Pangea’s purchase of Overlap is an early wager that social trip-planning tools belong on a single platform — not scattered among dozens of niche apps. Pangea, a travel technology platform aimed at ...

Abstract: Community detection is an important task in complex network analysis. A community is a set of cohesive vertices that have more connections within the set than outside. In many real Complex ...

Abstract: Preconditioned iterative methods based on the Krylov subspace technique are widely employed in various scientific and technical computing. When utilizing large-scale parallel computing ...

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...