Liste der wissenschaftlichen Arbeiten

 

Monographien:

Holzapfel, R.-P.: Geometry and Arithmetic Around Euler Partial Differential Equations, Dt. Verlag d. Wiss., Berlin / Reidel Publ. Comp., Dordrecht, 1986

The Ball and Some Hilbert Problems, Lectures in Math., Birkh\"auser, Basel, 1996

Ball and Surface Arithmetics, Aspects of Mathematics E 29, Vieweg, Braunschweig -Wiesbaden, 1998

Artikel der letzten Jahre:

An effective finiteness theorem for ball lattices, Springer Lecture Notes 1447 (1990), 203 - 236

A voyage with three balloons,  in: The Mathematical Intelligencer, 1/1990, New York - Berlin – Heidelberg - Tokyo

On algebraic values of the Picard modular function, Proc. Taniguchi Workshop "Special Differential Equations", Katata 1991, publ. by Dep. Math. Kyushu Univ. Fukuoka  (1991), 48 - 61

A special Fuchsian system connecting some Hilbert problems, R.I.M.S. 773 (1991), Kyoto Univ., 28-52

The ball and some diophantine equations, Math. Nachr. 158 (1992), 87 – 97

Trascendental ball points of algebraic Picard integrals, Math. Nachr. 161 (1993), 7 - 25

Hierarchies of endomorphism algebras of abelian varieties corresponding to Picard modular surfaces, Schriftenr. "Komplexe Mannigfaltigkeiten", 190, Erlangen, 1994

Symplectic representation fo a braid group on 3-sheeted covers of the Riemann sphere   , Serdicca Math J. 23 (1997), 143-164 Preprint 96-17

Zeta Dimension Formula for Picard Modular Cusp Forms of Neat Natural Congruence Subgroups      HU-Preprint 97-5, Abh. Math. Sem. Hamburg, 68 (1998), 169-192

Picard-Einstein metrics and class fields connected with Apollonius cycle HU-Preprint, 98-15   (mit Koautoren A. Pi\~{n}eiro, N. Vladov)

Cyclotomic Curve Families over Elliptic Curves with Complete Picard-Einstein-Metric  , HU-Preprint, 2000-1

Picard-Einstein metrics on $\mathbb{P}^2$ degenerated along projective plane quadrics,  HU-Preprint, 2000-4, erscheint in 2000-Band der Berliner Math. Ges. (2001)

Reduction of Elliptic Curves and Torsion Points      HU-Preprint 97-3

Nadel's Subschemes of Fano Manifolds X with a Picard Group Pic(X) Isomorphic to Z      HU-Preprint 97-4

Quadrik-line Configurations Degenerating Plane Picard-Einstein Metrics I-II     

Global Cyclotomic Picard CM-Jacobians and their Periods     

Dimension Formulas for automorphic forms of neat coabelian 2-ball lattices     

CasaManual.ps

Basic Algebraic Geometry for coding Theory      Cuba 11/2000

Presented during the lectures at CIMPA-UNSA-ICTP-UNESCO-ICIMAF School      Cuba 11/2000

The Emergence of Picard Jacobians in Cryptographie     Preprint Februar 2001

Abelian approach to modular forms of neat 2-ball lattices: Dimension formulas     Preprint Oktober 2001

Jacobi theta embedding of a hyperbolic 4-space with cusps     Preprint Oktober 2001

Orbital Functional Series of Picard Surfaces     August 2002