Program: 

Monday, February 29 
10:0011:00 
Registration (Ground floor of the Sobolev Institute of Mathematics) 

Plenary talks (Conference Hall) 
11:0011:50 
D. V. Treschev Periscope theorem. annotation. 

Coffee break (20 minutes) 
12:1013:00 
A. J. Maciejewski Integrability of certain restricted systems of material points. annotation. 
13:1014:00 
M. Bialy New results on algebraic Birkhoff conjecture for convex billiards. annotation. 

Lunch (90 minutes) 

Section A (Conference Hall) 

Section B (room 417) 
15:3016:00 
E. A. Fominykh On minimal ideal triangulations of cusped hyperbolic manifolds. 

S. KonstantinouRizos Grassmann extensions of YangBaxter maps related to NLS type equations. annotation. 

Coffee break (30 minutes) 
16.3017.00 
G. D. Solomadin Projective toric generators in the unitary cobordism ring. 

Yu. Yu. Bagderina Criteria of the existence of rational integrals of twodimensional geodesic flows. 
17.0517.35 
I. Yu. Limonchenko Nonformal momentangle manifolds of 2truncated cubes. 

E. Yu. Bunkova Universal formal groups whose exponentials are elliptic functions of level n. 
17.3518.05 


E. S. Kornev Subcomplex and subkahler structures. 