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Found 2,293 Documents (Results 1–100)

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Estimates of approximating characteristics and the properties of the operators of best approximation for the classes of periodic functions in the space \(B_{1,1}\). (English. Ukrainian original) Zbl 07491010

Ukr. Math. J. 73, No. 8, 1278-1298 (2022); translation from Ukr. Mat. Zh. 73, No. 8, 1102-1119 (2021).
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Archetypal model of entropy by Poisson cohomology as invariant Casimir function in coadjoint representation and geometric Fourier heat equation. (English) Zbl 07495241

Nielsen, Frank (ed.) et al., Geometric science of information. 5th international conference, GSI 2021, Paris, France, July 21–23, 2021. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 12829, 417-429 (2021).
MSC:  17Bxx 53Dxx 35K05
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Gauge freedom of entropies on \(q\)-Gaussian measures. (English) Zbl 1473.94029

Nielsen, Frank (ed.), Progress in information geometry. Theory and applications. Based on discussions of the fourth international conference on geometric science of information, GSI’2019, Toulouse, France, August 27–29, 2019. Cham: Springer. Signals Commun. Technol., 127-152 (2021).
MSC:  94A17 53B12
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Singular traces. Volume 1. Theory. 2nd corrected and expanded edition. (English) Zbl 07353467

De Gruyter Studies in Mathematics 46, 1. Berlin: De Gruyter (ISBN 978-3-11-037779-8/hbk; 978-3-11-037805-4/ebook). xxix, 383 p. (2021).
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Kolmogorov widths of intersections of weighted Sobolev classes on an interval with conditions on the zeroth and first derivatives. (English. Russian original) Zbl 1460.41014

Izv. Math. 85, No. 1, 1-23 (2021); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 85, No. 1, 3-26 (2021).
MSC:  41A46
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