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Found 20,185 Documents (Results 201–300)

Image reconstruction for positron emission tomography based on Chebyshev polynomials. (English) Zbl 1496.92039

Daras, Nicholas J. (ed.) et al., Approximation and computation in science and engineering. Cham: Springer. Springer Optim. Appl. 180, 281-295 (2022).
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Chebyshev spectral projection methods for Fredholm integral equations of the second kind. (English) Zbl 1496.65238

Giri, Debasis (ed.) et al., Proceedings of the seventh international conference on mathematics and computing, ICMC 2021, Shibpur, India, March 2–5, 2021. Singapore: Springer. Adv. Intell. Syst. Comput. 1412, 801-814 (2022).
MSC:  65R20 45B05 65R15
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Mass flux and gas pressure distribution in a long concentric annular channel in the case of incomplete accommodation of gas molecules. (English. Russian original) Zbl 07596715

Comput. Math. Math. Phys. 62, No. 9, 1515-1526 (2022); translation from Zh. Vychisl. Mat. Mat. Fiz. 62, No. 9, 1551-1562 (2022).
MSC:  76P05 76M99
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Numerical solution of a weakly singular integral equation by the method of orthogonal polynomials in various function classes. (English. Russian original) Zbl 07571675

Differ. Equ. 58, No. 4, 546-555 (2022); translation from Differ. Uravn. 58, No. 4, 545-553 (2022).
MSC:  65-XX 78-XX
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Prediction and causality in econometrics and related topics. (English) Zbl 1493.62009

Studies in Computational Intelligence 983. Cham: Springer (ISBN 978-3-030-77093-8/hbk; 978-3-030-77096-9/pbk; 978-3-030-77094-5/ebook). xi, 682 p. (2022).
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Realization by a differential operator of the annihilation operator for generalized Chebyshev oscillator. (English. Russian original) Zbl 07566755

J. Math. Sci., New York 264, No. 3, 252-270 (2022); translation from Zap. Nauchn. Semin. POMI 494, 75-102 (2020).
MSC:  33Cxx 33Dxx 33-XX
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