Invariants of four- and three-dimensional singularities of integrable systems
- Authors: Tuzhilin M.A.1
 - 
							Affiliations: 
							
- Mechanics and Mathematics Faculty
 
 - Issue: Vol 93, No 2 (2016)
 - Pages: 186-189
 - Section: Mathematics
 - URL: https://journals.rcsi.science/1064-5624/article/view/223519
 - DOI: https://doi.org/10.1134/S1064562416020198
 - ID: 223519
 
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Abstract
A relationship between invariants of four-dimensional singularities of integrable Hamiltonian systems (with two degrees of freedom) and invariants of two-dimensional foliations on three-dimensional manifolds being the “boundaries” of these four-dimensional singularities is discovered. Nonequivalent singularities which, nevertheless, have equal three-dimensional invariants are found.
About the authors
M. A. Tuzhilin
Mechanics and Mathematics Faculty
							Author for correspondence.
							Email: mtu1993@mail.ru
				                					                																			                												                	Russian Federation, 							Moscow, 119991						
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