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There is a vast literature on growth rates, leading up to Gromov's theorem. An earlier result of Joseph A. Wolf [2] showed that if G is a finitely generated nilpotent group, then the group has polynomial growth. Yves Guivarc'h [3] and independently Hyman Bass [4] (with different proofs) computed the exact order of polynomial growth.
Gromov's theorem may mean one of a number of results of Mikhail Gromov: One of Gromov's compactness theorems: Gromov's compactness theorem (geometry) in Riemannian geometry; Gromov's compactness theorem (topology) in symplectic topology; Gromov's Betti number theorem Gromov–Ruh theorem on almost flat manifolds
The non-squeezing theorem, also called Gromov's non-squeezing theorem, is one of the most important theorems in symplectic geometry. [1] It was first proven in 1985 by Mikhail Gromov. [2] The theorem states that one cannot embed a ball into a cylinder via a symplectic map unless the radius of the ball is less than or equal to the radius of the ...
The Tits alternative is an important ingredient [2] in the proof of Gromov's theorem on groups of polynomial growth. In fact the alternative essentially establishes the result for linear groups (it reduces it to the case of solvable groups, which can be dealt with by elementary means).
The role of this theorem in the theory of Gromov–Hausdorff convergence may be considered as analogous to the role of the Arzelà–Ascoli theorem in the theory of uniform convergence. [2] Gromov first formally introduced it in his 1981 resolution of the Milnor–Wolf conjecture in the field of geometric group theory, where he applied it to ...
In mathematics, the Bishop–Gromov inequality is a comparison theorem in Riemannian geometry, named after Richard L. Bishop and Mikhail Gromov. It is closely related to Myers' theorem , and is the key point in the proof of Gromov's compactness theorem .
Gromov used this theory to prove a non-squeezing theorem concerning symplectic embeddings of spheres into cylinders. Gromov showed that certain moduli spaces of pseudoholomorphic curves (satisfying additional specified conditions) are compact , and described the way in which pseudoholomorphic curves can degenerate when only finite energy is ...
This fundamental result, proved also in a different way by Gromov, [27] is now called the Eliashberg-Gromov theorem, and is one of the first manifestations of symplectic rigidity. In 1990 he discovered a complete topological characterization of Stein manifolds of complex dimension greater than 2.