Անահիտ Հարությունյան

 Spring School: 'Pseudo-Differential Calculus and Index Theory on Singular and Non-Compact Manifolds', Potsdam, 19.02-23.02, 1996

 
 International Conference: 'Partial Differential Equations', Potsdam, 29.07-03.08 ,1996

 
 Spring School: 'Boundary Value Problems, Spectral Theory, Index of Singular Pseudo-Differential Operators', Potsdam, 24.02-28.02 1997

 
 Spring School: ' Operator Algebras with Symbolic Structures on Singular Manifolds, Index Theory, and Asymptotics', Potsdam, 15.02-21.02, 1998

 
 3-rd ISAAC Congress in FU-Berlin, August 20-25, 2001

 
 4-rd ISAAC Congress in Yerewan, September 17-21, 2002