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math.AG2018★ 2 cited
Links of sandwiched surface singularities and self-similarity
Lorenzo Fantini, Charles Favre, Matteo Ruggiero
We characterize sandwiched singularities in terms of their link in two different settings. We first prove that such singularities are precisely the normal surface singularities hav…
math.AG2018★ 5 cited
Ultrametric properties for valuation spaces of normal surface singularities
Evelia García Barroso, Pedro González Pérez, Patrick Popescu-Pampu +1
Let be a fixed branch -- that is, an irreducible germ of curve -- on a normal surface singularity . If are two other branches, define $u_L(A,B) := \dfrac{(L \cdot A) \…