Open Mathematics > 2015 > 13 > 1
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journal ISSN : | 2391-5455 |
DOI | 10.1515/math-2015-0014 |
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Bibliography
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[1] Y.H. Au-Yeung and N.K. Tsing, An extension of the Hausdorff-Toeplitz theorem on the numerical range, Proc. Amer. Math. Soc., 89 (1983) 215–218.
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[2] N. Bebiano, R. Lemos, J. da Providência and G. Soares, On generalized numerical ranges of operators on an indefinite inner product space, Linear and Multilinear Algebra 52 No. 3–4, (2004) 203–233.
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[3] N. Bebiano, H. Nakazato, J. da Providência, R. Lemos and G. Soares, Inequalities for JHermitian matrices, Linear Algebra Appl. 407 (2005) 125–139.