Full-Hyperharmonic Structures on Harmonie Spaces. I.
Full-Hyperharmonic Structures on Harmonic Spaces. II.
Harmonic morphisms and non-linear potential theory
Originally, harmonic morphisms were defined as continuous mappings φ:X → X' between harmonic spaces such that h'∘φ remains harmonic whenever h' is harmonic, see [1], p. 20. In general linear axiomatic potential theory, one has to replace harmonic functions h' by hyperharmonic functions u' in this definition, in order to obtain an interesting class of mappings, see [3], Remark 2.3. The modified definition appears to be equivalent with the original one, provided X' is a Bauer space, i.e., a harmonic...
On the growth of algebroid solutions of algebraic differential equations.
On the growth of meromorphic solutions of linear and algebraic differential equations.
Zur Theorie der gewohnlichen Differentialgleichungen im Komplexen
Über die Nullstellen von Lösungen linearer Differentialgleichungen.
Representations of solutions of periodic second order linear differential equations.
Existence of meromorphic solutions of algebraic differential equations.
On the zeros of meromorphic solutions of second-order linear differential equations.
Finite order solutions of complex linear differential equations.
Growth of solutions of nonhomogeneous linear differential equations.
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