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ЖУРНАЛЫ // Математические заметки // Архив

Матем. заметки, 2025, том 118, выпуск 2, страницы 309–320 (Mi mzm14915)

Статьи, опубликованные в английской версии журнала

Eigenvalue Distribution in Gaps of the Essential Spectrum of the Bochner–Schrödinger Operator

Yu. A. Kordyukov

Institute of Mathematics, Ufa Federal Research Centre, Russian Academy of Sciences

Аннотация: The Bochner–Schrödinger operator
\begin{equation*} H_{p}=\frac 1p\Delta^{L^p}+V \end{equation*}
on high tensor powers $L^p$ of a Hermitian line bundle $L$ on a Riemannian manifold $X$ of bounded geometry is studied under the assumption of non-degeneracy of the curvature form of $L$. For large $p$, the spectrum of $H_p$ asymptotically coincides with the union of all local Landau levels of the operator at the points of $X$. Moreover, if the union of the local Landau levels over the complement of a compact subset of $X$ has a gap, then the spectrum of $H_{p}$ in the gap is discrete. The main result of the paper is the trace asymptotics formula associated with these eigenvalues. As a consequence, we obtain a Weyl type asymptotic formula for the eigenvalue counting function.

Ключевые слова: Bochner–Schrödinger operator, essential spectrum, gap, eigenvalue distribution.

Поступило: 27.04.2025
После доработки: 14.05.2025
Принято к публикации: 22.05.2025

Язык публикации: английский


 Англоязычная версия: Mathematical Notes, 2025, 118:2, 309–320

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