algebraic geometry, given a Deligne–Mumford stack X, a perfect obstruction theory for X consists of: a perfect two-term complex E = [ E − 1 → E 0 ] {\displaystyle...
4 KB (596 words) - 21:32, 4 May 2023
{\text{Ext}}^{1}({\mathcal {E}},{\mathcal {E}})^{\vee }} which gives a perfect obstruction theory of dimension 0. In particular, this implies the associated virtual...
10 KB (1,324 words) - 19:46, 17 December 2024
Leth's The Perfect Human, and von Trier gives Leth the task of remaking The Perfect Human five times, each time with a different "obstruction" (or obstacle)...
12 KB (1,006 words) - 14:14, 24 February 2025
determined by the perfect obstruction theory and s0! is the refined Gysin homomorphism defined just as in Fulton's "Intersection theory". The same paper...
11 KB (1,446 words) - 02:50, 14 June 2023
made important contributions in the theory of algebraic stacks, Gromov–Witten invariants and Donaldson–Thomas theory (cf. Behrend function.) He is also...
4 KB (309 words) - 11:26, 18 July 2024
Forbidden graph characterization (category Graph theory)
finite obstruction set. Erdős–Hajnal conjecture Forbidden subgraph problem Matroid minor Zarankiewicz problem Diestel, Reinhard (2000), Graph Theory, Graduate...
17 KB (1,224 words) - 20:13, 16 April 2025
Virtual fundamental class (category Intersection theory)
Deligne-Mumford stacks using the intrinsic normal cone and a perfect obstruction theory, but the first definitions are more amenable for constructing...
9 KB (1,533 words) - 15:25, 30 January 2025
Algebraic number theory is a branch of number theory that uses the techniques of abstract algebra to study the integers, rational numbers, and their generalizations...
40 KB (5,798 words) - 10:21, 25 April 2025
Special relativity (redirect from Special theory of relativity)
In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time. In Albert...
186 KB (25,022 words) - 00:07, 28 May 2025
reflections. Near-line-of-sight (also NLOS) conditions refer to partial obstruction by a physical object present in the innermost Fresnel zone. Obstacles...
44 KB (6,551 words) - 02:47, 21 February 2025
Mueller special counsel investigation (redirect from Obstruction Investigation)
associates and their connection to Russian officials and espionage Possible obstruction of justice by Trump and his associates While the investigation found...
215 KB (17,847 words) - 02:40, 28 May 2025
supporting hyperplanes.[P89] As such, his construction provided further obstruction to the extension of a well-known theorem of Nikolai Efimov to higher...
65 KB (6,324 words) - 10:19, 6 May 2025
Vacuum (redirect from Perfect vacuum)
the order of minutes to days). High to ultra-high vacuum removes the obstruction of air, allowing particle beams to deposit or remove materials without...
67 KB (7,592 words) - 18:05, 23 May 2025
Threshold graph (category Perfect graphs)
pp. 145–162. Golumbic, Martin Charles (1980), Algorithmic Graph Theory and Perfect Graphs, New York: Academic Press. 2nd edition, Annals of Discrete...
7 KB (817 words) - 17:40, 29 January 2023
Fermion doubling (category Lattice field theory)
to a naive application of the inverse Wick transformation. The theory has an obstruction that does not allow for the simple replacement of p 4 = ± i ω...
25 KB (3,446 words) - 18:06, 23 May 2025
near-perfect record in Jan. 6 cases. But it's starting to stumble". Politico. Retrieved January 30, 2024. "Supreme Court appears divided over obstruction law...
19 KB (1,707 words) - 06:04, 27 May 2025
adopted two articles of impeachment against Trump: abuse of power and obstruction of Congress. On February 5, 2020, the Senate voted to acquit Trump on...
249 KB (12,950 words) - 23:15, 26 May 2025
productive career. On November 15, 2007, Bonds was indicted for perjury and obstruction of justice based on his grand jury testimony in this investigation. The...
20 KB (2,387 words) - 08:39, 1 April 2025
Cograph (category Perfect graphs)
if every vertex order of the graph is a perfect order, since having no P4 means that no obstruction to a perfect order will exist in any vertex order. A...
22 KB (2,689 words) - 18:27, 19 April 2025
2019 Trump–Ukraine scandal (redirect from Perfect phone call)
of impeachment. Trump was impeached on charges of abuse of power and obstruction of Congress, but was acquitted by the Senate. On December 3, 2019, as...
396 KB (35,450 words) - 16:07, 27 May 2025
succession of states, birth, rebirth of living beings and the world", without obstruction. Another nominal derivative from the same root is saṃsāra, referring...
57 KB (6,236 words) - 01:48, 19 March 2025
Lift (force) (section Obstruction of the airflow)
sections on theory of flight are understandable with a passing knowledge of calculus and physics. Craig, Paul P. (1957). "Observation of Perfect Potential...
100 KB (13,294 words) - 15:43, 24 May 2025
In number theory and algebraic geometry, a rational point of an algebraic variety is a point whose coordinates belong to a given field. If the field is...
21 KB (3,028 words) - 19:56, 26 January 2023
this path have completely freed themselves of all obstructions and afflictions and are thus perfected or fulfilled (niṣṭhā). According to the MS, one has...
38 KB (4,977 words) - 00:59, 22 May 2025
could make a determination on obstruction of justice (the report specifically stated "that Congress may apply obstruction laws") and that "these reports...
246 KB (24,043 words) - 15:32, 27 May 2025
after a night of heavy drinking. She was charged with assault and obstruction of breathing or blood circulation. "'OITNB' Star Taryn Manning Arrested...
50 KB (3,769 words) - 04:52, 25 May 2025
Airy pattern are descriptions of the best-focused spot of light that a perfect lens with a circular aperture can make, limited by the diffraction of light...
31 KB (4,806 words) - 08:31, 24 May 2025
Preamble to the United States Constitution (redirect from More perfect Union)
Philadelphia. We the People of the United States, in order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the...
79 KB (12,380 words) - 07:15, 25 May 2025
Pathwidth (category Graph minor theory)
1007/s004530010025, S2CID 9690525. Berge, Claude (1967), "Some classes of perfect graphs", Graph Theory and Theoretical Physics, New York: Academic Press, pp. 155–165...
66 KB (7,684 words) - 15:08, 5 March 2025
Donald Trump (section Conspiracy theories)
Capitol attack in 2021. He was impeached in 2019 for abuse of power and obstruction of Congress, and in 2021 for incitement of insurrection; the Senate acquitted...
360 KB (31,178 words) - 19:03, 28 May 2025