the weighted projective space is called well-formed. The only singularities of weighted projective space are cyclic quotient singularities. A weighted projective...
3 KB (358 words) - 23:53, 19 November 2020
Proj construction (section Weighted projective space)
f_{k})_{\bullet }}}} giving an embedding of projective varieties into projective schemes. Weighted projective spaces can be constructed using a polynomial ring...
19 KB (3,582 words) - 05:35, 6 March 2025
In algebraic geometry, a projective variety is an algebraic variety that is a closed subvariety of a projective space. That is, it is the zero-locus in...
45 KB (7,499 words) - 13:00, 31 March 2025
point", which is subject to the axioms of projective geometry. For some such set of axioms, the projective spaces that are defined have been shown to be...
37 KB (5,670 words) - 20:15, 2 March 2025
examples come up when taking the stack quotient for weighted projective space/varieties. For example, the space P ( 2 , 3 ) {\displaystyle \mathbb {P} (2,3)}...
4 KB (604 words) - 10:21, 18 May 2024
Moduli of algebraic curves (redirect from Moduli space of algebraic curves)
corresponds to the locus i ≠ j {\displaystyle i\neq j} . Using a weighted projective space and the Riemann–Hurwitz formula, a hyperelliptic curve can be...
24 KB (3,701 words) - 03:52, 16 April 2025
Calabi–Yau manifold (redirect from Calabi-Yau space)
varieties/orbifolds can be found as weighted complete intersections in a weighted projective space. The main tool for finding such spaces is the adjunction formula...
24 KB (3,256 words) - 00:17, 6 May 2025
K-theory (section K0 of projective space)
an intersection of spaces: Let Y 1 , Y 2 ⊂ X {\displaystyle Y_{1},Y_{2}\subset X} be projective subvarieties of a smooth projective variety. Then, we can...
27 KB (4,403 words) - 06:31, 11 May 2025
\ldots ,g^{a_{n}}x_{n})} and the quotient of this action gives the weighted projective space W P ( a 0 , … , a n ) {\displaystyle \mathbb {WP} (a_{0},\ldots...
34 KB (5,113 words) - 13:03, 2 April 2025
Sheaf (mathematics) (redirect from Sheaf space)
of a space X {\displaystyle X} into a space with known cohomology, such as P n {\displaystyle \mathbb {P} ^{n}} , or some weighted projective space. In...
69 KB (11,082 words) - 02:10, 6 June 2025
Cone (algebraic geometry) (redirect from Projective completion of a cone)
the total space of E, often written just as E, and the projective cone Proj X R {\displaystyle \operatorname {Proj} _{X}R} is the projective bundle of...
7 KB (1,354 words) - 16:28, 19 March 2025
hypersurfaces in n-dimensional projective space is Fano if and only if the sum of their degrees is at most n. Weighted projective space P(a0,...,an) is a singular...
10 KB (1,249 words) - 22:34, 24 May 2025
simplified by working in projective space rather than affine space, and so cubic surfaces are generally considered in projective 3-space P 3 {\displaystyle...
27 KB (3,487 words) - 22:04, 24 May 2025
several databases of K3 surfaces with du Val singularities in weighted projective spaces. The Picard group Pic(X) of a complex analytic K3 surface X is...
34 KB (5,246 words) - 02:53, 6 March 2025
fiber of a weighted homogenous polynomial, and also a formula for complements of weighted homogeneous polynomials in a weighted projective space.) Arapura...
30 KB (4,881 words) - 09:24, 12 January 2025
{\mathcal {O}}(k)} over P n {\displaystyle \mathbb {P} ^{n}} is the weighted projective space minus a point O ( k ) = P ( 1 , … , 1 , k ) − { [ 0 : ⋯ : 0 :...
9 KB (1,561 words) - 17:58, 2 March 2025
group is a subgroup of the projective group. For instance, Möbius transformations (transformations of the complex projective line, or Riemann sphere) are...
48 KB (7,537 words) - 05:07, 13 April 2025
&0&1\end{array}}\right]} , the matrix becomes a projective transformation matrix (as it can also be used to perform projective transformations). This representation...
26 KB (3,479 words) - 14:13, 30 May 2025
Space Cowboys is a 2000 American adventure drama film directed and produced by Clint Eastwood. It stars Eastwood, Tommy Lee Jones, Donald Sutherland,...
12 KB (1,263 words) - 20:19, 22 May 2025
generalization of Salberger's global determinant method to the setting of weighted projective space. E. Bombieri, J. Pila, The number of integral points on arcs and...
4 KB (635 words) - 16:58, 6 November 2024
2001: A Space Odyssey is a 1968 epic science fiction film produced and directed by Stanley Kubrick. The screenplay was written by Kubrick and Arthur C...
181 KB (18,894 words) - 12:31, 5 June 2025
\mathrm {d} \mu (x)\right)^{1/p}} As L p {\displaystyle L^{p}} -spaces, the weighted spaces have nothing special, since L p ( S , w d μ ) {\displaystyle...
65 KB (12,217 words) - 21:17, 14 April 2025
interpreted as a form of the plane sweep, in the projective dual of the input plane: a form of projective duality transforms the slope of a line in one plane...
4 KB (513 words) - 08:05, 1 May 2025
projectivization of a Hilbert space, usually called the complex projective space. The exact nature of this Hilbert space is dependent on the system; for...
128 KB (17,469 words) - 06:51, 28 May 2025
visualize perivascular spaces is T2-weighted MRI. The MR images of other neurological disorders can be similar to those of the dilated spaces. These disorders...
34 KB (3,940 words) - 17:10, 11 March 2025
Space Jam is a 1996 American live-action animated sports comedy film directed by Joe Pytka and written by Leo Benvenuti, Steve Rudnick, Timothy Harris...
71 KB (7,459 words) - 18:03, 2 June 2025
Office Space is a 1999 American satirical black comedy film written and directed by Mike Judge. It satirizes the office work life of a typical 1990s software...
57 KB (6,328 words) - 14:48, 29 May 2025
Plane-based geometric algebra (redirect from Projective geometric algebra)
Projective dual also maps planes to points, but it is not the case that both are reflections; instead, the projective dual switches between the space...
36 KB (4,361 words) - 21:03, 12 March 2025
of orbifolds. Another commonly studied family of orbifolds are weighted projective spaces P ( n 1 , … , n k ) {\displaystyle \mathbb {P} (n_{1},\ldots ...
39 KB (6,232 words) - 06:39, 6 May 2025
LMS (long, medium, short), is a color space which represents the response of the three types of cones of the human eye, named for their responsivity (sensitivity)...
25 KB (3,608 words) - 02:50, 27 April 2025