This is a book comprising selected papers of colleagues and friends of Heinrich Begehr on the occasion of his 80th birthday. It aims at being a tribute to the excellent achievements of Heinrich Begehr in complex analysis and complex differential equations, and especially to his prominent role as one of the creators and long-time leader of the International Society for Analysis, its Applications and Computation (ISAAC).

Tributes the excellent achievements of Heinrich Begehr Contains several important research contributions from the different branches of analysis Provides stories about the scientific life of Heinrich Begehr

Inhalt
Preface.- Analysis as a life.- Stories.- Deformation of complex structures and boundary value problem with shift.- Dirichlet problem for Poisson and Bi-Poisson equations in Clifford analysis.- Boundary eigenvalues of pluriharmonic functions for the third boundary condition of the polydisc.- Survey of some general properties of meromorphic functions in a given domain.- Boundary value problems in polydomains.- Completeness Theorems on the Boundary in Thermoelasticity.- A circle pattern algorithm via combinatorial Ricci flows.- Strong Asymptotic Analysis of OLPs on the Unit Circle by Riemann-Hilbert Approach.- Time Dependent Solutions for the Biot Equations.- Schwartz-type boundary value problems for monogenic functions in a biharmonic algebra.- The string equation for some rational functions.- Newtonian and single layer potentials for the Stokes system with L coefficients and the exterior Dirichlet problem.- Special functions method for fractional analysis and fractional modelling.- To elliptic systems of two equations on the plane.- Real Variable Inverse Laplace Transform.