Leningrad Geometric School
Ленинградская геометрическая школа

Russian-German Geometry Meeting
dedicated to the 85th bithday of A.D. Alexandrov

Photo:  A.D. Alexandov
 and his wife S.M. Vladimirova. 1997

A.D. Alexandov and his wife S.M. Vladimirova. 1997

(Author of photo Elena Novikova)


September 22, Monday

9:00-10:00 Registration 10:00-10:45 Opening 11:00-11:45 Alexei Pogorelov. On the foundation of geometry 12:00-12:45 Hermann Karcher. Construction of embedded minimal surfaces
16:00-18:25 Sections

Section I

16:00-16:25 Christian Baer. Eigenvalues of he Dirac operator, collapse, and Willmore functional
16:40-17:05 Richard Bishop. Warped Products of Metric Spaces (joint with S. Alexander)
17:20-17:45 Urs Lang. Extendability of large-scale Lipschitz maps
18:00-18:25 Wolfgang Meyer. The Sphere Theorem in Riemannian Geometry

Section II

16:00-16:25 Yuri Borisov. Relaxing the a priori constrains on the fundamental theorem of space curves
16:40-17:05 Ernst Kuwert. Minimization of conformally invariant energies in homotopy classes
17:20-17:45 Judith Leder. Codazzi tensor of order three in Differential Geometry
18:00-18:25 Konrad Polthier. Discrete Geodesics and Numerics on Surfaces

Section III

16:00-16:25 Michael Babich. Cartanian Spaces of the Normal Projective Connections correspondent to the Painleve Equations and the Theory of invariants (joint with L.Bordag)
16:40-17:05 Anton Deitmar. Hopf and Lefschetz formulas for flows
17:20-17:45 Alexander Guts. A time machine and restoration of the Past

September 23, Tuesday

9:30-10:15 Uwe Abresch. Homogeneous spaces of strictly positive curvature
10:30-11:15 Valery Berestovsky. On and about Alexandrov's Spaces
11:30-12:15 Bernhard Leeb. Rigidity of symmetric spaces and buildings
16:00-18:25 Sections

Section I

16:00-16:25 Conrad Plaut. Geometries and covers of groups
16:40-17:05 Alexander Bobenko. Discrete Affine Spheres
17:20-17:45 Vadim Kaimanovich. Generalized Busemann functions and compactifications of symmetric spaces
18:00-18:25 Takashi Sakai. On Riemannian manifolds admitting a function whose gradient is of constant norm

Section II

16:00-16:25 Brian Bowditch. A topological characterization of hyperbolic groups
16:40-17:05 Jinichi Itoh. Riemannian metric with fractal cut locus
17:20-17:45 Alexander Borisenko. Total curvatures of convex hypersurfaces in the Hyperbolic space
18:00-18:25 Vladimir Vershinin. Configuration Spaces and Generalizations of Braids

Section III

16:00-16:25 Victor Alexandrov. Sufficient Conditions for Extension of N-th Order Flex of Polyhedra
16:40-17:05 Victor Gichev. Invariant orderings in simply connected Lie groups
17:20-17:45 Michael Babich (joint with L.Bordag). Cartanian Spaces of the Normal Projective Connections correspondent to the Painleve Equations and the Theory of Invariants
18:00-18:25 Vladimir Matveev. Symplectic nature of the Dini theorem
was as stend talk: Konstantin Salikhov. CE-resolving 2-polyhedra up to special ones

September 24, Wednesday

9:30-10:15 Idzhat Sabitov. A generalized Heron's formula and an algorithmic solution of basic problems of
the metric theory of polyhedrons
10:30-11:15 Juergen Jost. Generalized harmonic maps into Alexandrov spaces
11:30-12:15 Olga Ladyzhenskaya. On evolution of multidimensional surfaces with the curvatures dependent speed

Excursion over the sity (4 hours). The bus will be near the building where you will have lunch (Popova street, 39), at 14:00

banquet at the Euler Institute

September 25, Thursday

9:30-10:15 Victor Bangert. Stable Norm and Minimal Laminations
10:30-11:15 Bruce Kleiner. Geometric boundary of Hadamard spaces
11:30-12:15 Wolfgang Meyer. The Sphere Theorem in Riemannian Geometry

16:00-18:25 Sections

Section I

16:00-16:25 Francois Ledrappier. Stable foliations on abelian covers
16:40-17:05 Takashi Shioya (joint with T. Yamaguchi). Collapsing three-manifolds under a lower curvature bound
17:20-17:45 Andrei Bodrenko. ARG-deformations of surfaces in Riemannian space
18:00-18:25 Arkady Skopenkov. On the Deleted Product Criterion For Concordance of Link Maps in Rm

Section II

16:00-16:25 Alexey Bolsinov. Topology of Integrable Hamiltonian Systems
16:40-17:05 Christine Scharlach. Centroaffine geometry of surfaces in R4
17:20-17:45 Serguei Vodop'yanov. Metric structures and quasiconformal mappings
18:00-18:25 Alexandr Ivanov (joint with A.Tuzhilin. Geometry of planar linear trees and applications to minimal networks theory

Section III

16:00-16:25 Patrick Eberlein. Totally geodesic submanifolds of compact, 2-step nilmanifolds
16:40-17:05 Katrin Leschke. On isoparametric submanifolds of Euclidean spaces
17:20-17:45 Yaroslav Bazaikin. On odd-dimensional positively curved spaces
18:00-18:25 Victor Toponogov. The convex surface with principal curvatures connected by some equation

Photo: September, 27, 1997

In center of photo: Yu.G. Resetnyak, A.V. Pogorelov and A.A. Borisenko. 1997

(Author of photo Elena Novikova)

September 26, Friday

9:30-10:15 Ernst Heintze. Isoparametric Submanifold in Hilbert space
10:30-11:15 Stefan Mueller. Geometry and microstructure - flexibility and rigidity
11:30-12:15 Wilderich Tuschmann (joint with A. Petrunin and X. Rong). Collapsing and positive pinching

September 27, Saturday

9:30-10:15 Stephanie Alexander (joint with R. Bishop). Topology of Riemannian manifolds with cut locus of low degree
10:30-11:15 Ulrich Pinkall. Differential geometry of surfaces and quaternionic algebraic geometry


Yu.F. Borisov, A.K. Guts and A.D. Alexandrov. 1997

(Author of photo: Elena Novikova)

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