English Metric connection Cited by user Bender the Bot on 21 Jun 2023 In mathematics, a metric connection is a connection in a vector bundle E equipped with a bundle metric; that is, a metric for which the inner product of any two vectors…
English Connection form Cited by user Bender the Bot on 21 Jun 2023 In mathematics, and specifically differential geometry, a connection form is a manner of organizing the data of a connection using the language of moving frames and…
English Dirac spinor Cited by user Bender235 on 30 Jan 2023 In quantum field theory, the Dirac spinor is the spinor that describes all known fundamental particles that are fermions, with the possible exception of neutrinos.
English Scalar curvature Cited by user Gumshoe2 on 13 Sep 2022 In Riemannian geometry, the scalar curvature (or the Ricci scalar) is the simplest curvature invariant of a Riemannian manifold.