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JOURNALS // Itogi Nauki i Tekhniki. Sovremennaya Matematika i ee Prilozheniya. Tematicheskie Obzory // Archive

Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 2020 Volume 179, Pages 50–59 (Mi into626)

Geometry of fibered graphs of mappings

A. A. Rylov

Financial University under the Government of the Russian Federation, Moscow

Abstract: In this paper, we examine the differential-geometric aspect of constant-rank mappings of smooth manifolds based on the concept of a graph as a smooth submanifold in the space of the direct product of the original manifolds. The nonmaximality of the rank provides the fibered nature of the graph. A Riemannian structure on manifolds enriches the geometry of the graph, which now essentially depends on the induced field of the metric tensor; we characterize relatively affine, projective, and $g$-umbilical mappings. The final part of the paper is devoted to mappings of Euclidean spaces of the types described earlier in terms of V. T. Bazylev's constructive graph.

Keywords: constant-rank mapping of manifolds, graph of a mapping, fibered submanifold, almost product structure, relatively affine mapping, $g$-umbilical mapping.

UDC: 514.757

MSC: 53A07, 53A55, 53B20

DOI: 10.36535/0233-6723-2020-179-50-59



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