Members

Klaus Altmann, Jan Christophersen
Cotangent cohomology of Stanley-Reisner rings
manuscripta math., 115:361-378, 2004

Klaus Altmann, Jan Christophersen
Deforming Stanley-Reisner schemes
Mathematische Annalen, 348(3):513-537, 2010

Klaus Altmann
Describing T-varieties with polyhedral divisors.
Affine Algebraic Geometry, (Oberwolfach Reports, Report No. 6/2007):9-11, 2007

Klaus Altmann, Juergen Hausen, Hendrik Suess
Gluing affine torus actions via divisorial fans
math.AG0606772, 2006

Klaus Altmann, Jürgen Hausen
Polyhedral divisiors and algebraic torus actions
Math Ann, 344:557-607, 2006

Klaus Altmann, Georg Hein
A fansy divisor on $M_0,n$.
J of Pure and Applied Algebra, 2006

Klaus Altmann, Nathan Owen Ilten, Lars Petersen, Hendrik Süß, Robert Vollmert
The Geometry of T-Varieties
In Piotr Pragacz (ed.), Contributions to Algebraic Geometric, EMS Series of Congress Reports, pages 17-69, 2012

Klaus Altmann, Lars Kastner
Negative deformations of toric singularities that are smooth in codimension two.
In Andras Nemethi, Agnes Szilard (ed.), Deformations of Surface Singularities, pages 13-55, Springer, 2013

Klaus Altmann, Lars Kastner
Negative deformations of toric singularities that are smooth in codimension two
E-print arXiv:1109.3344vl[mathAG], 2011

Klaus Altmann, Lars Petersen
Cox rings of rational complexity-one t-varieties
Journal of Pure and Applied Algebra, 216(5):1146–1159, 2012

Klaus Altmann, Duco Straten van
Smoothing of Quiver Varieties
manuscripta math., 129:211-230, 2009

Klaus Altmann, Duko Straten van
Smoothing of Quiver varieties
Math AG/0607174, 2006

Klaus Altmann, Bernd Sturmfels
The graph of monomial ideals
J of Pure and Applied Algebra, (201):250-263, 2005

Klaus Altmann
The versal deformation of an isolated toric Gorenstein singularity.
Invent. math, 128:443-479, 1997

Klaus Altmann, Jaroslaw Wisniewski
P-divisors of Cox rings
Michigan Math J., 60:463-480, 2011

K Altmann, D Straten van
The polyhedral Hodge number $H^21$
Tohoku Math. J. II, 52:579-602, 2000

Rene Birkner
Quotients of closed subvarieties in toric varieties. Diplomarbeit, Freie Universitaet Berlin, 2007.
2007

Nathan Ilten
On Toric Deformations of Two-Dimensional Cyclic Quotient Singularities. Diplomarbeit, Freie Universitaet Berlin, 2007.
2007

Sabine Schwentner Klaus Altmann Benjamin Nill, Izolda Wiercinska
Flow Polytopes and the Graph of Reflexive Polytopes
Discrete Mathematics, 309:4992-4999, 2009

Sabine Schwentner
Reflexive Gitterpolytope aus K\"ochern. Diplomarbeit, Freie Universitaet Berlin, 2007.
2007

Pawel Sosna
Tensor Triangulated Categories in Algebraic Geometry
Diplomarbeit, Freie Universitaet Berlin, 2007

Robert Vollmert
Codimension one torus actions. Diplomarbeit, Freie Universitaet Berlin, 2005.
2005

Izolda Wiercinska
Nef-partitionen und Gitter\"anderungen reflexiver Gitterpolytope
Diplomarbeit, Freie Universitaet Berlin, 2007