• In algebraic geometry, Zariski's main theorem, proved by Oscar Zariski (1943), is a statement about the structure of birational morphisms stating roughly...
    11 KB (1,601 words) - 10:54, 25 June 2024
  • extension of Zariski's main theorem to the case when the morphism of varieties need not be birational. Zariski's connectedness theorem gives a rigorous...
    2 KB (203 words) - 19:02, 18 February 2023
  • Thumbnail for Oscar Zariski
    Zariski ring Zariski tangent space Zariski surface Zariski topology Zariski–Riemann surface Zariski space (disambiguation) Zariski's lemma Zariski's main...
    16 KB (1,393 words) - 01:33, 2 June 2024
  • Zahorski theorem (real analysis) Zariski's connectedness theorem (algebraic geometry) Zariski's main theorem (algebraic geometry) Zeckendorf's theorem (number...
    72 KB (5,996 words) - 03:48, 5 July 2024
  • theorem Hartshorne's connectedness theorem Zariski's connectedness theorem, a generalization of Zariski's main theorem This disambiguation page lists mathematics...
    322 bytes (63 words) - 13:46, 21 September 2016
  • Thumbnail for Closed graph theorem
    Webbed space – Space where open mapping and closed graph theorems hold Zariski's main theorem – Theorem of algebraic geometry and commutative algebra Rudin...
    9 KB (1,611 words) - 21:23, 14 November 2022
  • Thumbnail for Pierre Deligne
    Paris, initially on the generalization within scheme theory of Zariski's main theorem. In 1968, he also worked with Jean-Pierre Serre; their work led...
    19 KB (1,932 words) - 16:47, 12 June 2024
  • it is analytically normal, which is in some sense a variation of Zariski's main theorem. Nagata (1958, 1962, Appendix A1, example 7) gave an example of...
    2 KB (208 words) - 22:46, 12 August 2023
  • V\times \mathbb {P} _{k}^{n}\to V} sends Zariski-closed subsets to Zariski-closed subsets. The main theorem of elimination theory is a corollary and a...
    9 KB (1,567 words) - 14:28, 17 August 2020
  • passage to limit. The theorem is used to deduce some other important theorems: Stein factorization and a version of Zariski's main theorem that says that a...
    4 KB (916 words) - 13:53, 29 July 2022
  • (Tarnów Mechanical Works), a Polish defense industry manufacturer Zariski's main theorem in mathematics This disambiguation page lists articles associated...
    492 bytes (88 words) - 12:35, 23 March 2023
  • target space of f is a normal variety, then f is biregular. (cf. Zariski's main theorem.) A regular map between complex algebraic varieties is a holomorphic...
    26 KB (4,318 words) - 19:52, 4 July 2024
  • Thumbnail for Alexander Grothendieck
    formalism Theorem of absolute purity Theorem on formal functions Ultrabornological space Weil conjectures Vector bundles on algebraic curves Zariski's main theorem...
    77 KB (8,255 words) - 07:11, 29 June 2024
  • unibranch points are connected. In EGA, the theorem is obtained as a corollary of Zariski's main theorem. Grothendieck, Alexandre; Dieudonné, Jean (1961)...
    2 KB (279 words) - 22:40, 12 August 2023
  • Thumbnail for Faltings's theorem
    Faltings's theorem is a result in arithmetic geometry, according to which a curve of genus greater than 1 over the field Q {\displaystyle \mathbb {Q}...
    12 KB (1,310 words) - 00:19, 17 July 2024
  • {\mathcal {O}}_{X}(-1)} . theorem See Zariski's main theorem, theorem on formal functions, cohomology base change theorem, Category:Theorems in algebraic geometry...
    82 KB (12,488 words) - 23:03, 26 April 2024
  • properties Chevalley's theorem on constructible sets Zariski's main theorem Dualizing complex Nagata's compactification theorem "Lemma 28.5.7 (0BA8)—The...
    10 KB (1,317 words) - 21:35, 24 April 2024
  • an analytic object to an algebraic one is a functor. The prototypical theorem relating X and Xan says that for any two coherent sheaves F {\displaystyle...
    19 KB (2,517 words) - 21:14, 28 May 2024
  • If D were an open set in the Zariski topology we could glue the sheaves; the content of the Beauville–Laszlo theorem is that, under one technical assumption...
    8 KB (1,161 words) - 20:31, 1 November 2020
  • In mathematics, the norm residue isomorphism theorem is a long-sought result relating Milnor K-theory and Galois cohomology. The result has a relatively...
    17 KB (2,319 words) - 14:55, 23 June 2024
  • Thumbnail for Resolution of singularities
    singularities of surfaces by itself, Zariski used a more roundabout method: he first proved a local uniformization theorem showing that every valuation of...
    42 KB (5,453 words) - 17:04, 6 May 2024
  • Thumbnail for John Forbes Nash Jr.
    geometry. This work, also introducing a preliminary form of the Nash–Moser theorem, was later recognized by the American Mathematical Society with the Leroy...
    69 KB (7,383 words) - 05:44, 14 July 2024
  • and only if it is proper and quasi-finite. A generalized form of Zariski Main Theorem is the following: Suppose Y is quasi-compact and quasi-separated...
    6 KB (735 words) - 03:43, 9 February 2024
  • Thumbnail for Commutative algebra
    primary ideals and proved the first version of the Lasker–Noether theorem. The main figure responsible for the birth of commutative algebra as a mature...
    17 KB (2,020 words) - 15:41, 6 May 2024
  • on X.) Theorem — The prestack of quasi-coherent sheaves over a base scheme S is a stack with respect to the fpqc topology. The proof uses Zariski descent...
    12 KB (2,270 words) - 19:16, 14 January 2024
  • Thumbnail for Projective variety
    variety is a line bundle of a divisor. Chow's theorem can be shown via Serre's GAGA principle. Its main theorem states: Let X be a projective scheme over...
    45 KB (7,530 words) - 18:38, 11 December 2022
  • theorems concerning a PID, the most important one is the structure theorem for finitely generated modules over a principal ideal domain. The theorem may...
    99 KB (13,682 words) - 13:16, 11 April 2024
  • category C which satisfies any one of the following three properties. (A theorem of Jean Giraud states that the properties below are all equivalent.) There...
    32 KB (4,267 words) - 09:31, 11 July 2024
  • then it is ω {\displaystyle \omega } -stable. More generally, the Main gap theorem implies that if there is an uncountable cardinal λ {\displaystyle \lambda...
    62 KB (9,048 words) - 21:05, 25 June 2024
  • Thumbnail for Algebraic geometry
    conjecture called Fermat's Last Theorem is an example of the power of this approach. In classical algebraic geometry, the main objects of interest are the...
    61 KB (7,507 words) - 11:08, 14 July 2024