2 papers
math.AG2026
The versal deformation of small resolutions of conic bundles over with two sections blown down
Bernd Kreussler, Jan Stevens
Twistor spaces are certain compact complex threefolds with an additional real fibre bundle structure. We focus here on twistor spaces over . Such spaces ar…
math.AG2025
The versal deformation of elliptic m-fold point curve singularities
Jan Stevens
We give explicit, highly symmetric equations for the versal deformation of the singularity consisting of n+1 lines through the origin in n-dimensional affine space in g…