On the Rectilinear Art Gallery Problem - Algorithmic Aspects. - Frank Hoffmann 002; Michael Kaufmann 001 (WG, 1990)

The Art Gallery Theorem for Polygons With Holes - Frank Hoffmann 002; Michael Kaufmann 001; Klaus Kriegel (FOCS, 1991)

A Graph Coloring Result and Its Consequences for Some Guarding Problems. - Frank Hoffmann 002; Klaus Kriegel (ISAAC, 1993)

Generalized Guarding and Partitioning for Rectilinear Polygons. - Ervin Györi; Frank Hoffmann 002; Klaus Kriegel; Thomas C. Shermer (Comput. Geom., 1996)

A Graph-Coloring Result and Its Consequences For Polygon-Guarding Problems. - Frank Hoffmann 002; Klaus Kriegel (SIAM J. Discret. Math., 1996)

A Competitive Strategy for Learning a Polygon. - Frank Hoffmann 002; Christian Icking; Rolf Klein; Klaus Kriegel (SODA, 1997)

Matching 2D Patterns of Protein Spots. - Frank Hoffmann 002; Klaus Kriegel; Carola Wenk (SCG, 1998)

Moving an Angle Around a Region. - Frank Hoffmann 002; Christian Icking; Rolf Klein; Klaus Kriegel (SWAT, 1998)

An Applied Point Pattern Matching Problem: Comparing 2D Patterns of Protein Ppots. - Frank Hoffmann 002; Klaus Kriegel; Carola Wenk (Discret. Appl. Math., 1999)

Covering Simple Polygonal Regions by Ellipses. - Alon Efrat; Frank Hoffmann 002; Klaus Kriegel; Christof Schultz (EuroCG, 2000)

The Polygon Exploration Problem. - Frank Hoffmann 002; Christian Icking; Rolf Klein; Klaus Kriegel (SIAM J. Comput., 2001)

Covering shapes by ellipses. - Alon Efrat; Frank Hoffmann 002; Christian Knauer; Klaus Kriegel; Günter Rote; Carola Wenk (SODA, 2002)

Geometric Algorithms for the Analysis of 2D-Electrophoresis Gels. - Alon Efrat; Frank Hoffmann 002; Klaus Kriegel; Christof Schultz; Carola Wenk (J. Comput. Biol., 2002)

Ein neues algorithmisches Verfahren zur Fluoroskopie-basierten Neuronavigation. - Sven Schönherr; Robert Günzler; Frank Hoffmann 002; Christian Knauer; Klaus Kriegel; Udo Warschewske (Bildverarbeitung für die Medizin, 2004)

Covering with Ellipses. - Alon Efrat; Frank Hoffmann 002; Christian Knauer; Klaus Kriegel; Günter Rote; Carola Wenk (Algorithmica, 2004)

Online Exploration of Polygons with Holes. - Robert Georges; Frank Hoffmann 002; Klaus Kriegel (WAOA, 2012)

Almost Tight Bounds for Conflict-Free Chromatic Guarding of Orthogonal Galleries. - Frank Hoffmann 002; Klaus Kriegel; Max Willert (CoRR, 2014)

Tight bounds for conflict-free chromatic guarding of orthogonal art galleries. - Frank Hoffmann 002; Klaus Kriegel; Subhash Suri; Kevin Verbeek; Max Willert (Comput. Geom., 2018)