Pietro Aiena

University of Palermo — Italy

Mathematics · Physical Sciences

24h-index2.2kcitations157works1.62yr avg
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Research Topics

Holomorphic and Operator Theory(91), Spectral Theory in Mathematical Physics(74), Advanced Topics in Algebra(35), Matrix Theory and Algorithms(31), Advanced Banach Space Theory(25)

Publications151 total

Weyl-type theorems for hypercyclic and supercyclic operators
Linear and Multilinear Algebra·2025
On the spectrum of supercyclic/hypercyclic operators
Advances in Operator Theory·2025· 4 citedOpen Access
Further Results on Two Stronger Variants of Weyl’s Theorem
Mediterranean Journal of Mathematics·2025· 2 citedOpen Access
Limits of hypercyclic operators on Hilbert spaces
Journal of Mathematical Analysis and Applications·2025· 2 citedOpen Access
Algebraic Operators on Banach Spaces
Mathematical Proceedings of the Royal Irish Academy·2025
On S-Weyl’s theorem and property (t) for some classes of operators
Acta Scientiarum Mathematicarum·2024· 1 cited
Further Properties of an Operator Commuting with an Injective Quasi-Nilpotent Operator
Mediterranean Journal of Mathematics·2024· 2 citedOpen Access
A Strong Variant of Weyl’s Theorem Under Functional Calculus and Perturbations
Trends in mathematics·2022· 2 cited
On Commuting Quasi-Nilpotent Operators that are Injective
Mathematical Proceedings of the Royal Irish Academy·2022· 8 cited
Normal Operators and their Generalizations
Trends in mathematics·2022· 3 cited
Some new results on property $$(UW {\scriptstyle \Pi })$$
Rendiconti del Circolo Matematico di Palermo Series 2·2021· 1 cited
Local Spectral Properties Under Conjugations
Mediterranean Journal of Mathematics·2021· 7 citedOpen Access
On the spectral mapping theorem for Weyl spectra of Toeplitz operators
Advances in Operator Theory·2020· 8 cited
Property $$(UW{\scriptstyle \Pi })$$ under perturbations
Annals of Functional Analysis·2019· 8 citedOpen Access
Some Remarks on the Spectral Properties of Toeplitz Operators
Mediterranean Journal of Mathematics·2019· 6 citedOpen Access
Property (UWΠ) and localized SVEP
Acta Scientiarum Mathematicarum·2018· 5 cited
Fredholm and Local Spectral Theory II: With Application to Weyl-type Theorems
2018· 20 cited
Projections and isolated points of parts of the spectrum
Advances in Operator Theory·2018· 7 citedOpen Access
Weyl-Type Theorems on Banach Spaces Under Compact Perturbations
Mediterranean Journal of Mathematics·2018· 28 cited
Essential Spectra Under Perturbations
Lecture notes in mathematics·2018
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Frequent Co-authors

Pedro Peña(7), Manuel González(6), Jesús R. Guillén(6), Salvatore Triolo(6), Maria Teresa Biondi(4), Elvis Aponte(3), Carlos Carpintero(3), Kjeld Laursen(2), Ennis Rosas(2), Fernando Villafañe(2), T. L. Miller(2), Michael Neumann(2), Edixon Balzan(1), H. G. Dales(1), Jörg Eschmeier(1), George A. Willis(1), Osmin Monsalve(1), María Luisa Colasante(1), Orlando García(1), Muneo Chō(1)