International Conference on Geometry in the Large (August 16-20, 2021, EIMI)
Program
For live streaming and recordings, see YouTube channel at https://www.youtube.com/channel/UC2j5mii3fIStA8XEBw5iaFA
The times below are in St. Petersburg local time, which is GMT+3 with no DST. Time differences with some other cities are: Chicago -8h, New York -7h, London -2h, Paris -1h, New Delhi +2h30min, Novosibirsk +4h.
Monday (August 16)
9:30-10:00 – Registration
10:00-10:10 – Opening of the conference
10:15-11:05 – Wilhelm Klingenberg (University of Durham, UK). “Toponogov Conjecture on
complete convex surfaces” (online) [Slides]
11:05-11:25 – Coffee break
11:25-12:05 – Nina Lebedeva (St.Petersburg State University, Russia). “Locally homogeneous
-Riemannian manifolds” (in person)
12:10-12:50 – Evgeniy Kornev (Kemerovo State University, Russia). “Almost paracomplex structure
on six-dimensional sphere” (in person)
12:50-15:00 – Lunch
15:00-15:50 – Vladimir Rovenski (University of Haifa, Israel). “Extrinsic geometry of foliations”
(online) [Slides]
15:55-16:45 – Wilderich Tuschmann (Karlsruhe Institute of Technology, Germany). “Spaces and
moduli spaces of nonnegatively curved riemannian metrics” (online)
16:45-17:05 – Coffee break
17:05-17:45 – Frank Morgan (Williams College, USA). “Isoperimetric problems and densities”
(online) [Time in MA: 10:05-10:45]
17:50-18:40 – Igor Nikolaev (University of Illinois at Urbana-Champaign, USA). “Aleksandrov's
curvature of metric spaces via Cauchy-Schwarz inequality” (online)
[Time in IL: 09:50-10:40]
Tuesday (August 17)
10:00-10:40 – Andrei Vesnin (Tomsk State University, Russia). “Right-angled hyperbolic knots and
links” (in person)
10:45-11:25 – Alexander Mednykh (Sobolev Institute of Mathematics, Russia). “Volume of polyhedra
in spaces of constant curvature and its application to the knot theory” (in person)
[Slides]
11:25-11:45 – Coffee break
11:45-12:25 – Nikolay Abrosimov (Novosibirsk State University, Russia). “Explicit volume formula
for a hyperbolic tetrahedron in terms of edge lengths” (in person)
12:30-13:10 – Bao Vuong (Novosibirsk State University, Russia). “Volume of some polyhedra in
three-dimensional spaces of constant curvature” (in person)
13:10-15:00 – Lunch
15:00-15:40 – Manuel Amann (University of Augsburg, Germany). “Maximal antipodal sets and the
topology of generalised symmetric spaces” (online)
15:45-16:35 – Alexander Borisenko (B. Verkin Institute for Low Temperature Physics NAS, Ukraine).
“The generalizations of Cohn-Vossen–Toponogov splitting theorem” (online) [Slides]
16:35-16:55 – Coffee break
16:55-17:45 – Conrad Plaut (University of Tennessee, USA). “Discrete methods in geometry and
topology” (online) [Time in TN: 09:55-10:45]
17:50-18:40 – Dmitri Burago (Pennsylvania State University, USA). “On some geometry problems
involving PDEs and Dynamics” (online) [Time in PA: 10:50-11:40]
Wednesday (August 18)
10:00-10:40 – Olesya Khromova, Pavel Klepikov, and Eugene Rodionov (Altai State University,
Russia). “Sectional curvature and Ricci solitons of metric Lie groups with the
semisymmetric connection” (online)
10:45-11:25 – Vladimir Sharafutdinov (Sobolev Institute of Mathematics, Russia). “Some theorems
and conjectures by Victor Toponogov” (online) [Slides] [Text version]
11:25-11:45 – Coffee break
11:45-12:25 – Eugene Rodionov (Altai State University, Russia). “A glimpse into the biography of
Victor Andreevich Toponogov” (online) [Slides]
12:30-13:10 – Online session of memories about Professor Victor Toponogov (participants of the
conference are welcome to share their personal reminiscences about Victor Toponogov)
13:10- … – Lunch followed by excursion in St. Petersburg
Thursday (August 19)
10:00-10:50 – Valerii Berestovskii (Sobolev Institute of Mathematics, Russia). “Solution to a
generalization of one Topononogov's problem” (online) [Slides]
10:55-11:45 – Jost-Hinrich Eschenburg (University of Augsburg, Germany). “From Milnor's Morse
theory to the Thom isomorphism” (online) [Slides]
11:45-12:05 – Coffee break
12:05-12:45 – Philippe G. LeFloch (Sorbonne University and CNRS, France). “Recent advances on
Einstein's constraint equations: asymptotic localization and gravitational singularities”
(online) [Slides]
12:45-15:00 – Lunch
15:00-15:40 – Daniil Mamaev (St.Petersburg State University, Russia). “On Morse index retrieval”
(in person)
15:45-16:25 – Sergey Agapov (Sobolev Institute of Mathematics, Russia). “On the construction of
exact solutions in the problem of integrable geodesic flows” (in person)
16:25-16:45 – Coffee break
16:45-17:25 – Dmitri Volkov (St.Petersburg State University of Aerospace Instrumentation, Russia).
“Yuri Alexandrovich Volkov and his work on the theory of convex bodies” (online)
17:30-18:10 – Yury Nikonorov (Vladikavkaz Scientific Centre RAS, Russia) and Yulia Nikonorova
(Volgodonsk Engineering Technical Institute, Russia). “On one property of a planar
curve whose convex hull covers a given convex figure” (online) [Slides]
Friday (August 20)
10:00-10:40 – Soumya Dey (Institute of Mathematical Sciences, Chennai, India). “The liftable
mapping class groups of regular cyclic covers” (online)
10:45-11:25 – Pavel Klepikov (Altai State University, Russia). “Locally homogeneous
(pseudo)Riemannian manifolds with restrictions on the Schouten–Weyl tensor” (online)
11:25-11:45 – Coffee break
11:45-12:25 – Dmitrii Oskorbin (Altai State University, Russia). “Conformal Killing vector fields on
two-order symmetric Lorentzian manifolds” (online) [Slides]
12:30-13:10 – Vladimir Golubyatnikov and Liliya Minushkina (Sobolev Institute of Mathematics,
Russia). “On stability of cycles of some block-linear dynamical systems” (online)
13:10-15:00 – Lunch
15:00-15:40 – Alexander Gutman and Larisa Kononenko (Sobolev Institute of Mathematics, Russia).
“Binary correspondences and an algorithm for solving an inverse problem of chemical
kinetics in a nondegenerate case” (online) [Slides]
15:45-16:25 – Victor Alexandrov (Sobolev Institute of Mathematics, Russia). “Recognition of
affine-equivalent polyhedra by their natural developments” (online) [Slides]
16:30-16:50 – Coffee break
16:50-17:30 – Gaiane Panina (St. Petersburg Department of Steklov Institute RAS, Russia). “Colored
Tverberg theorems for prime powers” (online)
17:30-18:10 – Idzhad Sabitov (Moscow State University, Russia). “Bendable surfaces without visible
deformations of their shape” (online) [Slides]
18:15-18:25 – Closing of the conference