| 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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