Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 2021, Volume 203

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

2021, Volume 203

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General information

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Contents

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Geometry

	On a Grassmann-like manifold and an analog of the Neufeld connection O. Belova		3
	Geometry of a cubic form N. I. Guseva		11
	Complete Lorentzian foliations of codimension 2 on closed manifolds N. I. Zhukova, N. G. Chebochko		17
	On the possibility of implementing the Landau–Hopf scenario of transition to turbulence in the generalized model “multiplier-accelerator” A. N. Kulikov, D. A. Kulikov		39
	Some questions of geodesic mappings of Einstein spaces J. Mikeš, S. Formella, I. Hinterleitner, N. I. Guseva		50
	Left-invariant contact metric structures and connections on Thurston group manifolds V. I. Panzhenskii, O. P. Surina		62
	Canonical affine connections of the first and second orders K. V. Polyakova		71
	Hyperband distributions of affine spaces Yu. I. Popov		84
	Classification of left-invariant para-Sasakian structures on five-dimensional Lie groups N. K. Smolentsev		100
	On Weil algebras and Weil bundles A. Ya. Sultanov, G. A. Sultanova, O. A. Monakhova		116
	Structural equations of the Cartan connection with the curvature-torsion quasi-tensor Yu. I. Shevchenko, E. V. Skrydlova		130

© Steklov Math. Inst. of RAS, 2025