Sergey Petrovich Novikov
Data di nascita 20 marzo 1938
Luogo Gorky (Russia)
Nomina 25 giugno 1996
Principali premi, riconoscimenti e accademie
Premi: Medaglia Fields (1970); Premio Lenin (1967); Premio internazionale Lobachevski (1981); Premio Wolf (2005). Accademie: Accademia delle Scienze, URSS/Russia (1981); Membro Onorario, London Math. Society (1987); US National Academy (1994); Accademia Nazionale dei Lincei (1993); Pontificia Accademia delle Scienze (1996); European Academy of Sciences, Bruxelles.
Riassunto dell’attività scientifica
Classical Topology of 60s: 1. Method of classification of manifolds developed 1961-4 . Proof of topological invariance of rational Pontryagin classes . Novikov Conjecture describing all homotopy invariant expressions from the Riemann Curvature Tensor . 2. Calculation of stable homotopy groups of spheres and cobordism rings ; new methods of algebraic topology based on the complex cobordisms [5, 6]. 3. Topology of 2-foliations on 3-manifolds (1963-5): proof of the existence of compact leaf on a 3-sphere, braids and classification of analytical 2-foliations in the solid torus, homotopy obstructions for the Anosov systems . Topological Phenomena in Physics: 1. Chern numbers of the dispersion relations for the generic 2D Schrodinger operators in magnetic field and lattice found in 1980 before the discovery of the Integral Quantum Hall Effect . 2. Topology of multivalued functions and functionals (closed 1-forms) gas constructed in 1981-2 . Morse theory and fundamental group, representations and von Neumann factors, Novikov-Shubin invariants . 3. Qualitative theory of the Einstein equation for Homogeneous Cosmological Models as a dynamical system near singularity constructed in 1971-3 . 4. Galvanomagnetic phenomena: universal generic asymptotics for the conductivity tensor of the 3D normal metal with complicated Fermi surface in the strong magnetic field (of the order of magnitude about 10-100t) was found . Solitons and Algebraic Geometry: 1. Periodic Problem for the KdV equation: large family of the exact 'finite-gap' solutions found based on the discovery of finite-gap (algebro-geometrical) 1D periodic potentials. Riemann surface, θ-functions [12, 13]. KP hierarchy and Krichever solutions found in 1976 as a basis for the Novikov Conjecture on the solution of Riemann-Schottki Problem for θ-functions. Inverse spectral problem for the 2D Schrodinger operators on a single energy level . Higher rank solutions for the KP hierarchy. Explicit calculation of the commuting higher rank linear OD operators, Krichever-Novikov equation . 2. Special Poisson brackets for the finite-dimensional integrable systems . Dubrovin-Novikov Hydrodynamic Type Poisson brackets based on the Riemannian Geometry discovered in 1983. Numerical and analytical integration of the Whitham systems with singularities, dispersive analog of shock wave . 3. Analog of the Laurent-Fourier decompositions on Riemann surface as a tool for the operator quantization of the bosonic strings for any number of loops . 4. Laplace Chains of the 2D Schrodinger operators, new exactly solvable cases in the magnetic field and lattice, discrete systems [16, 17]. Scattering theory on graphs developed on the basis of Symplectic Geometry 1997-8 .
 Homotopically equivalent smooth manifolds, I., Izv. Akad. Nauk SSSR, 28 (2), pp. 365-474 (1964);  On manifolds with free Abelian fundamental group and their application, Izv. Akad. Nauk SSSR, 30 (1), pp. 207-46 (1966);  Analogues hermitiens de la K-theorie, Actes Congr. Intern. Math (Nice, 1970), Gauthier-Villars, Paris, vol. 2, pp. 39-45 (1971);  Homotopy properties of Thom complexes, Mat. Sb., 57 (4), pp. 406-42 (1962);  Methods of algebraic topology from the point of view of cobordism theory, Izv. Akad. Nauk SSSR, 31 (4), pp. 885-951 (1967);  Formal groups and their role in the apparatus of algebraic topology (et al.), Uspekhi Mat. Nauk, 26 (2), pp. 131-54 (1971);  The topology of foliations, Trudy Moskov. Mat. Obshch, 14, pp. 248-78 (1965);  Bloch functions in a magnetic field and vector bundles. Typical dispersion relations and their quantum numbers, Dokl. Akad. Nauk SSSR, 257 (3), pp. 538-43 (1981);  The Hamiltonian formalism and a many-valued analogue of Morse theory, Uspekhi Mat. Nauk, 37 (5), pp. 3-49 (1982);  Morse inequalities and von Neumann 1-factors, Dokl. Akad. Nauk SSSR, 289 (2), pp. 289-92 (1986);  Topological Phenomena in Metals (with Maltsev, A.), Uspekhi Phys Nauk, 168 (3), pp. 249-58 (1998);  A periodic problem for the Korteweg-de Vries equations, I., Funktsional Anal. i Prilozhen., 8 (3), pp. 54-66 (1974);  Non-linear equations of Korteweg-de Vries type, finite zone linear operators, and Abelian varieties (et al.), Uspekhi Mat. Nauk, 31 (1), pp. 55-136 (1976);  Two-dimensional Schrödinger operators: Inverse scattering transform and evolutional equations (with Veselov, A.P.), Phys., D18, pp. 267-73 (1986);  Holomorphic bundles over algebraic curves and nonlinear equations (with Krichever, I.M.), Uspekhi Mat. Nauk, 35 (6), pp. 47-68 (1980);  Poisson brackets and complex tori, Trudy Mat. Inst. Steklov, 165, pp. 49-61 (1984);  Hydrodynamics of the soliton lattices. Differential geometry and Hamiltonian formalism (with Dubrovin, B.A.), Uspekhi Mat. Nauk, 44 (6), pp. 29-98 (1989);  Riemann surfaces, operator fields, strings. Analogues of the Fourier-Laurent bases (with Krichever, I.M.), Physics and Mathematics of Strings (L. Brink et al., eds), World Scientific, Singapore, pp. 356-88 (1990);  Spectral Symmetries of the Low-dimensional Schrödinger Operators and La place Transformations (with Dynnikov, I.A.), Russia Math Surveys, 52 (5), pp. 175-234 (1997);  Schrödinger Operators on Graphs and Symplectic Geometry, to appear in the Additional Volume of Arnoldfest, Toronto, Fields Institute;  Topology. 1. Encyclopedia of Mathematical Sciences, Springer Verlag, vol. 12, pp. 320 (1996);  Solitons and Geometry. Fermi lectures 1992, Scuola Norm. Sup. di Pisa, (1994);  Singularities of the cosmological model of the Bianchi IX type according to the qualitative theory of differential equations (with Bogoyavlenskii, O.I.), Zh. Eksper. Teoret. Fiz., 64 (5), pp. 1475-94 (1973). Latest articles: Dynamical Systems, Topology and Conductivity in Normal Metals, Journal of Statistical Physics, 2004, vol 115, iss 1-2, pp. 31-46 (16), (with A. Maltsev); Integable Systems. 1. Encyclopedia Math. Sciences, Dynamical Systems, v 4 (edited by V. Arnold and S. Novikov), 2nd exp. and rev. edition, pp. 177-332, Springer, 2001 (with B. Dubrovin and I. Krichever); Algebraic Topology. Modern Problems of Mathematics. Steklov Math Institute Series, pp. 1-46 (in Russian) A revised version of this article is published: Topology in the 20th Century: A view from inside, Uspekhi Math. Nauk=Russian Math Surveys, vol 59 (2004) n. 5; On the metric independent exotic homology, preprint. Proceedings (Trudy) of the Steklov Math Institute, vol 251 (2005), pp. 202-12; Topology of the quasiperiodic functions on the plane and dynamical systems, Uspekhi Math. Nauk, 2005, v. 60 n. 1 (with I. Dynnikov); Topology of foliations given by the real parts of holomorphic 1-forms (v. 1, 21 Jan 2005, rev. February 2005 and March 2005); Topology of the Generic Hamiltonian Foliations on the Riemann Surface. Math. GT/0505342, New version, Moscow Math. Journal (MMJ), vol 5 (2005), n. 3, pp. 633-67.
University of Maryland at College Park
Institute for Physical Science and Technology
College Park, MD 20742-2431 (USA)