Papers:
Motivic cohomology and motives:
 Descent properties of equivariant Ktheory
[arXiv:1002.2565v1 [math.KT]]
 On a spectal sequence for equivariant Ktheory (with Marc Levine)
KTheory 38 (2008), no. 2, 177222.
[arXiv:math/0511394v3 [math.KT]]
 A triangulated category of equivariant motives
[SFBPreprint]
 Resolution of unbounded complexes in Grothendieck categories
Journal of Pure and Applied Algebra 177 (2003), no. 1, 103112.
[SFBPreprint]
 Eine triangulierte Kategorie äquivarianter Motive
Doktorarbeit
[SFBPreprint]
Nonstandard methods in algebraic geometry:
 Uniform bounds and ultraproducts of cycles (with
Lars Brünjes)
[arXiv:0901.4853 [math.AG]]

 Etale and motivic cohomology and ultraproducts of schemes (with
Lars Brünjes)
[arXiv:0807.1007 [math.AG]]

Nonstandard model categories and homotopy theory (with Lars Brünjes)
[arXiv:0807.1002 [math.AG]]
 Enlargements of schemes (with Lars Brünjes)
Logic and Analysis 1 (2007), no. 1, 160.
[pdf] (The copyright owner is SpringerVerlag/Wien and you can find
the paper also at www.springerlink.com)
 Nonstandard Étale Cohomology (with Lars Brünjes)
Accepted for publication in Journal of Pure and Applied Algebra
[arXiv:math/0412406]
 Enlargements of Categories (with Lars Brünjes)
Theory Appl. Categ. 14 (2005), No. 16, 357398
[TAC]
Miscellaneous:
 Nonstandard Methods in Algebraic Geometry
Slides of a lecture [pdf]
 A spectral sequence for equivariant Ktheory
Summery of a talk (Oberwolfach reports) [pdf]
 Cobordism and Chow groups
Summery of a talk (Oberwolfach reports) [pdf]
 Zur zweiten Stufe der Zagier Vermutung für elliptische
Kurven
Diplomarbeit