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Local Marchenko-Pastur law for sparse rectangular random matrices. (English. Russian original) Zbl 07503273

Dokl. Math. 104, No. 3, 332-335 (2021); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 501, 22-25 (2021).
MSC:  60B20 15B52
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Block-cyclic structuring of the basis of Fourier transforms based on cyclic substitution. (English. Russian original) Zbl 07485099

Cybern. Syst. Anal. 57, No. 6, 1008-1016 (2021); translation from Kibern. Sist. Anal. 57, No. 6, 183-192 (2021).
MSC:  42A38 65T50
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Risk related prediction for recurrent stroke and post-stroke epilepsy using fractional Fourier transform analysis of EEG signals. (English) Zbl 07471059

Awrejcewicz, Jan (ed.), Perspectives in dynamical systems II: mathematical and numerical approaches. Selected papers based on the presentations at the 15th international conference on dynamical systems – theory and applications, DSTA, Łódź, Poland, December 2–5, 2019. Cham: Springer. Springer Proc. Math. Stat. 363, 69-78 (2021).
MSC:  92C55 42A38
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On Fourier restriction for finite-type perturbations of the hyperbolic paraboloid. (English) Zbl 1479.42027

Ciatti, Paolo (ed.) et al., Geometric aspects of harmonic analysis. Proceedings of the INdAM meeting, Cortona, Italy, June 25–29, 2018. Cham: Springer. Springer INdAM Ser. 45, 193-222 (2021).
MSC:  42B10 42B25 35A22
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