
4
2005
Every operator is the sum of two irreducible ones. Zbl 0182.45903
Radjavi, H.
4
1969
Boundedness stability properties of linear and affine operators. Zbl 0914.47023
Edelstein, Michael; Radjavi, Heydar; Tan, Kok-Keong
3
1998
Idempotent completions of partial operator matrices. Zbl 1034.47500
Hou, Jinchuan; Radjavi, Heydar; Rosenthal, Peter
3
1999
Operator semigroups with quasinilpotent commutators. Zbl 1099.47503
Radjavi, Heydar; Rosenthal, Peter; Shulman, Victor
3
2000
Jordan analogs of the Burnside and Jacobson density theorems. Zbl 0811.46052
Grunenfelder, L.; Omladič, M.; Radjavi, H.
3
1993
Semigroups generated by similarity orbits. Zbl 0988.20054
Grunenfelder, L.; Omladic, M.; Radjavi, H.; Sourour, A.
3
2001
On operators with reducing invariant subspaces. Zbl 0344.47003
Nordgren, Eric; Radjavi, Heydar; Rosenthal, Peter
3
1975
Algebras intertwining compact operators. Zbl 0355.47010
Nordgren, E.; Radjabalipour, M.; Radjavi, H.; Rosenthal, P.
3
1977
Irreducible semigroups of matrices with eigenvalue one. Zbl 1053.15010
Bernik, J.; Drnovšek, R.; Košir, T.; Omladič, M.; Radjavi, H.
3
2003
Normal operators with highly incompatible off-diagonal corners. Zbl 07282482
Marcoux, Laurent W.; Radjavi, Heydar; Zhang, Yuanhang
2
2021
Matrix algebras with a certain compression property. I. Zbl 1462.15016
Cramer, Zachary; Marcoux, Laurent W.; Radjavi, Heydar
1
2021
Off-diagonal corners of subalgebras of \(\mathcal{L}(\mathbb{C}^n)\). Zbl 1469.15022
Marcoux, Laurent W.; Radjavi, Heydar; Zhang, Yuanhang
2
2020
A note on Mirsky’s theorem. Zbl 1448.15044
Hadwin, Don; Radjavi, Heydar
1
2020
Linear preservers of polynomial numerical hulls of matrices. Zbl 1416.15021
Aghamollaei, Gh.; Marcoux, L. W.; Radjavi, H.
2
2019
Hilbert space operators with compatible off-diagonal corners. Zbl 06879847
Livshits, L.; MacDonald, G.; Marcoux, L. W.; Radjavi, H.
4
2018
Invariant and almost-invariant subspaces for pairs of idempotents. Zbl 1384.47001
Bernik, Janez; Radjavi, Heydar
2
2016
On selfadjoint extensions of semigroups of partial isometries. Zbl 1345.47018
Bernik, Janez; Marcoux, Laurent W.; Popov, Alexey I.; Radjavi, Heydar
1
2016
Ranges of vector states on irreducible operator semigroups. Zbl 1359.47036
Marcoux, L. W.; Omladič, M.; Popov, Alexey I.; Radjavi, H.; Yahaghi, B. R.
1
2016
A spatial version of Wedderburn’s principal theorem. Zbl 1373.15028
Livshits, L.; MacDonald, G. W.; Marcoux, L. W.; Radjavi, H.
3
2015
A theorem of Kaplansky revisited. Zbl 1327.15037
Radjavi, Heydar; Yahaghi, Bamdad R.
2
2015
A simultaneous Wielandt positivity theorem. Zbl 1328.15019
Macdonald, Gordon; Radjavi, Heydar
1
2015
Commutators of small rank and reducibility of operator semigroups. Zbl 1307.47041
Jafarian, Ali; Popov, Alexey I.; Radjabalipour, Mehdi; Radjavi, Heydar
1
2014
On almost-invariant subspaces and approximate commutation. Zbl 1288.47008
Marcoux, Laurent W.; Popov, Alexey I.; Radjavi, Heydar
11
2013
Semigroups of partial isometries. Zbl 1349.47068
Popov, Alexey I.; Radjavi, Heydar
8
2013
Paratransitive algebras of linear operators. I. Zbl 1285.47010
Livshits, L.; MacDonald, G.; Marcoux, L. W.; Radjavi, H.
2
2013
Paratransitive algebras of linear operators. II. Zbl 1285.47011
Livshits, L.; MacDonald, G.; Marcoux, L. W.; Radjavi, H.
1
2013
Multiplicative maps that are close to an automorphism on algebras of linear transformations. Zbl 1279.15007
Marcoux, L. W.; Radjavi, H.; Sourour, A. R.
1
2013
Spectral conditions and band reducibility of operators. Zbl 1259.47050
Bernik, J.; Marcoux, L. W.; Radjavi, H.
4
2012
On irreducible algebras spanned by triangularizable matrices. Zbl 1236.15040
Radjavi, Heydar; Yahaghi, Bamdad R.
3
2012
Finite groups with submultiplicative spectra. Zbl 1256.20004
Grunenfelder, L.; Košir, T.; Omladič, M.; Radjavi, H.
2
2012
Self-adjoint semigroups with nilpotent commutators. Zbl 1236.15039
Omladič, Matjaž; Radjavi, Heydar
2
2012
Positivity and matrix semigroups. Zbl 1211.15026
Bernik, Janez; Mastnak, Mitja; Radjavi, Heydar
5
2011
On semitransitive Jordan algebras of matrices. Zbl 1254.17027
Bernik, J.; Drnovšek, R.; Kokol Bukovšek, D.; Košir, T.; Omladič, M.; Radjavi, H.
5
2011
Nonnegative matrix semigroups with finite diagonals. Zbl 1210.15037
Popov, Alexey I.; Radjavi, Heydar; Williamson, Peter
3
2011
Positive matrix semigroups with binary diagonals. Zbl 1235.15018
Livshits, L.; MacDonald, G.; Radjavi, H.
3
2011
Universal bounds for matrix semigroups. Zbl 1220.15016
Livshits, Leo; Macdonald, Gordon; Radjavi, Heydar
1
2011
Multiplicative diagonals of matrix semigroups. Zbl 1223.15023
Livshits, L.; Macdonald, G.; Radjavi, H.
1
2011
Bounded indecomposable semigroups of non-negative matrices. Zbl 1204.15041
Gessesse, Hailegebriel; Popov, Alexey I.; Radjavi, Heydar; Spinu, Eugeniu; Tcaciuc, Adi; Troitsky, Vladimir G.
3
2010
Reducibility of semigroups and nilpotent commutators with idempotents of rank two. Zbl 1195.15018
Omladič, Matjaž; Radjavi, Heydar
2
2010
Paul Halmos and invariant subspaces. Zbl 1217.47003
Radjavi, Heydar; Rosenthal, Peter
2
2010
Semitransitive spaces of operators. Zbl 1156.47057
Radjavi, Heydar; Troitsky, Vladimir G.
5
2009
Structure of finite, minimal nonabelian groups and triangularization. Zbl 1175.20007
Mastnak, Mitja; Radjavi, Heydar
5
2009
Nilpotent commutators and reducibility of semigroups. Zbl 1171.15016
Omladič, Matjaž; Radjavi, Heydar
2
2009
Spectral conditions on Lie and Jordan algebras of compact operators. Zbl 1169.47059
Kennedy, Matthew; Radjavi, Heydar
2
2009
Triangularizability of operators with increasing spectrum. Zbl 1200.47011
Marcoux, L. W.; Mastnak, M.; Radjavi, H.
1
2009
Limitations on the size of semigroups of matrices. Zbl 1140.15014
Radjavi, Heydar; Rosenthal, Peter
12
2008
Sesquitransitive and localizing operator algebras. Zbl 1143.47006
Lomonosov, Victor I.; Radjavi, Heydar; Troitsky, Vladimir G.
7
2008
Transitive spaces of operators. Zbl 1155.47058
Davidson, Kenneth R.; Marcoux, Laurent W.; Radjavi, Heydar
6
2008
Linear maps preserving quasi-commutativity. Zbl 1183.15028
Radjavi, Heydar; Šemrl, Peter
6
2008
On the topological stable rank of non-selfadjoint operator algebras. Zbl 1147.46030
Davidson, K. R.; Levene, R. H.; Marcoux, L. W.; Radjavi, H.
5
2008
Erratum: On the topological stable rank of non-selfadjoint operator algebras [Math. Ann. 341, No. 2, 239–253 (2008)]. Zbl 1142.46323
Davidson, K. R.; Levene, R. H.; Marcoux, L. W.; Radjavi, H.
3
2008
Realizing irreducible semigroups and real algebras of compact operators. Zbl 1153.47026
Bernik, Janez; Mastnak, Mitja; Radjavi, Heydar
3
2008
Invariant sublattices. Zbl 1187.47009
Radjavi, Heydar; Troitsky, Vladimir G.
1
2008
Approximate permutability of traces on semigroups of matrices. Zbl 1144.15008
Bernik, Janez; Drnovšek, Roman; Košir, Tomaž; Livshits, Leo; Mastnak, Mitja; Omladič, Matjaž; Radjavi, Heydar
2
2007
Topological transitive matrix semigroups. Zbl 1144.47034
Livshits, Leo; MacDonald, Gordon; Radjavi, Heydar
1
2007
An approximate, multivariable version of Specht’s theorem. Zbl 1115.15009
Marcoux, L. W.; Mastnak, M.; Radjavi, H.
1
2007
The semigroup generated by a unitary orbit of a singular matrix. Zbl 1128.15007
Radjavi, H.; Sourour, A. R.
1
2007
On the diameters of commuting graphs. Zbl 1107.05056
Akbari, S.; Mohammadian, A.; Radjavi, H.; Raja, P.
43
2006
Semitransitive subspaces of matrices. Zbl 1142.15303
Semitransitivity Working Group at LAW’05, Bled
2
2006
On semitransitive collections of operators. Zbl 1082.15027
Bernik, J.; Grunenfelder, L.; Mastnak, M.; Radjavi, H.; Troitsky, V. G.
6
2005
Polynomial conditions on operator semigroups. Zbl 1119.47302
Radjavi, Heydar
4
2005
Standard triangularization of semigroups of non-negative operators. Zbl 1066.47040
MacDonald, Gordon; Radjavi, Heydar
3
2005
How small can nonzero commutators be? Zbl 1078.15013
Bernik, Janez; Radjavi, Heydar
2
2005
Transitive action of Lie algebras. Zbl 1137.17310
Grunenfelder, L.; Omladič, M.; Radjavi, H.
1
2005
Nonlinear maps preserving solvability. Zbl 1068.17007
Radjavi, Heydar; Šemrl, Peter
11
2004
On rings of matrices over division rings. Zbl 1056.15017
Radjabalipour, Mehdi; Radjavi, Heydar
2
2004
Invariant subspaces. 2nd ed. Zbl 1043.47001
Radjavi, Heydar; Rosenthal, Peter
48
2003
A short proof of Hua’s fundamental theorem of the geometry of Hermitian matrices. Zbl 1036.15002
Radjavi, Heydar; Šemrl, Peter
6
2003
Irreducible semigroups of matrices with eigenvalue one. Zbl 1053.15010
Bernik, J.; Drnovšek, R.; Košir, T.; Omladič, M.; Radjavi, H.
3
2003
Trace-preserving homomorphisms of semigroups. Zbl 1051.47030
Hladnik, Milan; Omladič, Matjaž; Radjavi, Heydar
2
2003
Matrix semigroups with commutable rank. Zbl 1049.20037
Livshits, L.; MacDonald, G.; Mathes, B.; Okniński, J.; Radjavi, H.
1
2003
Mean ergodicity for compact operators. Zbl 1064.47017
Radjavi, Heydar; Tam, Ping-Kwan; Tan, Kok-Keong
1
2003
An irreducible semigroup of non-negative square-zero operators. Zbl 1011.47004
Drnovšek, R.; Kokol-Bukovšek, D.; Livshits, L.; MacDonald, G.; Omladič, M.; Radjavi, H.
8
2002
On compactness of the best approximant set. Zbl 1005.46008
Mohebi, H.; Radjavi, H.
7
2002
On commutators of idempotents. Zbl 1008.47039
Radjavi, Heydar; Rosenthal, Peter
6
2002
A characterization of commutators of idempotents. Zbl 1018.47027
Drnovšek, Roman; Radjavi, Heydar; Rosenthal, Peter
2
2002
Intersections of nest algebras in finite dimensions. Zbl 1010.47045
Fillmore, P. A.; Longstaff, W. E.; MacDonald, G. W.; Radjavi, H.; Zhong, Y.
1
2002
Maximal Jordan algebras of matrices with bounded number of eigenvalues. Zbl 1017.17030
Grunenfelder, L.; Košir, T.; Omladič, M.; Radjavi, H.
1
2002
Inference for annotated logics over distributive lattices. Zbl 1049.68121
Lu, James J.; Murray, Neil V.; Radjavi, Heydar; Rosenthal, Erik; Rosenthal, Peter
1
2002
Preserving commutativity. Zbl 0973.15002
Omladič, Matjaž; Radjavi, Heydar; Šemrl, Peter
15
2001
Semigroups generated by similarity orbits. Zbl 0988.20054
Grunenfelder, L.; Omladic, M.; Radjavi, H.; Sourour, A.
3
2001
Products of roots of the identity. Zbl 0967.47010
Hladnik, M.; Omladic, M.; Radjavi, H.
2
2001
Inequalities for products of spectral radii. Zbl 0989.47005
Omladic, M.; Radjavi, H.; Rosenthal, P.; Sourour, A.
1
2001
Simultaneous triangularization. Zbl 0981.15007
Radjavi, Heydar; Rosenthal, Peter
135
2000
Sublinearity and other spectral conditions on a semigroup. Zbl 0957.47008
Radjavi, Heydar
4
2000
Operator semigroups with quasinilpotent commutators. Zbl 1099.47503
Radjavi, Heydar; Rosenthal, Peter; Shulman, Victor
3
2000
On transitive linear semigroups. Zbl 0970.47024
Drnovšek, R.; Livshits, L.; MacDonald, G.; Mathes, B.; Radjavi, H.; Semrl, P.
1
2000
A finiteness lemma, Brauer’s theorem and other irreducibility results. Zbl 0920.20058
Radjabalipour, M.; Radjavi, H.
10
1999
The Perron-Frobenius theorem revisited. Zbl 0941.15019
Radjavi, Heydar
6
1999
Principal-ideal bands. Zbl 0938.20044
Fillmore, P.; MacDonald, G.; Radjabalipour, M.; Radjavi, H.
6
1999
Homomorphisms from \({\mathbb {C}}^{*}\) into \(GL_n(\mathbb C)\). Zbl 0964.39024
Omladič, Matjaž; Radjavi, Heydar; Šemrl, Peter
4
1999
Idempotent completions of partial operator matrices. Zbl 1034.47500
Hou, Jinchuan; Radjavi, Heydar; Rosenthal, Peter
3
1999
On groups generated by elements of prime order. Zbl 0934.15013
Grunenfelder, L.; Košir, T.; Omladič, M.; Radjavi, H.
1
1999
Idempotent completions of operator partial matrices. Zbl 0934.47004
Hou, Jinchuan; Radjavi, Heydar; Rosenthal, Peter
1
1999
Invariant subspaces for semigroups of algebraic operators. Zbl 0921.47007
Cigler, Grega; Drnovšek, Roman; Kokol-Bukovšek, Damjana; Omladič, Matjaž; Laffey, Thomas J.; Radjavi, Heydar; Rosenthal, Peter
4
1998
Boundedness stability properties of linear and affine operators. Zbl 0914.47023
Edelstein, Michael; Radjavi, Heydar; Tan, Kok-Keong
3
1998
Reducible semigroups of idempotent operators. Zbl 0995.47002
Livshits, L.; MacDonald, G.; Mathes, B.; Radjavi, H.
1
1998
From local to global triangularization. Zbl 0902.47019
Radjavi, Heydar; Rosenthal, Peter
14
1997
Irreducible semigroups with multiplicative spectral radius. Zbl 0937.47043
Omladič, Matjaž; Radjavi, Heydar
8
1997
Permutability of characters on algebras. Zbl 0891.16023
Grunenfelder, L.; Guralnick, R.; Košir, T.; Radjavi, H.
5
1997
Invariant subspaces and spectral conditions on operator semigroups. Zbl 0931.47006
Radjavi, Heydar
2
1997
On permutability and submultiplicativity of spectral radius. Zbl 0844.47003
Longstaff, W. E.; Radjavi, H.
5
1995
Simultaneous triangularizability, near commutativity and Rota’s theorem. Zbl 0834.47014
Jafarian, A. A.; Radjavi, H.; Rosenthal, P.; Sourour, A. R.
1
1995
Local multiplications on algebras spanned by idempotents. Zbl 0844.46029
The Hadwin Lunch Bunch
26
1994
On semigroups of matrices with traces in a subfield. Zbl 0817.20064
Omladič, M.; Radjabalipour, M.; Radjavi, H.
8
1994
Sums of idempotents. Zbl 0806.15016
Laurie, C.; Mathes, B.; Radjavi, H.
6
1994
Towards a classification of maximal unicellular bands. Zbl 0811.20061
Fillmore, P.; MacDonald, G.; Radjabalipour, M.; Radjavi, H.
5
1994
Triangularizing semigroups of quasinilpotent operators with non-negative entries. Zbl 0818.47035
Choi, M.-D.; Nordgren, E. A.; Radjavi, H.; Rosenthal, P.; Zhong, Y.
8
1993
Jordan analogs of the Burnside and Jacobson density theorems. Zbl 0811.46052
Grunenfelder, L.; Omladič, M.; Radjavi, H.
3
1993
...and 78 more Documents
all top 5

Cited by 860 Authors

92 Radjavi, Heydar
31 Rosenthal, Peter
29 Omladič, Matjaž
21 Drnovšek, Roman
20 MacDonald, Gordon Wilson
20 Šemrl, Peter
19 Marcoux, Laurent W.
17 Livshits, Leo
16 Hou, Jinchuan
16 Radjabalipour, Mehdi
16 Shul’man, Viktor Semënovich
15 Bernik, Janez
15 de Seguins Pazzis, Clément
14 Popov, Alexey I.
14 Sourour, Ahmed Ramzi
13 Kokol-Bukovšek, Damjana
13 Mastnak, Mitja
13 Yahaghi, Bamdad R.
12 Longstaff, William Ellison
11 Ko, Eungil
10 Kandić, Marko
10 Wu, Peiyuan
9 Hadwin, Donald W.
9 Košir, Tomaž
9 Kuzma, Bojan
9 Molnár, Lajos
8 Cigler, Grega
8 Feintuch, Avraham
8 Nordgren, Eric A.
8 Wang, Dengyin
7 Brešar, Matej
7 Chebotar, Mikhail A.
7 Fong, Che-Kao
7 Gallardo-Gutiérrez, Eva Antonia
7 Kissin, Edward V.
7 Li, Chi-Kwong
7 Nath, Rajat Kanti
7 Taghavi Jelodar, Ali
7 Turovskii, Yuri V.
7 Zhang, Yuanhang
6 Corach, Gustavo
6 Cowen, Carl C.
6 Cvetko-Vah, Karin
6 Dolinar, Gregor
6 Herrero, Domingo Antonio
6 Jafarian, Ali A.
6 Lacruz, Miguel
6 Ong, Sing-Cheong
6 Troitsky, Vladimir G.
5 Akbari, Saieed
5 Choi, Man-Duen
5 Gau, Hwa-Long
5 Guterman, Alexander Èmilevich
5 Kittaneh, Fuad
5 Lomonosov, Victor I.
5 Müller, Vladimír
5 Tcaciuc, Adi
5 Wang, Jin-Hsien
4 Arias, M. Laura
4 Behzad, Mehdi
4 Cao, Xiaohong
4 Chen, Zhengxin
4 De La Cruz, Ralph John Lamadrid
4 Đoković, Dragomir Ž.
4 Dolžan, David
4 Duggal, Bhagwati Prashad
4 Ellers, Erich Werner
4 Fillmore, Peter A.
4 Hou, Xin
4 Huang, Li
4 Ji, Youqing
4 Kramar Fijavž, Marjeta
4 Laffey, Thomas J.
4 Lei, Tiangang
4 Lev, Arieh
4 Liu, Cheng-Kai
4 Markova, Olga V.
4 Mecheri, Salah
4 Shitov, Yaroslav Nikolaevich
4 Šivic, Klemen
4 Słowik, Roksana
4 Tsing, Nam-Kiu
3 Azoff, Edward A.
3 Botha, J. D.
3 Bračič, Janko
3 Chan, Kit Chak
3 Chen, Alatancang
3 Cohen, Jo-Ann D.
3 Dong, Aiju
3 Dubi, Chen
3 Dutta, Parama
3 Enomoto, Masatoshi
3 Foiaş, Ciprian Ilie
3 Froelich, John
3 Gilfeather, Frank L.
3 Gonzalez, María Celeste
3 Grunenfelder, Luzius
3 Halmos, Paul Richard
3 Huhtanen, Marko
3 Ikramov, Saidkhakim Dododshanovich
...and 760 more Authors
all top 5

Cited in 172 Serials

221 Linear Algebra and its Applications
107 Proceedings of the American Mathematical Society
59 Linear and Multilinear Algebra
53 Journal of Functional Analysis
47 Journal of Mathematical Analysis and Applications
32 Transactions of the American Mathematical Society
30 Integral Equations and Operator Theory
19 Communications in Algebra
19 Journal of Algebra
14 Positivity
12 Semigroup Forum
11 Mathematische Annalen
11 Journal of Mathematical Sciences (New York)
10 Acta Mathematica Sinica. English Series
9 Bulletin of the Australian Mathematical Society
9 Journal of Pure and Applied Algebra
8 Complex Analysis and Operator Theory
7 Archiv der Mathematik
6 Israel Journal of Mathematics
6 Rocky Mountain Journal of Mathematics
5 Communications in Mathematical Physics
5 Tohoku Mathematical Journal. Second Series
5 Journal of Algebra and its Applications
5 Analysis in Theory and Applications
5 Operators and Matrices
5 Special Matrices
4 International Journal of Theoretical Physics
4 Mathematical Notes
4 Studia Mathematica
4 Ukrainian Mathematical Journal
4 Advances in Mathematics
4 Czechoslovak Mathematical Journal
4 Journal of Soviet Mathematics
3 Journal of Mathematical Physics
3 Functional Analysis and its Applications
3 Glasgow Mathematical Journal
3 Illinois Journal of Mathematics
3 Mathematische Nachrichten
3 Monatshefte für Mathematik
3 Systems & Control Letters
3 Bulletin of the Korean Mathematical Society
3 Indagationes Mathematicae. New Series
3 Banach Journal of Mathematical Analysis
3 Science China. Mathematics
3 Journal of Linear and Topological Algebra
3 Advances in Operator Theory
2 Discrete Mathematics
2 Indian Journal of Pure & Applied Mathematics
2 Mathematical Proceedings of the Cambridge Philosophical Society
2 Arkiv för Matematik
2 Applied Mathematics and Computation
2 Automatica
2 Canadian Journal of Mathematics
2 Fuzzy Sets and Systems
2 Indiana University Mathematics Journal
2 Inventiones Mathematicae
2 Journal of Combinatorial Theory. Series A
2 Mathematische Zeitschrift
2 Rendiconti del Circolo Matemàtico di Palermo. Serie II
2 Ergodic Theory and Dynamical Systems
2 Chinese Annals of Mathematics. Series B
2 Acta Mathematica Hungarica
2 Bulletin of the Iranian Mathematical Society
2 Applied Mathematics Letters
2 MCSS. Mathematics of Control, Signals, and Systems
2 Forum Mathematicum
2 Science in China. Series A
2 Multidimensional Systems and Signal Processing
2 Aequationes Mathematicae
2 Bulletin of the American Mathematical Society. New Series
2 Expositiones Mathematicae
2 Acta Mathematica Sinica. New Series
2 The Journal of Analysis
2 Turkish Journal of Mathematics
2 Finite Fields and their Applications
2 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
2 Comptes Rendus. Mathématique. Académie des Sciences, Paris
2 Mediterranean Journal of Mathematics
2 Fixed Point Theory and Applications
2 Asian-European Journal of Mathematics
2 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
2 Annals of Functional Analysis
2 Concrete Operators
2 Khayyam Journal of Mathematics
2 Korean Journal of Mathematics
2 Journal of Algebraic Systems
1 American Mathematical Monthly
1 Computers & Mathematics with Applications
1 Periodica Mathematica Hungarica
1 Physics Letters. A
1 Russian Mathematical Surveys
1 The Mathematical Intelligencer
1 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg
1 Acta Mathematica
1 BIT
1 Canadian Mathematical Bulletin
1 Commentarii Mathematici Helvetici
1 Demonstratio Mathematica
1 Duke Mathematical Journal
1 Journal of Approximation Theory
...and 72 more Serials
all top 5

Cited in 48 Fields

527 Operator theory (47-XX)
333 Linear and multilinear algebra; matrix theory (15-XX)
156 Functional analysis (46-XX)
109 Group theory and generalizations (20-XX)
77 Associative rings and algebras (16-XX)
59 Combinatorics (05-XX)
34 Nonassociative rings and algebras (17-XX)
18 Quantum theory (81-XX)
16 Systems theory; control (93-XX)
12 Approximations and expansions (41-XX)
11 Order, lattices, ordered algebraic structures (06-XX)
11 Functions of a complex variable (30-XX)
10 Number theory (11-XX)
10 Commutative algebra (13-XX)
9 Topological groups, Lie groups (22-XX)
8 Algebraic geometry (14-XX)
8 Several complex variables and analytic spaces (32-XX)
8 Ordinary differential equations (34-XX)
7 Numerical analysis (65-XX)
6 Mathematical logic and foundations (03-XX)
6 \(K\)-theory (19-XX)
6 Dynamical systems and ergodic theory (37-XX)
5 Partial differential equations (35-XX)
5 Probability theory and stochastic processes (60-XX)
4 Harmonic analysis on Euclidean spaces (42-XX)
4 General topology (54-XX)
4 Information and communication theory, circuits (94-XX)
3 Field theory and polynomials (12-XX)
3 Measure and integration (28-XX)
3 Difference and functional equations (39-XX)
3 Abstract harmonic analysis (43-XX)
3 Computer science (68-XX)
2 History and biography (01-XX)
2 General algebraic systems (08-XX)
2 Real functions (26-XX)
2 Integral equations (45-XX)
2 Geometry (51-XX)
2 Convex and discrete geometry (52-XX)
2 Differential geometry (53-XX)
2 Algebraic topology (55-XX)
2 Global analysis, analysis on manifolds (58-XX)
1 General and overarching topics; collections (00-XX)
1 Category theory; homological algebra (18-XX)
1 Integral transforms, operational calculus (44-XX)
1 Mechanics of particles and systems (70-XX)
1 Statistical mechanics, structure of matter (82-XX)
1 Relativity and gravitational theory (83-XX)
1 Operations research, mathematical programming (90-XX)

Citations by Year