Walter Eberhard

Connection Formulas for Second Order Differential Equations with a Complex Parameter and Having an Arbitrary Number of Turning Points

Walter Eberhard, Gerhard Freiling, A. Schneider · Mathematische Nachrichten · 1994 · 27 citations

Spectral Theory, Complex Parameter, Riemann-hilbert Problem +8

On the distribution of the eigenvalues of a class of indefinite eigenvalue problems

Walter Eberhard, Gerhard Freiling, A. Schneider · Differential and Integral Equations · 1990 · 21 citations · Full text

Spectral Theory, Engineering, Indefinite Weight Function +6

The distribution of the eigenvalues for second order eigenvalue problems in the presence of an arbitrary number of turning points

Walter Eberhard, Gerhard Freiling · Results in Mathematics · 1992 · 19 citations

Spectral Theory, Arbitrary Number, Random Matrix +1

Indefinite Eigenvalue Problems with Several Singular Points and Turning Points

Walter Eberhard, Gerhard Freiling, Kerstin Wilcken-Stoeber · Mathematische Nachrichten · 2001 · 18 citations

Spectral Theory, Numerical Analysis, Engineering +12

An expansion theorem for eigenvalue problems with several turning points

Walter Eberhard, Gerhard Freiling · Analysis · 1993 · 15 citations

Spectral Theory, Engineering, Perturbation Method +5