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Found 4,371 Documents (Results 1–100)

Constructive algorithm to vectorize \((P \otimes P\) product for symmetric matrix \(P\). (English. Russian original) Zbl 07752283

Comput. Math. Math. Phys. 63, No. 9, 1559-1570 (2023); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 9, 1415-1427 (2023).
MSC:  81-XX 65-XX
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Differential transcendence of solutions for \(q\)-difference equation of Ramanujan function. (English) Zbl 1515.39003

Filipuk, Galina (ed.) et al., Recent trends in formal and analytic solutions of diff. equations. Virtual conference, University of Alcalá, Alcalá de Henares, Spain, June 28 – July 2, 2021. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 782, 143-153 (2023).
MSC:  39A13 12H10 33D15
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Lie symmetry analysis, optimal system and exact solutions for variable-coefficients \((2 + 1)\)-dimensional dissipative long-wave system. (English) Zbl 1498.35450

J. Math. Anal. Appl. 518, No. 1, Article ID 126671, 18 p. (2023); retraction note ibid. 526, No. 2, Article ID 127423, 1 p. (2023).
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