Zobrazeno 1 - 10
of 97
pro vyhledávání: '"Zhdanov, Renat"'
A novel minutia-based fingerprint matching algorithm is proposed that employs iterative global alignment on two minutia sets. The matcher considers all possible minutia pairings and iteratively aligns the two sets until the number of minutia pairs do
Externí odkaz:
http://arxiv.org/abs/1702.01870
Autor:
Hosseinbor, A. Pasha, Zhdanov, Renat
We consider the parameter estimation of a 2D sinusoid. Although sinusoidal parameter estimation has been extensively studied, our model differs from those examined in the available literature by the inclusion of an offset term. We derive both the max
Externí odkaz:
http://arxiv.org/abs/1702.01858
Autor:
Zhdanov, Renat, Huang, Qing
We obtain exhaustive classification of inequivalent realizations of the Witt and Virasoro algebras by Lie vector fields of differential operators in the space $\mathbb{R}^3$. Using this classification we describe all inequivalent realizations of the
Externí odkaz:
http://arxiv.org/abs/1407.5387
Autor:
Zhdanov, Renat, Huang, Qing
We obtain complete classification of in-equivalent realizations of the Virasoro algebra by Lie vector fields over the three-dimensional field of real numbers. As an application we construct new classes of nonlinear second-order partial differential e
Externí odkaz:
http://arxiv.org/abs/1310.2846
In this paper, we develop an algebraic approach to classifying contact symmetries of the second-order nonlinear evolution equations. Up to contact isomorphisms, all inequivalent PDEs admitting semi-simple algebras, solvable algebras of dimension $n\l
Externí odkaz:
http://arxiv.org/abs/1301.2097
Autor:
Zhdanov, Renat
We suggest the method for group classification of evolution equations admitting nonlocal symmetries which are associated with a given evolution equation possessing nontrivial Lie symmetry. We apply this method to second-order evolution equations in o
Externí odkaz:
http://arxiv.org/abs/0907.1798
Autor:
Zhdanov, Renat
We prove that any potential symmetry of a system of evolution equations reduces to a Lie symmetry through a nonlocal transformation of variables. Based on this fact is our method of group classification of potential symmetries of systems of evolution
Externí odkaz:
http://arxiv.org/abs/0906.3006
Autor:
Zhdanov, Renat
We prove that any evolution equation admitting a potential symmetry can always be reduced to another evolution equation such that the potential symmetry in question maps into the group of its contact symmetries. Based on this fact is out group approa
Externí odkaz:
http://arxiv.org/abs/0901.3175
Autor:
Zhdanov, Renat
We develop efficient group-theoretical approach to the problem of classification of evolution equations that admit non-local transformation groups (quasi-local symmetries), i.e., groups involving integrals of the dependent variable. We classify reali
Externí odkaz:
http://arxiv.org/abs/0901.0578
Autor:
Fushchych, Wilhelm, Zhdanov, Renat
Publikováno v:
Mathematical Ukraina Publisher, Kyiv, 1997, 384 pp, ISSN 966-02-0144-3
The authors give a detailed information about symmetry (Lie, non-Lie, conditional) of nonlinear PDEs for spinor, vector and scalar fields; using advanced methods of group-theoretical, symmetry analysis construct wide families of classical solutions o
Externí odkaz:
http://arxiv.org/abs/math-ph/0609052