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

Seminar schedule RSS: Forthcoming seminars Seminar Chairmen Lightfoot Ashley C Melikhov Sergey Aleksandrovich Organizations Steklov Mathematical Institute of Russian Academy of Sciences, Moscow National Research University Higher School of Economics, 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 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 (Thu)
5.	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 (Thu)
6.	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 (Thu)
7.	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 (Thu)
8.	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 (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 4-sphere 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 four-manifolds 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 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 (Thu)
15.	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 (Thu)
16.	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 (Thu)
17.	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 (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 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 (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 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 (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 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 (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 M-invariant 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 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 (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 Andersen-Mattes-Reshetikhin 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 G-пространства 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. 12-26
	September 16, 2014 (Tue)
44.	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 (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 Мадсена-Вайса R. R. Sadykov December 27, 2013 15:00, Moscow, Steklov Mathematical Institute, room 534
	December 10, 2013 (Tue)
47.	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 (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. 12-08
	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 Franz-Reidemeister 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 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 (Tue)
57.	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 (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 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 (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. 12-07 (13-24)
	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. 12-07 (13-24)
	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. 12-07
	April 19, 2011 (Tue)
70.	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 (Tue)
71.	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 (Tue)
72.	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 (Fri)
73.	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 (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