Higher cotangent cohomology of rational surface singularities
Journal article, 2004
We give dimension formulas for the cotangent cohomology groups T^i for all rational surface singularities. The computations take place on the first blow-up of the singularity.
cotangent complex
rational singularity
Harrison cohomology
Author
Jan Stevens
University of Gothenburg
Chalmers, Department of Mathematics
Compositio Mathematica
0010-437X (ISSN) 1570-5846 (eISSN)
Vol. 140 2 528-540Subject Categories
Mathematics
DOI
10.1112/S0010437X03000083