2 citations · 2 across the 2 of their papers we have counts for
3 papers
Fundamental Solutions and Green's Functions for certain Elliptic Differential Operators from a Pseudo-Differential Algebra
Heinz-Jürgen Flad, Gohar Flad-Harutyunyan
We have studied possible applications of a particular pseudo-differential algebra in singular analysis for the construction of fundamental solutions and Green's functions of a cert…
Singular analysis of RPA diagrams in coupled cluster theory
Heinz-Jürgen Flad, Gohar Flad-Harutyunyan
Coupled cluster theory provides hierarchical many-particle models and is presently considered as the ultimate benchmark in quantum chemistry. Despite is practical significance, a r…
Explicit Green operators for quantum mechanical Hamiltonians.~II.~ Edge type singularities of the helium atom
Heinz-Juergen Flad, Gohar Flad-Harutyunyan, Bert-Wolfgang Schulze
We extend our approach of asymptotic parametrix construction for Hamiltonian operators from conical to edge-type singularities which is applicable to coalescence points of two part…