Eingereichte Arbeiten

1. Mit Yohei Tachiya:                                                                                     "Algebraic results for certain values of the Jacobi Theta-Constant theta_3(tau)" 

2. Mit Florian Luca und Yohei Tachiya:                           "Algebraic results for theta_3(mtau) and theta_3(ntau) of the Jacobi-Theta Constant"

3. Mit Jürgen Spilker:                                                                 "The Lucas property for linear recurrences of second order"

4. Mit Niclas Technau:                                                                                 "On linear relations for Dirichlet series by recursive sequences of second order"