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Found 1,668 Documents (Results 1–100)

On the spectral properties of selfadjoint partial integral operators with a nondegenerate kernel. (English. Russian original) Zbl 07825261

Sib. Math. J. 65, No. 2, 475-486 (2024); translation from Vladikavkaz. Mat. Zh. 24, No. 4, 91-104 (2022).
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Reconstruction of the Schrödinger operator with a singular potential on half-line by its prescribed essential spectrum. (English. Russian original) Zbl 07805964

Mosc. Univ. Math. Bull. 78, No. 4, 203-206 (2023); translation from Vestn. Mosk. Univ., Ser. I 78, No. 4, 57-60 (2023).
MSC:  47Bxx 47Axx 81Qxx
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The structure of the essential spectrum and the discrete spectrum of the energy operator for six-electron systems in the Hubbard model. The second singlet state. (English. Russian original) Zbl 07805783

Proc. Steklov Inst. Math. 323, Suppl. 1, S279-S299 (2023); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 29, No. 3, 210-230 (2023).
MSC:  82-XX 81-XX
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Spectral properties of self-adjoint partially integral operators with non-degenerate kernels. (Russian. English summary) Zbl 1516.47064

Vladikavkaz. Mat. Zh. 24, No. 4, 91-104 (2022); translation in Sib. Math. J. 65, No. 2, 475-486 (2024).
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Spectral gaps of the Laplacian on differential forms. (English) Zbl 1497.53082

Chen, Bang-Yen (ed.) et al., Differential geometry and global analysis. AMS special session honoring the memory of Tadashi Nagano (1930–2017), Denver, CO, USA, January 16, 2020. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 777, 127-135 (2022).
MSC:  53C21 58J50 53C23
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