Publication
We prove that if (X, A) is a threefold pair with mild singularities such that -(KX + A) is nef, then the numerical class of -(KX + A) is effective.
Daniel Kressner, Axel Elie Joseph Séguin, Gianluca Ceruti
Aurelio Muttoni, Enrique Corres Sojo
Stefano Filipazzi, Fabio Bernasconi