The Apery algorithm for a plane singularity with two branches.
The covering of rings by valuation rings
The distributivity property of valuation rings
The geometry of the set of characters iduced by valuations.
The hierarchy of uniserial modules over a valuation domain.
The intersection of valuation rings
The product of linear forms in a field of series and the Riemann hypothesis for curves
The -transform and its dual with applications to Prüfer extensions
Topologies de corps A-linéaires