Non-locally-free locus of O'Grady's ten dimensional example
Non-Noetherianity of Denjoy-Carleman rings of germs
Non-normal abelian covers
Non-proper value set and the Jacobian condition
Non-rational centers of log canonical singularities
Non-rational divisors over non-degenerate cDV-points
Non-rational divisors over non-Gorenstein terminal singularities
Non-rational nodal quartic threefolds
Non-rationality of a three-dimensional Fano variety of index 2 and degree 1
Non-rationality of the symmetric sextic Fano threefold
Non-resonance D-modules over arrangements of hyperplanes
Non-singular affine surfaces with self-maps
Non-special scrolls with general moduli
Non-supersingular Hyperelliptic jacobians
Non-symmetric orthogonal geometry of Grothendieck rings of coherent sheaves on projective spaces
Non-symplectic automorphisms of order 3 on K3 surfaces
Non-symplectic involutions of a K3 surface
Non-trivial elements in the Abel-Jacobi kernels of higher dimensional varieties
Non-trivial Linear Systems on Smooth Plane Curves
Non-uniqueness of Fourier-Mukai kernels