Publication 1: Five-Brane Superpotentials and Heterotic/F-theory Duality (URL) Publication 2: Computing Brane and Flux Superpotentials in F-theory Compactifications (URL) Publication 3: The D5-brane effective action and superpotential in N=1 compactifications (URL) URL of Research: http://www.th.physik.uni-bonn.de/people/klevers/ Statement of Interest:
F-theory compactifications, Heterotic/F-theory Duality, Type II Compactifications, Effective Coupling Functions from String Theory.