Inspired by recent work in the theory of central projections onto hypersurfaces, we characterize self-linked perfect ideals of grade 2 as those with a Hilbert-Burch matrix that has a maximal symmetric ...

Journal of the Royal Statistical Society. Series C (Applied Statistics) When sample units are plotted against orthogonal principal axes in a components analysis, the concept of (Euclidean) distance ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...