In geometry, there are surfaces that do without an inside or outside—and some need at least four dimensions to exist ...

Learn about CDS Syllabus 2026 including detailed subject-wise topics for English, General Knowledge, and Elementary ...

Mathematicians present the Nopertedro: a Rupert property solid that broke an old myth by preventing one copy from passing ...

Abstract: This paper introduces a square-root velocity (SRV) representation for analyzing shapes of curves in euclidean spaces under an elastic metric. In this SRV representation, the elastic metric ...