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Found 9 Documents (Results 1–9)

Two-photon propagation of light and the modified Liouville equation. (English. Russian original) Zbl 1453.81066

Theor. Math. Phys. 204, No. 2, 1093-1099 (2020); translation from Teor. Mat. Fiz. 204, No. 2, 297-304 (2020).
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Uniqueness and nonuniqueness conditions for weakly periodic Gibbs measures for the hard-core model. (English. Russian original) Zbl 1454.82015

Theor. Math. Phys. 204, No. 2, 1059-1078 (2020); translation from Teor. Mat. Fiz. 204, No. 2, 258-279 (2020).
MSC:  82B30 82B20 05C05
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Convergent perturbation theory for studying phase transitions. (English. Russian original) Zbl 1453.81049

Theor. Math. Phys. 204, No. 2, 1033-1045 (2020); translation from Teor. Mat. Fiz. 204, No. 2, 226-241 (2020).
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The KNTZ trick from arborescent calculus and the structure of the differential expansion. (English. Russian original) Zbl 1456.57009

Theor. Math. Phys. 204, No. 2, 993-1019 (2020); translation from Teor. Mat. Fiz. 204, No. 2, 181-210 (2020).
MSC:  57K10 57K14
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Airy functions and transition between semiclassical and harmonic oscillator approximations for one-dimensional bound states. (English. Russian original) Zbl 1453.81024

Theor. Math. Phys. 204, No. 2, 984-992 (2020); translation from Teor. Mat. Fiz. 204, No. 2, 171-180 (2020).
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Group algebras acting on the space of solutions of a special double confluent Heun equation. (English. Russian original) Zbl 1454.82051

Theor. Math. Phys. 204, No. 2, 967-983 (2020); translation from Teor. Mat. Fiz. 204, No. 2, 153-170 (2020).
MSC:  82D55 81R10 34M35
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