Contact

Director

Prof. Dr Andreas Stein

+49 (0)441 798-3232

W1 2-216

Office

IfM Office

+49 (0)441 798-3004

Antje Hagen

+49 (0)441 798-3247

W1 1-115

Frauke Wehber

+49 (0)441 798-3247

W1 1-115

Desislava German

+49 (0)441 798-3241

W1 1-120

Equal Opportunities Officer

Carolin Lena Danzer

+49 (0)441 798-3227

W1 1-104

Dr Birte Julia Specht

+49 (0)441 798-3607

W1 1-110

Dr Sandra Stein

+49 (0)441 798-3237

W1 2-214

Ombudsperson for issues of
discrimination and sexual harassment

Antje Hagen

+49 (0)441 798-3247

W1 1-115

IT Officer

Veronika Viets

+49 (0) 441 798-3236

W1 1-116

Address

University of Oldenburg
Institute of Mathematics
Campus Wechloy
Carl-von-Ossietzky-Str. 9-11
26129 Oldenburg

How to find us


Final seminars

Isoperimetric inequalities for eigenvalues of the Laplace-Beltrami operator on surfaces

Im Rahmen des Oberseminars Analysis/Numerik spricht
Herr Dr. Alexei Penskoi (Max-Planck-Institut in Bonn)

über

Isoperimetric inequalities for eigenvalues of the Laplace-Beltrami operator on surfaces

Outline

  • Spectral Geometry
  • Laplace-Beltrami operator
  • Spectral Geometry problems
  • Geometric optimization of eigenvalues of Δ
  • Lord Rayleigh question
  • Geometric optimization of eigenvalues
  • Known results about particular surfaces
  • Minimal submanifolds in \(S^n\) and harmonic maps to \(S^n\)
  • Minimal isometric immersions to \(S^n\)
  • Minimal maps and harmonic maps
  • Calabi-Barbosa theorem
  • Harmonic degree and Ejiri bound
  • Scheme of proofs of the recent results
  • Scheme of proof for \(S^2\)

Der Vortrag findet statt am

Donnerstag, den 16.05.2024 um 14.15 Uhr im Raum W01 0-006

 

Interessierte sind herzlich eingeladen.

16.05.2024 14:15 – Open End

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