Seminar on low-dimensional mathmatics
List of talks

2001:

 1   * September 28: S.K.Lando (IUM, Moscow). Galois group acting on graphs.
 2   * October 5: S.V.Duzhin (PDMI, SPb). A dozen low-dimensional problems
 3   * October 12: O.Karpenkov (MSU-IUM, Moscow). Energy of a knot.
 4   * October 19: Yu.V.Matiyasevich (PDMI, SPb). Some Probabilistic
       Restatements of the Four Color Conjecture.
 5   * October 26: S.Orevkov (MIAN, Moscow -- Toulouse, France). Recent
       results on Hilbert's 16th Problem.
 6   * November 2: V.Makeev (SPb University). Inscribed and circumscribed
       polyhedra and sections of convex bodies.
 7   * November 9: E.B.Vinberg (MSU-IITP, Moscow). On largeness of
       hyperbolic discrete groups
 8   * November 16: G.Panina (IIAS, SPb). Virtual polytopes and some
       classical problems of geometry.
 9   * November 23: G.Mikhalkin (PDMI, SPb and Univ. of Utah, USA).
       Algebraic varieties and their amoebas.
10   * November 30: A.S.Gasparyan (Pereslavl-Zalessky). A generalization
       of A.D.Alexandrov's inequality about mixed discriminants of
       quadratic forms.
11   * December 7th: A.B.Sossinsky (IUM, Moscow). Could the Poincare
       Conjecture be false?
12   * December 14th: I.S.Krasilschik (IUM, Moscow). Geometry of
       differential equations and their algebraic invariants.
13   * December 21st: A.M.Vershik (PDMI, SPb). Universality and Universal
       Objects (Urysohn's Space, Hall's Group, Erd\os' Graph).

2002:

14   * March 8: A.Nazarov (St.Petersburg). Several one-dimensional
       variational problems.
15   * March 15: G.Litvinov (Moscow). Integral Geometry and hypergroups.
16   * March 22: A.Malyutin (St.Petersburg). The action of mapping class
       groups on one-dimensional manifolds.
17   * March 29: M.Kazarian (Moscow). Multisingularities and cobordisms.
18   * April 5: Yu.S.Ilyashenko (Moscow). Centennial history of
       Hilbert's sixteenth problem.
19   * April 12: T.Panov (Moscow). Combinatorial aspects of torus actions.
20   * April 26: B.Kruglikov (Tromso, Norway). 
       Mayer brackets and solvablity of scalar PDEs.
21   * May 10: A.Skopenkov (Moscow). Knotted tori.
22   * May 17: P.Svetlov (SPb). Difference equations on graphs and
       geometry of 3-manifolds.
23   * May 24: E.Kudryavtseva (Moscow), D.Gonsalves (Sao-Paolo),
       H.Zieschang (Bochum). On the homotopy intersection index of
       curves on surfaces.
24   * June 7: I.Itenberg (Rennes). Around the Ragsdale conjecture.
25   * June 14: V.A.Yumaguzhin (Pereslavl-Zalessky). On the
       classification of linear ordinary differential equations.
26   * June 21: S.Chmutov (Ohio State). Knots and plane immersed curves.
27   * August 23: J.-P.Brasselet (Marseille).
       Toric varieties and singularities.
28   * October 4: G.Mikhalkin (SPb--SLC). Gromov-Witten invariants and
       lattice paths in polygons.
29   * October 11: V.Sedykh (Moscow). Topology of corank 1 singularities
       of a generic wave front.
30   * October 18: D.Siersma (Utrecht). Minimal Round Functions on
       Low-Dimensional Manifolds.
31   * October 25: P.Pushkar' (Moscow). Invariants of Legendrian knots
       and Arnold's conjecture about four cusps.
32   * November 1: S.Duzhin. Several low-dimensional problems.
33   * November 8: S.Lando (Moscow). Ramified coverings of the sphere
       and the geometry of moduli spaces of curves.
34   * November 15: A.Nazarov (St.Petersburg). Non-uniqueness of
       Solutions to the Reaction-Diffusion Equation in a Spherical Layer,
       or Why is 3-Space so Special?
35   * November 22: V.Fock (SPb--Moscow). Generalized Teichmuller spaces.
36   * November 29: A.Khovanskii (Moscow--Toronto). Multidimensional
       topological version of Galois theory.
37   * December 6: V.Kalnitski (SPb). Generalized Lagrange's equation:
       solvability and properties of solutions.
38   * December 13: S.Duzhin (SPb). Kontsevich's integral and identities
       for infinite series.
39   * December 20: S.Gusein-Zade (Moscow). Exponential functions of
       algebraic varieties.
40   * December 30: O.Viro (SPb--Uppsala). Tropical geometries. 

2003:

41   * February 7: G.Khimshiashvili (Tbilisi--Lodz). Low-dimensional
       fibers of real polynomial mappings.
42   * February 14: A.Inshakov (Moscow). Manifolds of secants of
       projective algebraic varieties.
43   * February 28: Guy Roos (St.Petersburg). Generalization of an
       integral of Hua Loo-keng.
44   * March 7: N.Vasiliev (St.Petersburg). Monomial orderings and
       Groebner walk.
45   * March 14: David Bessis (Lyon-Moscow). Presentations for braid
       groups of complex reflection groups.
46   * March 21: Vitaly Tarasov (St.Petersburg). Selberg type integrals
       associated with the Lie algebra $sl_3$.
47   * March 28: G.Litvinov (Moscow). Dequantization of mathematics.
48   * April 4: M.Vinogradov (Moscow). Algebraic differential calculus
       over modules and dioles.
49   * April 11: Gayane Panina (SPb). An old conjecture on the
       characterization of a sphere.
50   * April 18: Oleg Musin (Moscow). Kissing number in dimension 4.
51   * April 25: S.Mechveliani (Pereslavl-Zalessky). Automatic proof
       using induction and the algebra of equalities.
52   * May 28 Vladlen Timorin (Moscow--Toronto). Circles, Quadratic Maps
       Between Spheres and Representations of Clifford Algebras.
53   * June 6: V.Malyshev (Rybinsk). Periods of quadratic
       irrationalities and torsion of elliptic curves.
54   * June 13: V.Fock (Moscow--SPb--USA). Pentagon and dilogarithm.
55   * June 20: V.Turchin (Moscow). (Co)homology of the space of knots.
56   * June 27: P.Pushkar' (Moscow).
       Morse theory on manifolds with boundary.
57   * July 4: P.Etingof (Massachusets). Double affine Hecke algebras of
       rank 1 and affine cubic surfaces.
58   * July 11: P.Bressler (Arizona). Combinatorics of polytopes and
       Goreski--McPherson cohomology.
59   * July 25: G.Ziegler (TU-Berlin). f-vectors of 3-spheres and
       4-polytopes. 
60   * September 5: V.Chernov (Dartmouth). Affine linking numbers and
       their application to the study of front propagations.
61   * September 12: I.A.Pushkar' (Moscow). Complex analysis and
       elementary geometry.
62   * September 19: G.Khimshiashvili (in statu movendi). Quaternions in
       some problems of low-dimensional geometry.
63   * December 19: V.Alexandrov (Novosibirsk). Flexible polytopes:
       achievements and open problems.
64   * December 25: M.Anzin (Moscow). New results on lattices and 
       sphere packings.

2004:

65   * January 9, 2004: D.A.Timashev (Moscow). Complexity of homogeneous
       spaces and growth of multiplicities of irreducible representations.
66   * January 16, 2004: A.Nazarov and A.Vakulenko (SPb). Solution of two
       low-dimensional problems.
67   * January 23, 2004: V.Sokolov (Moscow). Direct sum decomposition of
       the current algebra over so(3) and integrable tops.
68   * January 30, 2004: Guy Roos (SPb). Compactification and volume of
       bounded symmetric domains.
69   * February 13, 2004: P.Zograf (SPb). On the number of Hamiltonian
       cycles in graphs.
70   * April 16, 2004: S.Duzhin (SPb). On the ratio of two particular
       solutions of a certain ordinary differential equation.
71   * April 23, 2004: S.Lando (Moscow). Applications of global theory
       of singularities to intersection theory of Hurwitz spaces and
       universal polynomials.
72   * April 30, 2004: A.Malyutin (SPb). Pseucharacters of braid groups.
73   * Mat 6, 2004: Florent Hivert (Universit\'e Marne-la-Vall\'ee).
       Computer aided research in combinatorics with MuPAD-Combinat
74   * June 18, 2004: Yu.Bilu (Bordeaux). Diophantine equations with
       separated variables.
75   * June 25, 2004: V.Lychagin (Tromso). Integrability and
       compatibility of partial differential equations.
76   * July 2, 2004: Susumu Tanabe (IUM, Moscow). Generalized
       hypergeometric functions related to complete intersections.
77   * September 3, 2004: S.Finashin (Turkey). Topology of surfaces in
       four-dimensional manifolds.
78   * September 10, 2004: G.Panina (SPb). On A.D.Alexandrov's
       conjecture, hyperbolic polytopes and hyperbolic fans.
79   * September 24, 2004: V.Fock (Moscow--SPb). Cluster structure for
       Lie groups.
80   * October 1, 2004: P.Svetlov (SPb). Skein relations in dimension 3/2.
81   * October 15, 2004: A.Malyutin (SPb). Destabilization in braid groups.
82   * October 29, 2004: Guy Roos (SPb). Invariant metrics on bounded
       complex domains.
83   * November 5, 2004: A.Nazarov (SPb). Random processes and whatnot.
84   * December 3, 2004: N.Markaryan (Orel). Generalized Duflo formula.
85   * December 17, 2004: D.Kaledin (Moscow). Quantization in
       characteristic p.
86   * December 24, 2004: I.Izmestiev (Berlin). On the hull numbers of
       torus links.

2005:

87   * March 4, 2005: D.Zvonkine (Paris). Generating functions for the
       enumeration of branch coverings of the sphere.
88   * March 18, 2005: M.Prokhorova (Ekaterinburg). Factorization of
       nonlinear parabolic equations.
89   * March 25, 2005: S.Buyalo (St.Petersburg). Cross ratio, Moebius
       and quasi-Moebius maps.
90   * April 8, 2005: A.Kushner (Astrakhan--Moscow). Symplectic
       invariants and a classification of Monge-Ampere equations.
91   * April 15, 2005: A.Malyutin (SPb). A generalization of the Poincare
       theorem about homeomorphisms of a circle.
92   * April 22, 2005: A.Esterov (Moscow). Newton diagrams, Poincare-Hopf
       indices, and resultants.
93   * May 6, 2005: A.Khoroshkin (Moscow). A Klyachko formula for the
       operad with two commuting Lie brackets.
94   * May 20, 2005: F.Duzhin (Moscow). Periodic trajectories of
       generalized billiards.
95   * June 3, 2005: M.Babich. Correspondence between ordinary
       differential equations and Hamiltonian systems.
96   * June 10, 2005: V.Fock. Cluster varieties, 3D topology and number
       fields.
97   * June 17, 2005: S.Duzhin. Detecting link orientation by finite type
       invariants.
98   * June 24, 2005: A.A.Makhnev (Ekaterinburg). Automorphisms of
       distance regular graphs.
99   * September 2, 2005: D.Panov (Europe). Polyhedral Kaeler manifolds.
100  * September 9, 2005: V.Chernov (Dartmouth, US). Relative framings
       of transverse knots.
101  * September 16, 2005: V.Manturov (Moscow). Vassiliev's conjecture
       on planarity of singular links and finite-type invariants.
102  * September 23, 2005: N.Yu.Netsvetaev (SPb). The cube conjecture
       and a non-integrable analogue of the Dvoretsky theorem.
103  * October 7, 2005: V.Fock (ITEP, Moscow). Combinatorics of cluster
       varieties.
104  * October 14, 2005: R.Uribe-Vargas (Paris-Moscow). Topology of
       Dynamical Systems in Finite Groups and Number Theory.
105  * October 28, 2005: V.Poberezhnyi (ITEP, Moscow). Fuchsian systems,
       Riemann-Hilbert problem, isomonodromian deformations and Painleve
       equations.
106  * November 11, 2005: S.Duzhin (SPb). Categorification of the
       chromatic polynomial (review).
107  * November 25, 2005: M.Balazard (Bordeaux--Moscou). On the distance
       between adjacent prime numbers.
108  * December 9, 2005: M.Gavrilovich (SPb--Oxford). Homotopical
       approach to some arithmetical questions.
109  * December 26, 2005: M.Skopina (SPb). Construction of wavelet 
       systems and the problem of Serre.

2006:

110  * February 17, 2006: Jacob Mostovoy (Mexico). Generalized crossing
       changes and Vassiliev invariants.
111  * February 24, 2006: Andrei Malyutin (SPb, PDMI). On the structure
       of the Markov graph of a knot.
112  * March 3, 2006: Maxim Vsemirnov (SPb, PDMI). Is the group SL(6,Z)
       (2,3)-generated?
113  * March 10, 2006: Vladimir Nezhinzkij (SPb, SPbPU).
       Higher-dimensional analog of Goussarov's knot theory.
114  * March 17, 2006: Gaiane Panina (SPb). On non-isotopic saddle surfaces.
115  * March 24, 2006: Yves Laszlo (Paris).
       Representations of the fundamental groups of algebraic curves in
       positive characteristic.
116  * March 31, 2006: Sergei Anisov (Utrecht). Combinatorics of cut loci
       in lens manifolds.
117  * April 21, 2006: Dmitry Zaporozhets (PDMI). On the roots of a
       random polynomial.
118  * April 28, 2006: Evgeny Stepanov (ITMO). Optimal irrigation and
       one-dimensional transport networks: a geometric approach.
119  * May 12, 2006: Misha Verbitsky (Moscow).
       Sasakian manifolds.
120  * May 19, 2006: Andrei Losev (Moscow). The language of 
       Batalin--Vilkovisky and a new understanding of symmetry.
121  * June 2, 2006: V.Meshkov, A.M.Omelchenko (SPb). On twice periodic 
       structures and knot invariants.
122  * June 16, 2006: P.Svetlov, T.Bereznyak (POMI). A new estimate for the distortion 
       of a knotted curve.
123  * June 19, 2006: H.Gluck (UPenn). The Full Converse to the Four Vertex Theorem.
124  * July 7, 2006: Vasilisa Shramchenko (Concordia, Canada). Frobenius structures on 
       Hurwitz spaces.
125  * November 17, 2006: Maxim Karev (PDMI). Tic-tac-toe, or Combinatorial
       Floer homology
126  * November 24, 2006: Emil Akhmedov (ITEP). Exponentiation of cubical
       matrices.
127  * December 1, 2006: Pavel Mnev (PDMI). Computation of action in
       simplicial BF theory.
128  * December 15, 2006: Katia Amerik (Paris--Moscow). Regular and rational maps 
       between complex projective varieties.
129  * December 22, 2006: Alexander Chervov (ITEP).
       Quantum integrable systems, quantum spectral curves and Langlands correspondence.
130  * December 29, 2006: Mark Rudelson (University of Missouri-Columbia). 
       Singular values of a random matrix and applications to convexity. 

2007:

131  * January 12, 2007: A.L.Smirnov (PDMI). An excursion to the Arakelov
       geometry.
132  * Febuary 23, 2007: G.Panina. Universality theorem for 4-polytopes.
133  * March 2, 2007: S.V.Duzhin. Formulas on napkins.
134  * March 9, 2007: N.Markarian. Non-Abelian Hodge theory. 
135  * March 16, 2007: T.Kojima (Tokyo). The Integrals of Motion for the 
       Deformed W-algebra.
136  * March 23, 2007: A.Kustarev (Moscow). Thom polynomials of singularities, 
       ramified coverings and cobordisms.
137  * April 13, 2007: M.Karev. Floer homology of an extended link.
138  * April 20, 2007: A.Smirnov. Excursion to the Arakelov geometry 
       (continued).
139  * October 12, 2007: M.Knyazeva. A new example of a hyperbolic polytope.
       N.Kalinin. Exotic smooth structures.
140  * October 17, 2007: V.Guba (Vologda). Groups of diagrams.
141  * November 2, 2007: G.Khimshiashvili. Holomorphic curves in loop spaces.
142  * December 28, 2007: F.Duzhin (Singapore). Braids and homotopy groups 
       of spheres.

2008:

143  * February 22, 2008: S.V.Ivanov. Rafimied foliations and their applications.
144  * March 14, 2008: S.V.Duzhin. A summary of Arnold's problems--2008.
145  * April 11, 2008: S.Arkhipov (Toronto). A finite-dimensional contsruction 
       of a canonical gerbe on a complex Lie group.
146  * April 24, 2008: D.Zvonkine (Paris-Moscow). Embedded graphs and spiders.
147  * July 4, 2008: Ileana Streinu (Smith College, USA). Recent results in 
       Combinatorial Rigidity Theory.
148  * July 11, 2008: Ciprian Borcea (Rider University, USA). Tangents to 
       spheres and transversals to balls.
149  * August 1, 2008: Oleg R. Musin (Moscow--USA). Spherical two-distance 
       sets.
150  * August 22, 2008: Oleg Karpenkov (Moscow--Leiden). Lattice trigonometry.
151  * September 12, 2008: Ilya Vyugin (Moscow). Inverse monodromy problems 
       and holomorphic bundles with connection.
152  * November 7, 2008: Sergei Galtsev (Moscow). Complex Lagrangian 
       manifolds and Stokes lines.
153  * November 14, 2008: Giorgi Khimshiashvili (Tbilisi). Special 
       configurations of plane linkages.
154  * November 28, 2008: Pavel Mnev. Invariants of manifolds from the 
       effective action for the Chern-Simons theory.
155  * December 5, 2008: Grigory Mikhalkin (Geneva). Realizability of 
       tropical objects.

2009:

156  * March 6, 2009: Evg.Gorsky (Moscow). Motivic Poincare series 
       and knot invariants.
157  * March 13, 2009: Andrei Malyutin. On geodesics on hyperbolic
       surfaces.
158  * March 27, 2009: Evgeny Smirnov. Mupltiple flag varieties.
159  * April 10, 2009: Mark Spivakovsky (Toulouze). Pierce--Birkhoff 
       conjecture.
160  * April 17, 2009: Alexander Gaifullin. Local combinatorial formulae 
       for the Pontrjagin classes of triangulated manifolds.
161  * April 24, 2009: Vassily Golyshev. Prototypes and the "polynomial 
       Riemann's hypothesis".
162  * June 26, 2009: Oleg Musin. Strict problem of 13 balls.
163  * October 2, 2009: S.Duzhin. Short circuit closure, Conway polynomial 
       and Drinfeld associator.
164  * November 13, 2009: N.Vavilov. Monoid of seeweeds.
165  * November 20, 2009: S.Soloviev (Touluse). Categorical interpretation 
       of logical inference with applications in algebra.
166  * December 4, 2009: M.Vsemirnov. Diophantine coding and generalized 
       Cantor polynomials.
167  * December 25, 2009: V.Fock. Geometric quantization of cluster manifolds.

2010:

168  * January 4, 2010: V.Fock. Geometric quantization of cluster manifolds
       (continued).
169  * January 8, 2010: M.Vsemirnov. Diophantine coding and generalized  
       Cantor polynomials (continued).
170  * May 14, 2010: S.Duzhin. A formula of M.Shkolnikov for the HOMFLY 
       polynomial of rational links.
171  * June 11, 2010: O.Musin. Four-vertex theorems for polygons and polyhedra.
172  * June 18, 2010: Vladimir Chernov (Dartmouth, USA). Refocussing and 
       $\tilde Y^x$-manifolds.
173  * July 30, 2010: Dmitry Beliaev (Princeton, USA). Lattice models and 
       Schramm-Loewner equation (SLE)
174  * September 3, 2010: Andrei Kustarev (Moscow). Almost complex quasitoric 
       varieties.
175  * September 24, 2010: Alexander Kuznetsov (Moscow). Derived categories 
       of 4-dimensional cubics and their rationality.

2011:

176  * April 13, 2011: Mikhail Skopenkov (Moscow). 
       When is the set of (p1,..,pr,m)-links finite?

177  * May 4, 2011: Fedor Petrov (PDMI). 
       Characters of countable permutation groups.

178  * June 17, 2011. Sergei Duzhin (PDMI). Bipartite graphs, 
       perfect matchings and Conway polynomial.

179  * December 30, 2011. S.Duzhin, M.Shkolnikov. On some skein relations.


2013:

180  * October 25, 2013. M.Karev. Matroids, graphs and vector spaces.

181  * November 1, 2013. Pavel Mnev.
Chern-Simons theory on 3-manifolds with boundary.

182  * November 15, 2013. N.E Mnev.
Cobminatorics of fiber bundles with fiber an oriented circle.

183  * November 22, 2013. M.Karev.
Expression of double Hurwitz numbers through Gauss type integrals.

184  * December 13, 2013. Evg.Smirnov (Moscow).
Plane curves and L-spaces.

185  * December 20, 2013. A.Smolensky (SPbGU).
Expansion and bounded generation in linear groups.


2014:

186  * January 3, 2014. V.Fock (Strasbourg-Moscow-Komarovo).
Discrete Dirac operator and integrable systems.

187  * January 17, 2014. M.Karev. Gauss type integrals and Hurwitz numbers.

188  * March 14, 2014. B.Brychkov (HSE). On the number of ramified 
coverings of a sphere with ramification over fixed points.

189  * April 11, 2014. Ivan Panin (PDMI).
On a conjecture of Colliot-The'l`ene concerning quadratic spaces.

190  * September 12, 2014. A.L.Smirnov (PDMI).
Three-dimensional view on number theory.