The structure of a class of finite ramified coverings and canonical forms of analytic matrix-functions in a neighborhood of a ramified turning point

DOI10.1073/pnas.082074899zbMath1009.32007OpenAlexW2083018181WikidataQ34063789 ScholiaQ34063789MaRDI QIDQ4547717

Yevsey A. Nisnevich

Publication date: 11 September 2002

Published in: Proceedings of the National Academy of Sciences (Search for Journal in Brave)

Full work available at URL: http://www.pnas.org/content/vol99/issue11/#MATHEMATICS

zbMATH Keywords

singularitiesperturbation theorydiagonalization morphismeigenbundlesramified eigenvalues

Mathematics Subject Classification ID

Singularities of surfaces or higher-dimensional varieties (14J17) Germs of analytic sets, local parametrization (32B10)

Related Items (2)

Coordination via correlation: an experimental study ⋮ Energy bands: Chern numbers and symmetry

Cites Work

• The local \(\pi _ 1\) of the complement of a hypersurface with normal crossings in codimension 1 is abelian
• Rings with Discrete Divisor Class Group: Theorem of Danilov-Samuel

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