In the mathematical theory of Kleinian groups, the Ahlfors finiteness theorem describes the quotient of the domain of discontinuity by a finitely generated Kleinian group. The theorem was proved by Lars Ahlfors (1964, 1965), apart from a gap that was filled by Greenberg (1967).
The Ahlfors finiteness theorem states that if Γ is a finitely-generated Kleinian group with region of discontinuity Ω, then
Ω/Γ has a finite number of components, each of which is a compact Riemann surface with a finite number of points removed.
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Lars Ahlfors (1964, 1965), apart from a gap that was filled by Greenberg (1967). The Ahlforsfinitenesstheorem states that if Γ is a finitely-generated...
Ahlfors died of pneumonia at the Willowwood nursing home in Pittsfield, Massachusetts in 1996. AhlforsfinitenesstheoremAhlfors function Ahlfors measure...
mathematics, there are several finitenesstheorems. AhlforsfinitenesstheoremFinitenesstheorem for a proper morphism Finitenesstheorem for formal schemes This...
generators. The Ahlforsfinitenesstheorem says that such a group is of finite type. A Kleinian group Γ has finite covolume if H3/Γ has finite volume. Any...
In complex analysis, the residue theorem, sometimes called Cauchy's residue theorem, is a powerful tool to evaluate line integrals of analytic functions...
solving the problem: in this situation it is often called the Ahlfors function of G, after Ahlfors. Let 0 < M ≤ ∞ {\displaystyle 0<M\leq \infty } be the supremum...
The fundamental theorem of algebra, also called d'Alembert's theorem or the d'Alembert–Gauss theorem, states that every non-constant single-variable polynomial...
called the Ahlfors–Shimizu characteristic. The bounded term O(1) is not important in most questions. The geometric meaning of the Ahlfors—Shimizu characteristic...
In mathematics, the Ahlfors conjecture, now a theorem, states that the limit set of a finitely-generated Kleinian group is either the whole Riemann sphere...
Ahlfors theory is a mathematical theory invented by Lars Ahlfors as a geometric counterpart of the Nevanlinna theory. Ahlfors was awarded one of the two...
3-manifolds, together with the density theorem for Kleinian groups and the ending lamination theorem. It also implies the Ahlfors measure conjecture. Topological...
Archived from the original on 1 March 2023. Retrieved 9 September 2022. Ahlfors, Lars V. (1979). Complex analysis : an introduction to the theory of analytic...
a quasiconformal mapping, introduced by Grötzsch (1928) and named by Ahlfors (1935), is a homeomorphism between plane domains which to first order takes...
where we can find all of the non-trivial zeros of this zeta function. Lars Ahlfors (1979). Complex Analysis (3 ed.). McGraw-Hill. pp. 172, 284. Ludwig Bieberbach...
as of September 2022[update]. The conjecture terminology may persist: theorems often enough may still be referred to as conjectures, using the anachronistic...
"Lars Valerian Ahlfors (1907–1996)" (PDF). Ams.org. Archived (PDF) from the original on 3 March 2022. Retrieved 31 March 2017. "Lars Ahlfors (1907–1996)"...
18, 2020. "16.2 Line Integrals". www.whitman.edu. Retrieved 2020-09-18. Ahlfors, Lars (1966). Complex Analysis (2nd ed.). New York: McGraw-Hill. p. 103...