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Geometric Topology Seminar
Math Department of the Higher School of Economics, Room 215, Moscow

The seminar is held by Thursdays from 14:00 to 16:50.

Topics from various areas of geometric topology, including low-dimensional topology, topology of manifolds, combinatorial topology, embedding theory, infinite-dimensional topology and shape theory.


Seminar schedule

RSS: Forthcoming seminars

Seminar Chairmen
Akhmet'ev Petr Mikhailovich
Lightfoot Ashley C
Melikhov Sergey Aleksandrovich
Shchepin Evgeny Vital'evich

Organizations
Steklov Mathematical Institute of Russian Academy of Sciences, Moscow
National Research University Higher School of Economics, Moscow


Geometric Topology Seminar, Moscow

June 7, 2018
1. Classification of PL-structures on a homotopy type by K-theory
I. Yakovlev
June 7, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108

May 17, 2018
2. Invariants on Hopf algebra of delta-matroids and Hopf algebra of Lagrangian subspaces that satisfy four-term relations
V. I. Zhukov
May 17, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108

May 10, 2018
3. Matroids and delta-matroids of graphs and embedded graphs, II
Alex Dunaykin
May 10, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108

April 26, 2018
4. Matroids and delta-matroids of graphs and embedded graphs
Alex Dunaykin
April 26, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108

April 19, 2018
5. Hexagon relations, their cohomologies, and invariants of 4-dimensional PL manifolds
N. M. Sadykov
April 19, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108

April 12, 2018
6. Limit of colimits versus colimit of limits II
S. A. Melikhov
April 12, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108

April 5, 2018
7. Limit of colimits versus colimit of limits
S. A. Melikhov
April 5, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108

March 22, 2018
8. О кривых Пеано
E. V. Shchepin
March 22, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108

March 15, 2018
9. An unlinking theorem for link maps in the 4-sphere
A. C. Lightfoot
March 15, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108

March 1, 2018
10. Introduction to Kirby diagrams of four-manifolds
A. C. Lightfoot
March 1, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108

February 22, 2018
11. Classifying link maps in the four-sphere (II)
A. C. Lightfoot
February 22, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108

February 15, 2018
12. Classifying link maps in the four-sphere
A. C. Lightfoot
February 15, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 215

December 14, 2017
13. Birman-Craggs and Johnson homomorphisms
Balaram Usov
December 14, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 209

December 7, 2017
14. The Volume Conjecture and the Chern-Simons Theory
I. Yakovlev
December 7, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 209

November 30, 2017
15. Milnor invariants, Orr invariants and slicing obstructions II
Denis Tereshkin
November 30, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 209

November 23, 2017
16. Milnor invariants, Orr invariants and slicing obstructions
Denis Tereshkin
November 23, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 209

November 16, 2017
17. Barannikov's approach to Morse theory on manifolds with boundary
Mikhail Tyomkin
November 16, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 209

November 9, 2017
18. Applications of 2-braids via chart diagrams
A. C. Lightfoot
November 9, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 209

November 2, 2017
19. Conservation of energy in lattice field theories
M. B. Skopenkov
November 2, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 209

October 26, 2017
20. Projected embeddings
S. A. Melikhov
October 26, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 209

October 19, 2017
21. Manifolds defined by right-angled 3-dimensional polytopes
T. E. Panov
October 19, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 209

October 12, 2017
22. Rectangular diagrams of knots and a 'brute force' method to distinguish Legendrian knots
I. A. Dynnikov
October 12, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 209

October 5, 2017
23. Weighted transition polynomial as a weight system
Alex Dunaykin
October 5, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 209

September 21, 2017
24. Quadratic Helicity in MHD
P. M. Akhmet'ev
September 21, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 108

September 7, 2017
25. Milnor's link-homotopy invariants for handlebody-links
Yuka Kotorii
September 7, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 108

August 31, 2017
26. On $\Delta$-link homotopy
Yuka Kotorii, S. A. Melikhov
August 31, 2017 17:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 108

August 10, 2017
27. Тонкий шейп и теоремы единственности для гомологий и когомологий польского пространства
S. A. Melikhov
August 10, 2017 14:00, Moscow, Steklov Mathematical Institute, room 534

August 3, 2017
28. A combinatorial formula for M-invariant
P. M. Akhmet'ev
August 3, 2017 14:00, Moscow, Steklov Mathematical Institute, room 534

July 20, 2017
29. $\Delta$-link homotopy of links in $S^3$ and invariants of link maps in $S^4$
S. A. Melikhov
July 20, 2017 15:00, Moscow, Steklov Mathematical Institute, room 534

March 23, 2017
30. Eliminating higher-multiplicity intersections in the metastable dimension range
A. B. Skopenkov
March 23, 2017 14:00, Moscow, Steklov Mathematical Institute, room 534

February 2, 2017
31. The triviality of a certain secondary invariant of link homotopy in dimension 4
Ashley Lightfoot
February 2, 2017 14:00, Moscow, Steklov Mathematical Institute, room 534

September 28, 2016
32. Регулярная гомотопность погружений графов в поверхность
D. A. Permyakov
September 28, 2016 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 1324

September 2, 2016
33. Minimizing intersection points of loops on a surface and the Andersen-Mattes-Reshetikhin Poisson bracket.
V. V. Chernov
September 2, 2016 13:00, Moscow, Steklov Mathematical Institute, room 534

April 7, 2016
34. О стягиваемых окрестностях в группе гомеоморфизмов многообразия
A. V. Chernavskii
April 7, 2016 14:30, Moscow, Steklov Mathematical Institute, room 534

March 26, 2015
35. Пространство наборов различных точек и контрпример к топологической проблеме Тверберга.
A. B. Skopenkov
March 26, 2015 11:00, Moscow, Steklov Mathematical Institute, room 534

February 19, 2015
36. Регулярная гомотопность погружений графов в поверхность
D. A. Permyakov
February 19, 2015 11:00, Moscow, Steklov Mathematical Institute, room 534

January 8, 2015
37. Теорема Громова о симплектической несжимаемости
D. I. Tonkonog
January 8, 2015 11:00, Moscow, IUM, room 303

November 13, 2014
38. Проблема Веста об экспоненте группы Ли и универсальные G-пространства Пале
S. M. Ageev
November 13, 2014 11:00, Moscow, Steklov Mathematical Institute, room 534

October 2, 2014
39. Об изотопической классификации зацеплений из трехмерной сферы S3 и трехмерного тора S1xS2 в шестимерном пространстве
S. N. Avvakumov
October 2, 2014 11:00, Moscow, Steklov Mathematical Institute, room 534

September 30, 2014
40. On knots transverse to a vector field
V. V. Chernov
September 30, 2014 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 12-26

September 16, 2014
41. Вложения проколотых n-многообразий в (2n-1)-мерное пространство.
D. I. Tonkonog
September 16, 2014 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 1226

September 11, 2014
42. Classification of Knotted tori
A. B. Skopenkov
September 11, 2014 11:00, Moscow, Steklov Mathematical Institute, room 534

December 27, 2013
43. Теорема Мадсена-Вайса
R. R. Sadykov
December 27, 2013 15:00, Moscow, Steklov Mathematical Institute, room 534

December 10, 2013
44. О двумерном клеточно-подобном контиууме Пеано
U. H. Karimov
December 10, 2013 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 1224

November 5, 2013
45. О пространстве локально плоских вложений многообразий
A. V. Chernavskii
November 5, 2013 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 1208

October 22, 2013
46. A problem of Kolmogorov, and sheaves
S. A. Melikhov
October 22, 2013 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 12-08

October 10, 2013
47. Universal spaces in the sense of Palais
S. M. Ageev
October 10, 2013 14:00, Moscow, Steklov Mathematical Institute, Room 534 (8 Gubkina st.)

December 21, 2012
48. Theorems on homological stability of groups
R. R. Sadykov
December 21, 2012 16:00, Moscow, Steklov Mathematical Institute, room 534

August 8, 2012
49. Cosmic censorship of smooth structures and integer valued metrics on spacetimes
V. V. Chernov
August 8, 2012 12:00, Moscow, Steklov Mathematical Institute, room 534
50. Quantum invariants of virtual knots, reductive relations, and graphs
V. O. Manturov
August 8, 2012 14:05, Moscow, Steklov Mathematical Institute, room 534

August 3, 2012
51. Higher Franz-Reidemeister torsions and analytic torsions, after Igusa and Gette
G. I. Sharygin
August 3, 2012 12:00, Moscow, Steklov Mathematical Institute, room 534
52. Topology and stratification of spaces of smooth functions with prescribed singularities on surfaces
E. A. Kudryavtseva
August 3, 2012 14:00, Moscow, Steklov Mathematical Institute, room 534

June 14, 2012
53. On non-immersibility of $RP^{10}$ to $R^{15}$
P. M. Akhmet'ev, O. D. Frolkina
June 14, 2012 14:30, Moscow, Steklov Mathematical Institute, room 534

April 17, 2012
54. Combinatorics of collapsible polyhedra and maps
S. A. Melikhov
April 17, 2012 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 12-06

April 6, 2012
55. Higher Reidemeister torsion (after K. Igusa et al.)
G. I. Sharygin
April 6, 2012 18:15, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 1212

December 6, 2011
56. Combinatorial piecewise-linear Steenrod bundles and fragmentation of a fiberwise homeomorphism
N. E. Mnev
December 6, 2011 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept., 2nd GUM Building, Room 409

November 18, 2011
57. Existence of universal Groebner bases - topological proof
D. A. Stepanov
November 18, 2011 17:00, Moscow, Steklov Mathematical Institute, room 534

November 1, 2011
58. On geometry of the index $8$ subgroup of the third stable stem.
S. A. Melikhov
November 1, 2011 15:30, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 1206

October 25, 2011
59. Characteristic classes of combinatorial objects: twisting cochain and Igusa's constructions
G. I. Sharygin
October 25, 2011 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 1206

July 25, 2011
60. Twisting cochain and characteristic classes of combinatorial objects
G. I. Sharygin
July 25, 2011 12:00, Moscow, Steklov Mathematical Institute, room 534

July 21, 2011
61. Uniform polyhedra
S. A. Melikhov
July 21, 2011 14:30, Moscow, Steklov Mathematical Institute, room 534

June 15, 2011
62. Calculus of functors on manifolds
V. É. Turchin
June 15, 2011 16:00, Moscow, Steklov Mathematical Institute, room 534
63. Uniform polyhedra
S. A. Melikhov
June 15, 2011 18:00, Moscow, Steklov Mathematical Institute, room 534

May 31, 2011
64. Homotopy type of the space of Morse functions on surfaces. Part 2 (Complexes of Morse functions; examples; idea of proof; a description of the cohomology ring)
E. A. Kudryavtseva
May 31, 2011 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 12-07 (13-24)

May 24, 2011
65. Homotopy type of the space of Morse functions on surfaces
E. A. Kudryavtseva
May 24, 2011 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 12-07 (13-24)

May 3, 2011
66. On the problem of delooping of knot spaces
V. É. Turchin
May 3, 2011 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 12-07

April 19, 2011
67. The combinatorial viewpoint in algebraic K-theory of spaces
S. A. Melikhov
April 19, 2011 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 12-07

March 1, 2011
68. Оn a proof of Shtan$'$ko's theorem on 1-ULC approximation of codimension 1 submanifolds
A. V. Chernavskii
March 1, 2011 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 12-07

February 22, 2011
69. Rational homotopy of spaces of multi-dimensional long knots $\mathbb R^m\to\mathbb R^N$, $N\ge 2m+2$ (continued)
V. É. Turchin
February 22, 2011 15:00, Moscow, Lomonosov Moscow State University, Mech.-math. Dept. 12-07

February 4, 2011
70. Rational homotopy of spaces of multi-dimensional long knots $\mathbb R^m\to\mathbb R^N$, $N\ge 2m+2$
V. É. Turchin
February 4, 2011 16:30, Moscow, Steklov Mathematical Institute, room 534

January 19, 2011
71. Correction of Shtan'ko's original proof of the Ancel–Cannon theorem on locally flat approximation of codimension 1 embeddings of manifolds (continued)
A. V. Chernavskii
January 19, 2011 12:00, Moscow, Steklov Mathematical Institute, room 534

December 24, 2010
72. Group completion of moduli spaces
R. R. Sadykov
December 24, 2010 17:00, Moscow, Steklov Mathematical Institute, room 534
 
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