Äquisinguläre Deformationen isolierter
Hyperflächensingularitäten im C3.
(Dissertation an der Humboldt-Universität Berlin; Juni 1985)
Equisingular deformations of isolated 2-dimensional hypersurface
singularities.
(Invent. math. 88, 619-634 (1987))
An algorithm for computing equisingular deformations.
(Preprint Nr. 224 der Humboldt-Universität Berlin; 1989)
Equisingular deformations below the Newton boundary.
(Compositio math. 80, 257-283 (1991))
Deformations of affine torus varieties.
(Beiträge zur Algebra und Geometrie 34, No.1, 119-150 (1993))
Computation of the vector space T1 for affine toric varieties.
(ps-file)
(J. Pure Appl. Algebra 95 (1994), 239-259)
Minkowski sums and homogeneous deformations of toric varieties.
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(Tohoku Math. J. 47 (1995), 151-184)
Deformation theory
(ps-file)
(to appear in DMV-Seminar proceedings)
Torsion of differentials on toric varieties.
(ps-file)
(Semigroup Forum 53 (1996), 89-97)
Infinitesimal deformations and obstructions
for toric singularities.
(ps-file)
(J. Pure Appl. Algebra 119 (1997), 211-235)
Deformations of toric singularities.
(ps-file)
(Habilitationsschrift;
Humboldt-Universität zu Berlin 1995)
The versal deformation of an isolated toric Gorenstein singularity.
(Invent. math. 128, 443-479 (1997))
P-resolutions of cyclic quotients from the toric viewpoint.
(ps-file)
(In: Progress in Mathematics,
Vol. 162: Singularities - The Brieskorn Anniversary Volume,
Birkhäuser Verlag Basel/Switzerland 1998, 241-250)
One-parameter families containing three-dimensional toric
Gorenstein singularities.
(ps-file)
(In: Explicit Birational Geometry of 3-Folds
(ed. Alessio Corti, Miles Reid), p. 21-50,
London Mathematical Society Lecture Note Series. 281,
Cambridge University Press 2000)
Andre-Quillen cohomology of monoid algebras.
(ps-file)
(with Arne B. Sletsjoe;
Journal of Algebra 210, 708-718 (1998))
Singularities arising from lattice polytopes.
(ps-file)
(In: Singularity Theory, ed. Bill Bruce, David Mond,
London Mathematical Society Lecture Note Series, 263,
Cambridge University Press 1999, 1-23)
Strong exceptional sequences provided by quivers.
(ps-file)
(with Lutz Hille;
Algebras and Representation Theory 2(1), 1-17 (1999))
Cotangent cohomology of rational surface singularities.
(with Jan Stevens;
Invent. math. 138, 163-181 (1999))
Estimating vaccine coverage by using computer algebra.
(pdf-file)
(with Doris Altmann; IMA Journal of Mathematics Applied in Medicine and Biology
17 (2000), 137-146)
The polyhedral Hodge number h21.
(ps-file)
(with Duco van Straten; Tohoku Math. J. 52 (2000), 579-602)
The chain property for the associated primes of A-graded ideals.
(ps-file)
(Mathematical Research Letters 7, 565-576 (2000))
Cotangent cohomology of Stanley-Reisner rings.
(pdf-file)
(with Jan Christophersen;
manuscripta math. 115, 361-378 (2004))
The graph of monomial ideals.
(with Bernd Sturmfels; Journal of Pure and Applied Algebra 201 (2005), 250-263)
Polyhedral Divisors and Algebraic Torus Actions.
(with Jürgen Hausen; Math. Ann. 334, 557-607 (2006))
Gluing affine torus actions via divisorial fans.
(with Jürgen Hausen and Hendrik Süss;
Transformation Groups 13 (2008), 215-242)
A fansy divisor on M_{0,n}.
(with Georg Hein; J. Pure Appl. Algebra 212 (2008), 840-850)
Smoothing of Quiver Varieties.
(with Duco van Straten;
manuscripta math. 129, 211-230 (2009))
Flow polytopes and the graph of reflexive polytopes.
(with Benjamin Nill, Sabine Schwentner, and Izolda Wiercinska;
Discrete Math. 309 (2009), 4992--4999)
Deforming Stanley-Reisner schemes.
(with Jan Christophersen;
Math. Ann. 348, 513--537 (2010))
P-divisors of Cox rings.
(with Jarek Wisniewski;
To appear in Mich. Math. J. (2011))
Negative deformations of toric singularities that are
smooth in codimension two.
(with Lars Kastner; 2010)
Cox rings of rational complexity one T-varieties.
(with Lars Petersen; 2010)
The geometry of T-varieties.
(with Nathan Ilten, Lars Petersen, Hendrik Suess, and Robert Vollmert;
2011)
Artikel in mathematischer Schülerzeitschrift:
Zwei verschiedene Formen von Geldanlagen.
(ps-file)
(Alpha 9/1996, 14-17)