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JOURNALS // Vestnik Tomskogo Gosudarstvennogo Universiteta. Matematika i Mekhanika // Archive

Vestn. Tomsk. Gos. Univ. Mat. Mekh., 2023 Number 84, Pages 23–35 (Mi vtgu1014)

MATHEMATICS

Kähler and sublagrangian submanifolds

E. S. Kornev

Kemerovo State University, Kemerovo, Russian Federation

Abstract: The work describes a way to obtain Kähler and sublagrangian submanifolds in real manifolds of arbitrary dimension. For this purpose, the concept of subtwistor and sub-Kähler structure is used. They generalize the classic concepts of twistor and Kähler structures to real manifolds of any dimension with a degenerate fundamental 2-form. The explicit examples of such submanifolds are presented. It is also shown how the subtwistor structure on the manifold allows one to factorize locally this manifold into direct products of submanifolds.

Keywords: subtwistor structure, sub-Kähler structure, Kähler submanifold, sublagrangian submanifold, degenerate 2-form.

UDC: 514.765

MSC: 53B35

Received: 27.02.2023
Accepted: July 10, 2023

DOI: 10.17223/19988621/84/3



© Steklov Math. Inst. of RAS, 2026