(mathematics) A generalization of the Riemann integral, serving as a precursor of the Lebesgue integral and a means of unifying equivalent forms of statistical theorems that apply to discrete and continuous probability.

(algebraic geometry) An important generalization of the Hirzebruch-Riemann-Roch theorem about complex manifolds.

(mathematics) Of or relating to the work, or theory developed from the work, of German mathematician Bernhard Riemann, especially to Riemannian manifolds and Riemannian geometry.

(mathematics) One who uses or supports the work of German mathematician Bernhard Riemann.

(differential geometry) A generalization of a Riemannian manifold

(differential geometry, Riemannian geometry) A real, smooth differentiable manifold whose each point has a tangent space equipped with a positive definite inner product;

(mathematics, geometry) The branch of differential geometry that concerns Riemannian manifolds; an example of a geometry that involves Riemannian manifolds. / Elliptical or spherical geometry.

plural of pseudo-Riemannian manifold

plural of Riemannian geometry

plural of Riemannian manifold