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[1] Miguel Martín.
Positive and negative results on the numerical index of Banach spaces and duality.
Proc. Amer. Math. Soc.
137
(2009)
3067-3075.
MR 2506465.
Abstract, references, and article information
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[2] Gerd Herzog and Christoph Schmoeger.
An example on ordered Banach algebras.
Proc. Amer. Math. Soc.
135
(2007)
3949-3954.
MR 2341945.
Abstract, references, and article information
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[3] B. P. Duggal.
Perturbations and Weyl's theorem.
Proc. Amer. Math. Soc.
135
(2007)
2899-2905.
MR 2317967.
Abstract, references, and article information
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[4] Hwa-Long Gau and Chi-Kwong Li.
$C^*$-isomorphisms, Jordan isomorphisms, and numerical range preserving maps.
Proc. Amer. Math. Soc.
135
(2007)
2907-2914.
MR 2317968.
Abstract, references, and article information
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[5] Hwa-Long Gau and Pei Yuan Wu.
Anderson's theorem for compact operators.
Proc. Amer. Math. Soc.
134
(2006)
3159-3162.
MR 2231898.
Abstract, references, and article information
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[6] Elmouloudi Ed-Dari and Mohamed Amine Khamsi.
The numerical index of the $L_{p}$ space.
Proc. Amer. Math. Soc.
134
(2006)
2019-2025.
MR 2215771.
Abstract, references, and article information
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[7] Jinchuan Hou and Qinghui Di.
Maps preserving numerical ranges of operator products.
Proc. Amer. Math. Soc.
134
(2006)
1435-1446.
MR 2199190.
Abstract, references, and article information
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[8] M. Barraa.
Essential numerical range of elementary operators.
Proc. Amer. Math. Soc.
133
(2005)
1723-1726.
MR 2120257.
Abstract, references, and article information
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[9] Mohamed Chraibi Kaadoud.
Domaine numérique du produit et de la bimultiplication $M_{2,A,B}$.
Proc. Amer. Math. Soc.
132
(2004)
2421-2428.
MR 2052420.
Abstract, references, and article information
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[10] Mubariz T. Karaev.
The numerical range of a nilpotent operator on a Hilbert space.
Proc. Amer. Math. Soc.
132
(2004)
2321-2326.
MR 2052408.
Abstract, references, and article information
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[11] Zhaofang Bai and Jinchuan Hou.
Numerical radius distance-preserving maps on $\mathcal{B}(H)$.
Proc. Amer. Math. Soc.
132
(2004)
1453-1461.
MR 2053353.
Abstract, references, and article information
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[12] Chi-Kwong Li, Edward Poon and Hans Schneider.
Induced norms, states, and numerical ranges.
Proc. Amer. Math. Soc.
132
(2004)
1501-1506.
MR 2053358.
Abstract, references, and article information
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[13] Miguel Martín.
Banach spaces having the Radon-Nikodym property and numerical index 1.
Proc. Amer. Math. Soc.
131
(2003)
3407-3410.
MR 1990629.
Abstract, references, and article information
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[14] Rajna Rajic.
On the algebra range of an operator on a Hilbert $C^*$-module over compact operators.
Proc. Amer. Math. Soc.
131
(2003)
3043-3051.
MR 1993211.
Abstract, references, and article information
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[15] Catherine Finet, Miguel Martín and Rafael Payá.
Numerical index and renorming.
Proc. Amer. Math. Soc.
131
(2003)
871-877.
MR 1937425.
Abstract, references, and article information
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[16] Mohamed Barraa and Mohamed Boumazgour.
Inner derivations and norm equality.
Proc. Amer. Math. Soc.
130
(2002)
471-476.
MR 1862127.
Abstract, references, and article information
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[17] Norberto Salinas and Maria Victoria Velasco.
Normal essential eigenvalues in the boundary of the numerical range.
Proc. Amer. Math. Soc.
129
(2001)
505-513.
MR 1800238.
Abstract, references, and article information
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[18] C.-S. Lin.
The unilateral shift and a norm equality for bounded linear operators.
Proc. Amer. Math. Soc.
127
(1999)
1693-1696.
MR 1487321.
Abstract, references, and article information
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[19] Chi-Kwong Li and Leiba Rodman.
Remarks on numerical ranges of operators in spaces with an indefinite
metric.
Proc. Amer. Math. Soc.
126
(1998)
973-982.
MR 1443838.
Abstract, references, and article information
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[20] Tin-Yau Tam.
On a conjecture of Ridge.
Proc. Amer. Math. Soc.
125
(1997)
3581-3592.
MR 1415372.
Abstract, references, and article information
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[21] Yiu Tung Poon.
Generalized numerical ranges, joint positive definiteness and
multiple eigenvalues.
Proc. Amer. Math. Soc.
125
(1997)
1625-1634.
MR 1372044.
Abstract, references, and article information
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[22] Uri Fixman, Frank Okoh and G. K. R. Rao.
The existence of a maximizing vector for the numerical range
of a compact operator.
Proc. Amer. Math. Soc.
124
(1996)
1133-1138.
MR 1307516.
Abstract, references, and article information
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[23] Jor-Ting Chan.
Numerical radius preserving operators on $B(H)$
.
Proc. Amer. Math. Soc.
123
(1995)
1437-1439.
MR 1231293.
Abstract, references, and article information
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[24] Tofik Y. Kuliyev.
Pathwise connectivity of the spatial numerical
range
.
Proc. Amer. Math. Soc.
122
(1994)
1173-1174.
MR 1211582.
Abstract, references, and article information
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[25] D. R. Farenick and Phillip B. Morenz.
$C\sp \ast$-extreme points of some compact $C\sp
\ast$-convex sets
.
Proc. Amer. Math. Soc.
118
(1993)
765-775.
MR 1139466.
Abstract, references, and article information
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[26] Yoshihiro Nakamura, Kichi-Suke Saito and Kazunari Sakaba.
The numerical index of nonselfadjoint operator
algebras
.
Proc. Amer. Math. Soc.
117
(1993)
1105-1107.
MR 1118086.
Abstract, references, and article information
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[27] Uffe Haagerup and Pierre de la Harpe.
The numerical radius of a nilpotent operator on a
Hilbert space
.
Proc. Amer. Math. Soc.
115
(1992)
371-379.
MR 1072339.
Abstract, references, and article information
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[28] Chi-Kwong Li and Nam-Kiu Tsing.
Matrices with circular symmetry on their unitary
orbits and $C$-numerical ranges
.
Proc. Amer. Math. Soc.
111
(1991)
19-28.
MR 1041014.
Abstract, references, and article information
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[29] María D. Acosta and Rafael Paya.
Denseness of operators whose second adjoints attain
their numerical radii
.
Proc. Amer. Math. Soc.
105
(1989)
97-101.
MR 937841.
Abstract, references, and article information
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[30] Milan Hladnik and Matjaž Omladič.
Spectrum of the product of operators
.
Proc. Amer. Math. Soc.
102
(1988)
300-302.
MR 920990.
Abstract, references, and article information
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