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

Geometric Topology Seminar, Moscow 


October 15, 2018 (Mon) 

1. 
Spaces of isospectral Hermitian matrices having zeroes at prescribed positions A. A. Ayzenberg October 15, 2018 15:30, Moscow, Math Department of the HSE (Usachyova, 6), room 212






October 1, 2018 (Mon) 

2. 
Corrected derived limits, or How to expel set theory from algebraic topology (part II) S. A. Melikhov October 1, 2018 15:30, Moscow, Math Department of the HSE (Usachyova, 6), room 212






September 24, 2018 (Mon) 

3. 
Corrected derived limits, or How to expel set theory from algebraic topology S. A. Melikhov September 24, 2018 15:30, Moscow, Math Department of the HSE (Usachyova, 6), room 212






June 7, 2018 (Thu) 

4. 
Classification of PLstructures on a homotopy type by Ktheory I. Yakovlev June 7, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108






May 17, 2018 (Thu) 

5. 
Invariants on Hopf algebra of deltamatroids and Hopf algebra of Lagrangian subspaces that satisfy fourterm relations V. I. Zhukov May 17, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108






May 10, 2018 (Thu) 

6. 
Matroids and deltamatroids 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 (Thu) 

7. 
Matroids and deltamatroids 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 (Thu) 

8. 
Hexagon relations, their cohomologies, and invariants of 4dimensional PL manifolds N. M. Sadykov April 19, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108






April 12, 2018 (Thu) 

9. 
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 (Thu) 

10. 
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 (Thu) 

11. 
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 (Thu) 

12. 
An unlinking theorem for link maps in the 4sphere A. C. Lightfoot March 15, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108






March 1, 2018 (Thu) 

13. 
Introduction to Kirby diagrams of fourmanifolds A. C. Lightfoot March 1, 2018 14:00, Moscow, Math Department of the Higher School of Economics, Room 108






February 22, 2018 (Thu) 

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






February 15, 2018 (Thu) 

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






December 14, 2017 (Thu) 

16. 
BirmanCraggs 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 (Thu) 

17. 
The Volume Conjecture and the ChernSimons Theory I. Yakovlev December 7, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 209






November 30, 2017 (Thu) 

18. 
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 (Thu) 

19. 
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 (Thu) 

20. 
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 (Thu) 

21. 
Applications of 2braids 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 (Thu) 

22. 
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 (Thu) 

23. 
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 (Thu) 

24. 
Manifolds defined by rightangled 3dimensional 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 (Thu) 

25. 
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 (Thu) 

26. 
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 (Thu) 

27. 
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 (Thu) 

28. 
Milnor's linkhomotopy invariants for handlebodylinks Yuka Kotorii September 7, 2017 14:00, Moscow, Math Department of the Higher School of Economics (Usachyova, 6), Room 108






August 31, 2017 (Thu) 

29. 
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 (Thu) 

30. 
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 (Thu) 

31. 
A combinatorial formula for Minvariant P. M. Akhmet'ev August 3, 2017 14:00, Moscow, Steklov Mathematical Institute, room 534






July 20, 2017 (Thu) 

32. 
$\Delta$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 (Thu) 

33. 
Eliminating highermultiplicity intersections in the metastable dimension range A. B. Skopenkov March 23, 2017 14:00, Moscow, Steklov Mathematical Institute, room 534






February 2, 2017 (Thu) 

34. 
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 (Wed) 

35. 
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 (Fri) 

36. 
Minimizing intersection points of loops on a surface and the AndersenMattesReshetikhin Poisson bracket. V. V. Chernov September 2, 2016 13:00, Moscow, Steklov Mathematical Institute, room 534






April 7, 2016 (Thu) 

37. 
О стягиваемых окрестностях в группе гомеоморфизмов многообразия A. V. Chernavskii April 7, 2016 14:30, Moscow, Steklov Mathematical Institute, room 534






March 26, 2015 (Thu) 

38. 
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 (Thu) 

39. 
Регулярная гомотопность погружений графов в поверхность D. A. Permyakov February 19, 2015 11:00, Moscow, Steklov Mathematical Institute, room 534






January 8, 2015 (Thu) 

40. 
Теорема Громова о симплектической несжимаемости D. I. Tonkonog January 8, 2015 11:00, Moscow, IUM, room 303






November 13, 2014 (Thu) 

41. 
Проблема Веста об экспоненте группы Ли и универсальные Gпространства Пале S. M. Ageev November 13, 2014 11:00, Moscow, Steklov Mathematical Institute, room 534






October 2, 2014 (Thu) 

42. 
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 (Tue) 

43. 
On knots transverse to a vector field V. V. Chernov September 30, 2014 15:00, Moscow, Lomonosov Moscow State University, Mech.math. Dept. 1226






September 16, 2014 (Tue) 

44. 
Вложения проколотых nмногообразий в (2n1)мерное пространство. D. I. Tonkonog September 16, 2014 15:00, Moscow, Lomonosov Moscow State University, Mech.math. Dept. 1226






September 11, 2014 (Thu) 

45. 
Classification of Knotted tori A. B. Skopenkov September 11, 2014 11:00, Moscow, Steklov Mathematical Institute, room 534






December 27, 2013 (Fri) 

46. 
Теорема МадсенаВайса R. R. Sadykov December 27, 2013 15:00, Moscow, Steklov Mathematical Institute, room 534






December 10, 2013 (Tue) 

47. 
О двумерном клеточноподобном контиууме Пеано U. H. Karimov December 10, 2013 15:00, Moscow, Lomonosov Moscow State University, Mech.math. Dept. 1224






November 5, 2013 (Tue) 

48. 
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 (Tue) 

49. 
A problem of Kolmogorov, and sheaves S. A. Melikhov October 22, 2013 15:00, Moscow, Lomonosov Moscow State University, Mech.math. Dept. 1208






October 10, 2013 (Thu) 

50. 
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 (Fri) 

51. 
Theorems on homological stability of groups R. R. Sadykov December 21, 2012 16:00, Moscow, Steklov Mathematical Institute, room 534






August 8, 2012 (Wed) 

52. 
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





53. 
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 (Fri) 

54. 
Higher FranzReidemeister torsions and analytic torsions, after Igusa and Gette G. I. Sharygin August 3, 2012 12:00, Moscow, Steklov Mathematical Institute, room 534





55. 
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 (Thu) 

56. 
On nonimmersibility 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 (Tue) 

57. 
Combinatorics of collapsible polyhedra and maps S. A. Melikhov April 17, 2012 15:00, Moscow, Lomonosov Moscow State University, Mech.math. Dept. 1206






April 6, 2012 (Fri) 

58. 
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 (Tue) 

59. 
Combinatorial piecewiselinear 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 (Fri) 

60. 
Existence of universal Groebner bases  topological proof D. A. Stepanov November 18, 2011 17:00, Moscow, Steklov Mathematical Institute, room 534






November 1, 2011 (Tue) 

61. 
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 (Tue) 

62. 
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 (Mon) 

63. 
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 (Thu) 

64. 
Uniform polyhedra S. A. Melikhov July 21, 2011 14:30, Moscow, Steklov Mathematical Institute, room 534






June 15, 2011 (Wed) 

65. 
Calculus of functors on manifolds V. É. Turchin June 15, 2011 16:00, Moscow, Steklov Mathematical Institute, room 534





66. 
Uniform polyhedra S. A. Melikhov June 15, 2011 18:00, Moscow, Steklov Mathematical Institute, room 534






May 31, 2011 (Tue) 

67. 
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. 1207 (1324)






May 24, 2011 (Tue) 

68. 
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. 1207 (1324)






May 3, 2011 (Tue) 

69. 
On the problem of delooping of knot spaces V. É. Turchin May 3, 2011 15:00, Moscow, Lomonosov Moscow State University, Mech.math. Dept. 1207






April 19, 2011 (Tue) 

70. 
The combinatorial viewpoint in algebraic Ktheory of spaces S. A. Melikhov April 19, 2011 15:00, Moscow, Lomonosov Moscow State University, Mech.math. Dept. 1207






March 1, 2011 (Tue) 

71. 
Оn a proof of Shtan$'$ko's theorem on 1ULC approximation of codimension 1 submanifolds A. V. Chernavskii March 1, 2011 15:00, Moscow, Lomonosov Moscow State University, Mech.math. Dept. 1207






February 22, 2011 (Tue) 

72. 
Rational homotopy of spaces of multidimensional 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. 1207






February 4, 2011 (Fri) 

73. 
Rational homotopy of spaces of multidimensional 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 (Wed) 

74. 
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 (Fri) 

75. 
Group completion of moduli spaces R. R. Sadykov December 24, 2010 17:00, Moscow, Steklov Mathematical Institute, room 534





