In mathematics, birational geometry is a field of algebraic geometry in which the goal is to determine when two algebraic varieties are isomorphic outside...
20 KB (2,684 words) - 07:21, 17 April 2025
Algebraic surface (redirect from Surface (algebraic geometry))
fundamental theorems for the birational geometry of surfaces is Castelnuovo's theorem. This states that any birational map between algebraic surfaces...
7 KB (973 words) - 18:40, 4 February 2024
Canonical ring (redirect from Canonical model (algebraic geometry))
canonical ring and therefore likewise the Kodaira dimension is a birational invariant: Any birational map between smooth compact complex manifolds induces an isomorphism...
4 KB (464 words) - 18:26, 21 May 2023
a classification of algebraic surfaces in birational geometry, and other contributions in algebraic geometry. Enriques was born in Livorno, and brought...
9 KB (881 words) - 10:45, 6 November 2024
Blowing up (category Birational geometry)
Blowups are the most fundamental transformation in birational geometry, because every birational morphism between projective varieties is a blowup. The...
23 KB (4,260 words) - 00:10, 3 March 2025
in the area of algebraic geometry and a professor at Princeton University. Xu is known for his work in birational geometry, the minimal model program...
5 KB (391 words) - 02:07, 14 March 2025
Minimal model program (redirect from Minimal model (birational geometry))
algebraic geometry, the minimal model program is part of the birational classification of algebraic varieties. Its goal is to construct a birational model...
10 KB (1,353 words) - 22:39, 20 March 2025
Kodaira dimension (category Birational geometry)
1965. Iitaka 1970. Iitaka 1971. J. A. Chen and M. Chen, Explicit birational geometry of 3-folds and 4-folds of general type III, Theorem 1.4. O. Fujino...
20 KB (2,406 words) - 03:16, 10 November 2024
mathematics, the Italian school of algebraic geometry refers to mathematicians and their work in birational geometry, particularly on algebraic surfaces, centered...
12 KB (1,498 words) - 13:47, 6 December 2023
Linear system of divisors (category Geometry of divisors)
linear systems became a basic tool of birational geometry as practised by the Italian school of algebraic geometry. The technical demands became quite stringent;...
17 KB (2,910 words) - 01:10, 24 January 2025
giving the fundamental Kleinian geometry on projective space, they concerned themselves also with the higher-degree birational transformations. This weaker...
62 KB (7,498 words) - 11:10, 27 May 2025
In algebraic geometry, a moduli space of (algebraic) curves is a geometric space (typically a scheme or an algebraic stack) whose points represent isomorphism...
24 KB (3,701 words) - 03:52, 16 April 2025
modern birational geometry. In 2010 he received the Leverhulme Prize in mathematics and statistics for his contributions to algebraic geometry, and in...
17 KB (1,350 words) - 09:01, 6 May 2025
Flip (mathematics) (redirect from Flop (algebraic geometry))
dimension 3 flips are used to construct minimal models, and any two birationally equivalent minimal models are connected by a sequence of flops. It is...
9 KB (1,229 words) - 04:19, 13 February 2025
Algebraic curve (redirect from Branch (algebraic geometry))
Hilbert's sixteenth problem Cubic plane curve Hyperelliptic curve Birational geometry Conic section Elliptic curve Fractional ideal Function field of an...
49 KB (7,993 words) - 07:00, 5 May 2025
Cremona group (category Birational geometry)
In birational geometry, the Cremona group, named after Luigi Cremona, is the group of birational automorphisms of the n {\displaystyle n} -dimensional...
13 KB (1,612 words) - 14:02, 30 May 2025
In algebraic geometry, a birational invariant is a property that is preserved under birational equivalence. A birational invariant is a quantity or object...
2 KB (200 words) - 04:58, 21 May 2023
one of the most powerful formulas in algebraic geometry. An important tool of modern birational geometry is inversion of adjunction, which allows one to...
16 KB (2,548 words) - 15:55, 15 January 2025
Lüroth's theorem (category Birational geometry)
In mathematics, Lüroth's theorem asserts that every field that lies between a field K and the rational function field K(X) must be generated as an extension...
3 KB (280 words) - 16:18, 23 October 2023
tremendously both from techniques in analysis and in pure birational geometry. Complex geometry has significant applications to theoretical physics, where...
26 KB (3,677 words) - 14:31, 7 September 2023
Absolute geometry Affine geometry Algebraic geometry Analytic geometry Birational geometry Complex geometry Computational geometry Conformal geometry Constructive...
13 KB (914 words) - 10:26, 25 December 2024
awarded his Ph.D. ("candidate degree") in 1976. Shokurov works on the birational geometry of algebraic varieties. After obtaining his Ph.D., he worked at the...
8 KB (1,005 words) - 14:26, 9 May 2025
Conic section (category Birational geometry)
type of conic is determined by the value of the eccentricity. In analytic geometry, a conic may be defined as a plane algebraic curve of degree 2; that is...
69 KB (9,174 words) - 09:13, 17 May 2025
Iitaka dimension (category Birational geometry)
to the general n. Therefore The study of the higher-dimensional birational geometry decompose to the part of κ=-∞,0,n and the fiber space whose fibers...
7 KB (1,128 words) - 18:16, 27 September 2023
Rational mapping (redirect from Birational isomorphism)
tracing through the proof of the theorem it is possible to do so. Birational geometry Blowing up Function field of an algebraic variety Resolution of singularities...
8 KB (1,492 words) - 08:00, 14 January 2025
refer to: Minimal model (birational geometry), classification of algebraic varieties with the goal to construct a birational model of any complex projective...
1 KB (189 words) - 00:57, 28 January 2025
geometry can exhibit discontinuities of a kind that are detected by flatness. For instance, the operation of blowing down in the birational geometry of...
21 KB (3,547 words) - 10:29, 19 May 2025
Elliptic surface (category Birational geometry)
In mathematics, an elliptic surface is a surface that has an elliptic fibration, in other words a proper morphism with connected fibers to an algebraic...
16 KB (1,883 words) - 18:07, 26 July 2024
Cox–Zucker machine (category Birational geometry)
In arithmetic geometry, the Cox–Zucker machine is an algorithm created by David A. Cox and Steven Zucker. This algorithm determines whether a given set...
3 KB (322 words) - 19:56, 5 May 2025
Complex projective plane (category Projective geometry)
the 5-sphere, i.e. torsion. In birational geometry, a complex rational surface is any algebraic surface birationally equivalent to the complex projective...
3 KB (527 words) - 02:57, 10 November 2024