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Homogenization of the Dirichlet problem for higher-order elliptic equations with periodic coefficients. / Суслина, Татьяна Александровна.
в: St. Petersburg Mathematical Journal, Том 29, № 2, 2018, стр. 325-362.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Homogenization of the Dirichlet problem for higher-order elliptic equations with periodic coefficients
AU - Суслина, Татьяна Александровна
PY - 2018
Y1 - 2018
N2 - Let O ⊂ ℝ d be a bounded domain of class C 2p. The object under study is a selfadjoint strongly elliptic operator AD, e of order 2p, p ≤ 2, in L 2(O, n), given by the expression b(D)* g(x/ε)b(D), ε > 0, with the Dirichlet boundary conditions. Here g(x) is a bounded and positive definite (m×m)-matrix-valued function in ℝ d, periodic with respect to some lattice; b(D) = ∑ |α| = p bαD α is a differential operator of order p with constant coefficients; and the ba are constant (m × n)-matrices. It is assumed that m ≤ n and the symbol b(Ξ) has maximal rank. Approximations are found for the resolvent (A D,ε - ζI) -1 in the L 2(O; n)-operator norm and in the norm of operators acting from L 2(O; n) to H p(O; n), with error estimates depending on ε and ζ.
AB - Let O ⊂ ℝ d be a bounded domain of class C 2p. The object under study is a selfadjoint strongly elliptic operator AD, e of order 2p, p ≤ 2, in L 2(O, n), given by the expression b(D)* g(x/ε)b(D), ε > 0, with the Dirichlet boundary conditions. Here g(x) is a bounded and positive definite (m×m)-matrix-valued function in ℝ d, periodic with respect to some lattice; b(D) = ∑ |α| = p bαD α is a differential operator of order p with constant coefficients; and the ba are constant (m × n)-matrices. It is assumed that m ≤ n and the symbol b(Ξ) has maximal rank. Approximations are found for the resolvent (A D,ε - ζI) -1 in the L 2(O; n)-operator norm and in the norm of operators acting from L 2(O; n) to H p(O; n), with error estimates depending on ε and ζ.
KW - Corrector
KW - Dirichlet problem
KW - Effective operator
KW - Higher-order elliptic equations
KW - Homogenization
KW - Operator error estimates
KW - Periodic differential operators
UR - http://www.scopus.com/inward/record.url?scp=85043502666&partnerID=8YFLogxK
U2 - 10.1090/spmj/1496
DO - 10.1090/spmj/1496
M3 - Article
VL - 29
SP - 325
EP - 362
JO - St. Petersburg Mathematical Journal
JF - St. Petersburg Mathematical Journal
SN - 1061-0022
IS - 2
ER -
ID: 35182531