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Found 38 Documents (Results 1–38)

Asymptotic analysis of solutions of ordinary differential equations with distribution coefficients. (English. Russian original) Zbl 1477.34032

Sb. Math. 211, No. 11, 1623-1659 (2020); translation from Mat. Sb. 211, No. 11, 129-166 (2020).
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A quasiclassical limit of the spectrum of a Schrödinger operator with complex periodic potential. (English. Russian original) Zbl 1387.34116

Sb. Math. 208, No. 10, 1535-1556 (2017); translation from Mat. Sb. 208, No. 10, 126-148 (2017).
MSC:  34L05 34L20 34L40
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Asymptotic behaviour of the solution to a singularly perturbed partially dissipative system with a multiple root of the degenerate equation. (English. Russian original) Zbl 1361.35085

Sb. Math. 207, No. 8, 1100-1126 (2016); translation from Mat. Sb. 207, No. 7, 73-100 (2016).
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The leading term of the Plancherel-Rotach asymptotic formula for solutions of recurrence relations. (English. Russian original) Zbl 1317.39001

Sb. Math. 205, No. 12, 1696-1719 (2014); translation from Mat. Sb. 205, No. 12, 17-40 (2014).
MSC:  39A06 39A22
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The method of normal forms for singularly perturbed systems of Fredholm integro-differential equations with rapidly varying kernels. (English) Zbl 1278.45009

Sb. Math. 204, No. 7, 979-1002 (2013); translation from Mat. Sb. 204, No. 7, 47-70 (2013).
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Asymptotic analysis of boundary value and spectral problems in thin perforated regions with rapidly changing thickness and different limiting dimensions. (English. Russian original) Zbl 1259.35025

Sb. Math. 203, No. 8, 1169-1195 (2012); translation from Mat. Sb. 203, No. 8, 97-124 (2012).
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A nonlinear integral equation of Hammerstein type with a noncompact operator. (English. Russian original) Zbl 1204.45006

Sb. Math. 201, No. 4, 595-606 (2010); translation from Mat. Sb. 201, No. 4, 125-136 (2010).
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Local asymptotics of the ratio of orthogonal polynomials in the neighbourhood of an end-point of the support of the orthogonality measure. (English. Russian original) Zbl 1019.42016

Sb. Math. 192, No. 2, 299-321 (2001); translation from Mat. Sb. 192, No. 2, 139-160 (2001).
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Tartar’s method of compensated compactness in averaging the spectrum of a mixed problem for an elliptic equation in a perforated domain with third boundary condition. (English. Russian original) Zbl 0836.35015

Sb. Math. 186, No. 5, 753-770 (1995); translation from Mat. Sb. 186, No. 5, 127-144 (1995).
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