Noncommutative geometry (redirect from Non-commutative geometry)
requires non-trivial generalization of topological spaces as "non-commutative spaces". For this reason there is some talk about non-commutative topology...
22 KB (2,408 words) - 07:34, 9 May 2025
The Éléments de géométrie algébrique (EGA; from French: "Elements of Algebraic Geometry") by Alexander Grothendieck (assisted by Jean Dieudonné) is a...
11 KB (1,149 words) - 03:24, 10 November 2024
Strong monad (redirect from Commutative strong monad)
to be commutative when the diagram commutes for all objects A {\displaystyle A} and B {\displaystyle B} . The Kleisli category of a commutative monad...
4 KB (496 words) - 21:27, 19 June 2025
Scheme (mathematics) (section Non-affine schemes)
arbitrary commutative ring as a foundation for algebraic geometry. The theory took its definitive form in Grothendieck's Éléments de géométrie algébrique...
44 KB (7,139 words) - 07:51, 25 June 2025
Natural number (redirect from Non-negative integer)
Mathematics (N)". Maths History. Fontenelle, Bernard de (1727). Eléments de la géométrie de l'infini (in French). p. 3. Arithmetices principia: nova methodo (in...
53 KB (5,887 words) - 07:23, 24 June 2025
Space (mathematics) (section Non-commutative geometry)
and C*-algebras are known as non-commutative measure theory and non-commutative topology, respectively. Non-commutative geometry is not merely a pursuit...
69 KB (9,328 words) - 07:59, 25 June 2025
(5): 433–439, doi:10.1512/iumj.1974.23.23036 Connes, A. (1990), Géométrie non commutative, InterEditions, ISBN 2-7296-0284-4 Ferrara, S.; Mattiolia, G.;...
106 KB (21,532 words) - 22:35, 12 January 2025
This is a glossary of commutative algebra. See also list of algebraic geometry topics, glossary of classical algebraic geometry, glossary of algebraic...
66 KB (9,772 words) - 22:19, 27 May 2025
Algébriques Cohérents (FAC, 1955), on coherent cohomology, and Géométrie Algébrique et Géométrie Analytique (GAGA, 1956). Even at an early stage in his work...
19 KB (1,912 words) - 20:07, 30 April 2025
Flat module (section Non-examples)
Flatness was introduced by Jean-Pierre Serre (1956) in his paper Géometrie Algébrique et Géométrie Analytique. A left module M over a ring R is flat if the following...
30 KB (4,590 words) - 03:05, 9 August 2024
Formally smooth map (category Commutative algebra)
In algebraic geometry and commutative algebra, a ring homomorphism f : A → B {\displaystyle f:A\to B} is called formally smooth (from French: Formellement...
4 KB (620 words) - 08:54, 26 June 2025
Regular sequence (category Commutative algebra)
notion of a complete intersection. Given a commutative ring R and an R-module M, an element r in R is called a non-zero-divisor on M if r m = 0 implies m...
9 KB (1,241 words) - 09:40, 11 July 2025
the structure of quasi-finite morphisms of schemes. Several results in commutative algebra imply the geometric forms of Zariski's main theorem, including:...
11 KB (1,601 words) - 01:18, 14 November 2024
Henselian ring (category Commutative algebra)
originally allowed Henselian rings to be non-commutative, but most authors now restrict them to be commutative. Some standard references for Hensel rings...
9 KB (1,226 words) - 03:58, 27 May 2025
of mathematics which uses abstract algebraic techniques, mainly from commutative algebra, to solve geometrical problems. Classically, it studies zeros...
62 KB (7,525 words) - 04:38, 3 July 2025
Pontryagin duality taking finite commutative group schemes to finite commutative group schemes. Finite flat commutative group schemes over a perfect field...
21 KB (2,860 words) - 07:07, 25 June 2025
Complex number (redirect from Non real numbers)
rule i 2 = − 1 {\displaystyle i^{2}=-1} along with the associative, commutative, and distributive laws. Every nonzero complex number has a multiplicative...
91 KB (12,021 words) - 17:33, 29 May 2025
Flat morphism (section Examples/non-examples)
first of these comes from commutative algebra: subject to some finiteness conditions on f, it can be shown that there is a non-empty open subscheme Y ′...
21 KB (3,547 words) - 10:29, 19 May 2025
element acts as a symplectic transformation. Claude Godbillon (1969) "Géométrie différentielle et mécanique analytique", Hermann Abraham, Ralph; Marsden...
15 KB (2,275 words) - 11:50, 14 August 2024
of the subject. For the items in commutative algebra (the theory of commutative rings), see Glossary of commutative algebra. For ring-theoretic concepts...
32 KB (4,255 words) - 02:03, 6 May 2025
Dual number (category Commutative algebra)
that multiplication is a bilinear operation. The dual numbers form a commutative algebra of dimension two over the reals, and also an Artinian local ring...
19 KB (2,780 words) - 13:53, 30 June 2025
Jacobson ring (category Commutative algebra)
such that every prime ideal is an intersection of primitive ideals. For commutative rings primitive ideals are the same as maximal ideals so in this case...
6 KB (836 words) - 14:45, 10 November 2024
of Éléments de géométrie algébrique? [1] scheme A scheme is a locally ringed space that is locally a prime spectrum of a commutative ring. Schubert 1...
82 KB (12,496 words) - 00:02, 12 April 2025
Nagata ring (category Commutative algebra)
Grothendieck, J. Dieudonné, Eléments de géométrie algébrique, Ch. 0IV § 23, Publ. Math. IHÉS 20, (1964). H. Matsumura, Commutative algebra ISBN 0-8053-7026-9, chapter...
4 KB (642 words) - 00:40, 15 April 2024
multiplication is non-commutative). This result is known as the Frobenius theorem. The octonions O, for which multiplication is neither commutative nor associative...
86 KB (10,330 words) - 20:24, 2 July 2025
Exponentiation (redirect from Commutative exponentiation)
(sometimes ^^ instead of ^) for exponentiation with non-commuting bases, which is then called non-commutative exponentiation. For nonnegative integers n and...
107 KB (13,693 words) - 20:30, 5 July 2025
ISBN 978-3-0348-0011-2 Michel Raynaud, Géométrie analytique rigide d’après Tate, Kiehl,. . . Table ronde d’analyse non archimidienne, Bull. Soc. Math. Fr...
7 KB (908 words) - 20:17, 29 May 2025
His research extended the scope of the field and added elements of commutative algebra, homological algebra, sheaf theory, and category theory to its...
82 KB (8,602 words) - 10:27, 8 July 2025
1016/0040-9383(90)90003-3, Zbl 0759.58047 Skandalis, Georges (2001). "Géométrie non commutative, opérateur de signature transverse et algèbres de Hopf (d'après...
9 KB (917 words) - 01:37, 29 May 2025
Differentiable manifold (redirect from Non-smoothable manifold)
Banach–Stone, and allows one to consider noncommutative C*-algebras as non-commutative generalizations of manifolds. This is the basis of the field of noncommutative...
67 KB (9,497 words) - 20:48, 13 December 2024