44 citations · 52 across the 7 of their papers we have counts for
Showing 2001Show all
3 papers · 1 filter
math.AG2001
Rational curves and rational singularities
Hubert Flenner, Mikhail Zaidenberg
We study rational curves on algebraic varieties, especially on normal affine varieties endowed with a $\C^*$-action. For varieties with an isolated singularity, we show that the pr…
math.AG2001
Contact Singularities
Frédéric Campana, Hubert Flenner
A contact singularity is a normal singularity together with a holomorphic contact form on Sing in a neighbourhood of 0, i.e. has no z…
math.CV2001
Analytic moduli spaces of simple (co)framed sheaves
H. Flenner, M. Lübke
Let X be a complex space and F a coherent O_X-module. A F-(co)framed} sheaf on X is a pair (E,f) with a coherent O_X-module E and a morphism of coherent sheaves f : F -> E (resp. f…