80 citations · 179 across the 13 of their papers we have counts for
17 papers
Splice diagrams and splice-quotient surface singularities
Jonathan Wahl
The current work will appear in a Celebratio Mathematica volume in honor of Walter Neumann. We summarize results and methods from our long-time collaboration with Neumann, especial…
Rational homology disk smoothings of surface singularities; the exceptional cases
Enrique Artal Bartolo, Jonathan Wahl
It is known (Stipsicz-Szabó-Wahl) that there are exactly three triply-infinite and seven singly-infinite families of weighted homogeneous normal surface singularities admitting a r…
Orbifold splice quotients and log covers of surface pairs
Walter D. Neumann, Jonathan Wahl
A three-dimensional orbifold , where is a rational homology sphere, has a universal abelian orbifold covering, whose covering group is the first orbifold homolog…
Complex surface singularities with rational homology disk smoothings
Jonathan Wahl
A cyclic quotient singularity of type () has a smoothing whose Milnor fibre is a HD, or rational homology disk (i.e., the Milnor number is …
The number of equisingular moduli of a rational surface singularity
Jonathan Wahl
We consider a conjectured topological inequality for the number of equisingular moduli of a rational surface singularity, and prove it in some natural special cases. When the resol…
Milnor and Tjurina numbers for smoothings of surface singularities
Jonathan Wahl
For an isolated hypersurface singularity , the Milnor number is greater than or equal to the Tjurina number (the dimension of the base of the semi-universal deformatio…