In general relativity, Regge calculus is a formalism for producing simplicial approximations of spacetimes that are solutions to the Einstein field equation.
This notion of simplicial manifold is important in Regge calculus and Causal dynamical triangulations as a way to discretize spacetime by triangulating it.
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One can generalize this concept to more dimensions and other kinds of curved surfaces which makes it useful in various kinds of simulations.
Riemannian manifold | manifold | Manifold | Differentiable manifold | 4-manifold | Stein manifold | Simplicial manifold | Riemann manifold | Piecewise linear manifold | Manifold Trilogy | Leek and Manifold Valley Light Railway | Finsler manifold | E8 manifold | Complex manifold | complex manifold | closed manifold | 3-manifold |