2 papers
math.AG2008
Models of Z/p^2 Z over a d.v.r. of unequal characteristic
Dajano Tossici
Let R be a discrete valuation ring of unequal characteristic which contains a primitive p^2-th root of unity. If K is the fraction field of R, it is well known that (Z/p^2 Z)_K is…
math.AG2008
Effective models and extension of torsors over a discrete valuation ring of unequal characteristic
Dajano Tossici
Let R be a discrete valuation ring of unequal characteristic with fraction field K which contains a primitive p^2-th root of unity. Let X be a faithfully flat R-scheme and G be a f…