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within Nenad Teofanov Remove this filter Applications of Mathematics Remove this filter Partial Differential Equations Remove this filter

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  1. Article

    Open Access

    Subexponential decay and regularity estimates for eigenfunctions of localization operators

    We consider time-frequency localization operators \(A_a^{\varphi _1,\varphi _2}\) A ...

    Federico Bastianoni, Nenad Teofanov in Journal of Pseudo-Differential Operators a… (2021)

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    Article

    A Paley–Wiener theorem in extended Gevrey regularity

    In this paper we introduce appropriate associated function to the sequence \(M_p=p^{\tau p^{\sigma }}, p\in {\mathbf {N}}, \tau>0, \sigma >1\)Mp=pτpσ,p∈N,τ>0,σ>1, and derive its sharp asymptotic estimates in term...

    Stevan Pilipović, Nenad Teofanov… in Journal of Pseudo-Differential Operators a… (2020)

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    Article

    Inverse closedness and localization in extended Gevrey regularity

    We consider classes \( \mathcal {E}_{\tau ,\sigma }(U)\) ...

    Nenad Teofanov, Filip Tomić in Journal of Pseudo-Differential Operators and Applications (2017)

  4. No Access

    Article

    Beyond Gevrey regularity

    We define and study classes of smooth functions which are less regular than Gevrey functions. To that end we introduce two-parameter dependent sequences which do not satisfy Komatsu’s condition (M.2)’, which i...

    Stevan Pilipović, Nenad Teofanov… in Journal of Pseudo-Differential Operators a… (2016)

  5. No Access

    Article

    Micro-local analysis in Fourier Lebesgue and modulation spaces: part II

    We consider different types of (local) products f 1 f 2 in Fourier Lebesgue spaces. Furthermore, we prove the existence of such products fo...

    Stevan Pilipović, Nenad Teofanov… in Journal of Pseudo-Differential Operators a… (2010)