Every nilpotent operator fails to determine the complete norm topology |
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Linear preservers of m-selfadjoint operators and high-order isometries |
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Non-linear Preservers of the Product of C-Skew Symmetry |
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Perturbations of C-normal operators |
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Linear Maps Preserving C-Normal Operators |
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On Maps Preserving Skew Symmetric Operators |
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C-normality of rank-one perturbations of normal operators |
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Non C-normal operators are dense |
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Nonlinear Preservers Involving Quadratic Operators |
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Nonlinear preservers problem of complex symmetric operators |
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Finite rank perturbations of complex symmetric operators |
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Nonlinear maps preserving Drazin invertible operators of bounded index |
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Complex symmetric operators and additive preservers problem |
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Ascent, descent and additive preserving problems |
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A Generalization of Strongly Preserver Problems of Drazin Invertibility |
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The perturbation class of algebraic operators and applications |
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Linear preservers of the essential ascent and essential descent |
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Nonlinear preservers of group invertible operators |
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Additive preservers of Drazin invertible operators with bounded index |
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Additive preservers of group invertible operators |
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Linear Preservers of Quadratic Operators |
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Non-linear maps preserving singular algebraic operators |
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ON ADDITIVE PRESERVERS OF SEMI-BROWDER OPERATORS |
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ADDITIVE PRESERVERS OF THE ASCENT, DESCENT AND RELATED SUBSETS |
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On additive maps preserving certain semi-Fredholm subsets |
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Additive mappings preserving minimum and surjectivity moduli |
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Linear mapping preserving the kernel or the range of operators |
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Ascent spectrum and essential ascent spectrum |
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On the isolated points of the surjective spectrum of a bounded operator |
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a-Weyl's theorem and perturbations |
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The descent spectrum and perturbations |
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Weyl's theorem and perturbations |
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Riesz operators and the complete norm topology |
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Weyl's and Browder's theorems for operators satisfying the SVEP |
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