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Valentin Lychagin

Observed names: Lychagin, Valentin, Lychagin, Valentin V., V V Lychagin, V. Lychagin, V. V. Lychagin, V.V. Lychagin, VALENTIN LYCHAGIN, Valentin LYCHAGIN, Valentin V. Lychagin
Observed institutions: Norwegian Academy of Science and Letters, Russian Academy of Sciences, National Academy of Sciences of Belarus, Bauman Moscow State Technical University, Lomonosov Moscow State University, Institute of Mathematics, V. A. Trapeznikov Institute of Control Sciences, Centre for Advanced Study, UiT The Arctic University of Norway
ORCID: 0000-0001-6000-5063
Observed ORCID: 0000-0001-6000-5063
OpenAlex ID: A5025226237
Geometry of jet spaces and nonlinear partial differential equations
1986 · I. S. Krasil’shchik, Valentin Lychagin, et al. · Gordon and Breach Science Publishers eBooks · 334
Contact Geometry and Non-linear Differential Equations
2006 · Alexei Kushner, Valentin Lychagin, et al. · Cambridge University Press eBooks · 226
Basic ideas and concepts of differential geometry
1991 · D. V. Alekseevskiĭ, Revaz Valerianovich Gamkrelidze, et al. · Springer eBooks · 118
Global Lie–Tresse theorem
2016 · Boris Kruglikov, Valentin Lychagin · Selecta Mathematica · 101
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Contact Geometry and Non-linear Second-order Differential Equations
1979 · V V Lychagin · Russian Mathematical Surveys · 97
Geometry of differential equations
2008 · Boris Kruglikov, Valentin Lychagin · Elsevier eBooks · 82
Local Classification of Non-linear First Order Partial Differential Equations
1975 · V V Lychagin · Russian Mathematical Surveys · 77
A classification of Monge-Ampère equations
1993 · V. V. Lychagin, V. N. Rubtsov, et al. · Annales Scientifiques de l École Normale Supérieure · 67
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Ordinary differential equations
2010 · Alexei Kushner, Valentin Lychagin, et al. · Cambridge University Press eBooks · 51
Symmetries of distributions and quadrature of ordinary differential equations
1991 · S. V. Duzhin, V. V. Lychagin · Acta Applicandae Mathematicae · 48
Invariants of pseudogroup actions: homological methods and finiteness theorem
2005 · Boris Kruglikov, Valentin Lychagin · 35
Singularities of multivalued solutions of nonlinear differential equations, and nonlinear phenomena
1985 · V. V. Lychagin · Acta Applicandae Mathematicae · 35
Mayer brackets and solvability of PDEs—I
2002 · Boris Kruglikov, Valentin Lychagin · Differential Geometry and its Applications · 32
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Critical Phenomena in Filtration Processes of Real Gases
2019 · Valentin Lychagin, Mikhail Roop · Lobachevskii Journal of Mathematics · 31
On the Blaschke conjecture for 3-webs
2006 · Vladislav V. Goldberg, Valentin V. Lychagin · Journal of Geometric Analysis · 31
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Contact Geometry, Measurement, and Thermodynamics
2019 · Valentin V. Lychagin · Tutorials, schools, and workshops in the mathematical sciences · 30
Singularities of cauchy data, characteristics, cocharacteristics and integral cobordism
1994 · V. Lychagin, A. Prástaro · Differential Geometry and its Applications · 28
Linearizability of d-webs, d ≥ 4, on two-dimensional manifolds
2005 · Maks A. Akivis, Vladislav V. Goldberg, et al. · Selecta Mathematica · 23
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Calculus and Quantizations Over Hopf Algebras
1998 · V. Lychagin · Acta Applicandae Mathematicae · 23
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Geometric theory of singularities of solutions of nonlinear differential equations
1990 · V. V. Lychagin · Journal of Mathematical Sciences · 22
Compatibility, Multi-brackets and Integrability of Systems of PDEs
2009 · Boris Kruglikov, Valentin Lychagin · Acta Applicandae Mathematicae · 20
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Mayer brackets and solvability of PDEs – II
2005 · Boris Kruglikov, Valentin Lychagin · Transactions of the American Mathematical Society · 20
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Colour calculus and colour quantizations
1995 · V. Lychagin · Acta Applicandae Mathematicae · 18
Feedback Differential Invariants
2009 · Valentin Lychagin · Acta Applicandae Mathematicae · 17
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Colour Calculus and Colour Quantizations
1995 · V. Lychagin · Springer eBooks · 17
Works count: 213
Citation count: 2,131
H-index: 20
I10-index: 38
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