Matthias Koch

Enumeration of generalized polyominoes

Sascha Kurz, Matthias Koch, 2006, math/0605144.

2-arcs of maximal size in the affine and the projective Hjelmslev plane over ℤ25

Sascha Kurz, Michael Kiermaier, Matthias Koch, 2011, Adv. Math. Commun..