The singular functions of branching edge asymptotics

Abstract

We investigate the structure of branching asymptotics appearing in solutions to elliptic edge problems. The exponents in powers of the half-axis variable, logarithmic terms, and coefficients depend on the variables on the edge and may be branching.

This is a new version of the article where the support of the author L. Tepoyan by the DFG (Deutsche Forschungsgemeinschaft) is added