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Topics referred to by the same term
Look up np in Wiktionary, the free dictionary. NP may refer to: NP (novel), by Japanese author Banana Yoshimoto Nacionalista Party, a political party in
NP
Unsolved problem in computer science
polynomial time? More unsolved problems in computer science The P versus NP problem is a major unsolved problem in theoretical computer science. Informally
P_versus_NP_problem
Complexity class
theory, NP-complete problems are the hardest of the problems to which solutions can be verified quickly. Somewhat more precisely, a problem is NP-complete
NP-completeness
Complexity class
the P=NP problem, and in NP-completeness. See co-NP and NP-complete for more details. A decision problem C is co-NP-complete if it is in co-NP and if
Co-NP-complete
Complexity class used to classify decision problems
{\mathsf {P\ {\overset {?}{=}}\ NP}}} More unsolved problems in computer science In computational complexity theory, NP (nondeterministic polynomial time)
NP_(complexity)
Complexity class
as hard as NP, but not necessarily in NP. NP-equivalent Decision problems that are both NP-hard and NP-easy, but not necessarily in NP. NP-intermediate
NP-hardness
Internet country-code top level domain for Nepal
.np is the Internet country code top-level domain (ccTLD) for Nepal. It is administered by Mercantile Communication Pvt Ltd. Domain registrations under
.np
Complexity class of problems
problems that are in the complexity class NP but are neither in the class P nor NP-complete are called NP-intermediate, and the class of such problems
NP-intermediate
Complexity class
co-NP; i.e., co-NP ⊆ NP {\displaystyle {\textsf {co-NP}}\subseteq {\textsf {NP}}} . Thus co-NP = NP {\displaystyle {\textsf {co-NP}}={\textsf {NP}}}
Co-NP
for some decision problem in NP. In other words, a problem X is NP-easy if and only if there exists some problem Y in NP such that X is polynomial-time
NP-easy
complexity class NP-equivalent is the set of function problems that are both NP-easy and NP-hard. NP-equivalent is the analogue of NP-complete for function
NP-equivalent
In computational complexity, an NP-complete (or NP-hard) problem is weakly NP-complete (or weakly NP-hard) if there is an algorithm for the problem whose
Weak_NP-completeness
Computational property
computational complexity, strong NP-completeness is a property of computational problems that is a special case of NP-completeness. A general computational
Strong_NP-completeness
Heavy NP shift is an operation that involves re-ordering (shifting) a "heavy" noun phrase (NP) to a position to the right of its canonical position under
Heavy_NP_shift
In computational complexity theory, NP/poly is a complexity class, a non-uniform analogue of the class NP of problems solvable in polynomial time by a
NP/poly
Chinese pistol
The NP-18 is a Chinese copy of the FEG P9R. The NP-18 has a heavy duty forged (not cast) steel frame and slide, which makes it one of the most solid, robust
NP-18
Chemical element with atomic number 93 (Np)
Neptunium is a chemical element; it has symbol Np and atomic number 93. A radioactive actinide metal, neptunium is the first transuranic element. It is
Neptunium
Chemical compound
NP-40 (also known as Tergitol-type NP-40 and nonyl phenoxypolyethoxylethanol) is a commercially available detergent with CAS Registry Number 9016-45-9
NP-40
Country in South Asia
Birmingham: UK:GSDRC. https://web.archive.org/web/20220206104652/https://cbs.gov.np/wp-content/upLoads/2022/01/Final%20Preliminary%20Report%20of%20Census%202021%20Newfinal
Nepal
Pharmaceutical compound
NP-1031 is an oxytocin receptor modulator which is under development for the treatment of Prader–Willi syndrome. Its route of administration has not been
NP-1031
Set of computational problems stated by Richard Karp (1973)
computational complexity theory, Karp's 21 NP-complete problems are a set of computational problems which are NP-complete. In his 1972 paper, "Reducibility
Karp's 21 NP-complete problems
Karp's_21_NP-complete_problems
Inherent difficulty of computational problems
determine the practical limits on what computers can and cannot do. The P versus NP problem, one of the seven Millennium Prize Problems, is part of the field
Computational complexity theory
Computational_complexity_theory
stable being 236m Np (t1/2 22.5 hours). The isotopes of neptunium range from 219 Np to 244 Np, though the intermediate isotope 221 Np has not yet been
Isotopes_of_neptunium
Independent news media organization in Myanmar
NP News (Burmese: အန်ပီနျူးစ်, IPA: [ʔàɰ̃ pì ɲjúʔ]) is a Myanmar-based news agency established in 2021 by journalist and media entrepreneur Kyaw Myo Min
NP_News
Boolean satisfiability is NP-complete and therefore that NP-complete problems exist
states that the Boolean satisfiability problem is NP-complete. That is, it is in NP, and any problem in NP can be reduced in polynomial time by a deterministic
Cook–Levin_theorem
This is a list of some of the more commonly known problems that are NP-complete when expressed as decision problems. As there are thousands of such problems
List_of_NP-complete_problems
In statistical quality control, the np-chart is a type of control chart used to monitor the number of nonconforming units in a sample. It is an adaptation
Np-chart
US Navy two-seat primary trainer aircraft circa 1940
The Spartan NP-1 was a two-seat primary trainer designed and built by the Spartan Aircraft Company for the United States Navy reserve units. On 10 July
Spartan_NP
Mid-level medical provider
A nurse practitioner (NP) is an advanced practice registered nurse and a type of mid-level practitioner. NPs are trained to assess patient needs, order
Nurse_practitioner
Class of transmembrane transport proteins
The Neisserial Phage-associated Holin (NP-Holin) Family (TC# 1.E.22) is a family of small proteins, between 47–53 amino acyl residues in length, that exhibit
NP-holin_family
Theorem in computational complexity theory
If any sparse language is NP-hard, then P=NP. Note that the existence of an NP-hard sparse set implies the existence of an NP-complete sparse set. Mahaney's
Mahaney's_theorem
1914–1997 South African political party
The National Party (Afrikaans: Nasionale Party, NP), also referred to as the Nationalist Party by its opponents, was a political party in South Africa
National_Party_(South_Africa)
Ullekh NP is an author with four published Indian books and a journalist working on social, economic and geopolitical issues from India. Ullekh NP was born
Ullekh_NP
11.8% ONP (as in the 2025 federal election between the ALP and L/NP, but replacing L/NP with ONP). All other preferences split evenly between ALP and ONP
Opinion polling for the next Australian federal election
Opinion_polling_for_the_next_Australian_federal_election
1979 classic textbook on computational complexity theory
the Theory of NP-Completeness is a textbook by Michael Garey and David S. Johnson. It was the first book exclusively on the theory of NP-completeness and
Computers_and_Intractability
Probability distribution
{\begin{aligned}\mu _{1}&=0,\\\mu _{2}&=np\left(1-p\right),\\\mu _{3}&=np\left(1-p\right)\left(1-2p\right),\\\mu _{4}&=np\left(1-p\right)\left[1+\left(3n-6
Binomial_distribution
Seven mathematical problems with a US$1 million prize for each solution
conjecture, Hodge conjecture, Navier–Stokes existence and smoothness, P versus NP problem, Riemann hypothesis, Yang–Mills existence and mass gap, and the Poincaré
Millennium_Prize_Problems
1990 novel by Banana Yoshimoto
NP (N・P) is a novel written by Japanese author Banana Yoshimoto (吉本ばなな) in 1990 and translated into English in 1994 by Ann Sherif. "NP" is both the name
NP_(novel)
Phrase which grammatically functions the same as a noun
A noun phrase – or NP or nominal (phrase) – is a phrase that usually has a noun or pronoun as its head, and has the same grammatical functions as a noun
Noun_phrase
Subfield of mathematical optimization
discrete optimization problems are NP-complete, such as the traveling salesman (decision) problem, this is expected unless P=NP. For each combinatorial optimization
Combinatorial_optimization
26222; -96.04861 The NP Dodge Company is based in Omaha, Nebraska. Established in 1855 as a small land office in Council Bluffs, Iowa. NP Dodge Company is
NP_Dodge_Company
Postcode area within the United Kingdom
Template:Attached KML/NP postcode area KML is from Wikidata The NP postcode area, also known as the Newport postcode area, is a group of eighteen postcode
NP_postcode_area
Chemical compound
chemical formula NpCl4. The compound can be prepared by: the reaction of neptunium nitride with HCl: 2 NpN + 8 HCl → N2 + 4 H2 + 2 NpCl4 the reaction of
Neptunium_tetrachloride
Computer science concept
hierarchy) is a hierarchy of complexity classes that generalize the classes NP and co-NP. Each class in the hierarchy is contained within PSPACE. The hierarchy
Polynomial_hierarchy
South African poet (1906–1970)
Cape Colony – 18 June 1970 in Johannesburg), almost universally known as N.P. van Wyk Louw, was an Afrikaans-language poet, playwright and scholar. He
N._P._van_Wyk_Louw
Indian combat aircraft
Prototypes (NP) NP-1 (KHN-T3001) – Two-seat naval variant for carrier operations. Rolled out in July 2010. NP-1 made its first flight on 27 April 2012. NP-2 (NAVY3002)
HAL_Tejas
Topics referred to by the same term
1-NP may refer to: Naphthylpiperazine 1-Nitropropane This disambiguation page lists articles associated with the same title formed as a letter–number combination
1-NP
Notation in general relativity
The Newman–Penrose (NP) formalism is a set of notation developed by Ezra T. Newman and Roger Penrose for general relativity (GR). Their notation is an
Newman–Penrose_formalism
Burials at Forest Lawn Memorial Park
I J K L M N O P Q R S T U V W X Y Z (Those in non-public areas are marked NP.) John Aasen (1890–1938), silent movie giant Forrest J Ackerman (1916–2008)
List of burials at Forest Lawn Memorial Park (Glendale)
List_of_burials_at_Forest_Lawn_Memorial_Park_(Glendale)
3-satisfiability (NAE3SAT) is an NP-complete variant of the Boolean satisfiability problem, often used in proofs of NP-completeness. Like 3-satisfiability
Not-all-equal 3-satisfiability
Not-all-equal_3-satisfiability
Text editor and source code editor for Windows
Notepad++ (sometimes npp or NPP) is a text and source-code editor for use with Microsoft Windows. It supports tabbed editing, which allows working with
Notepad++
Semi-automatic pistol
There are five variants of the Type 77 pistol, three of which (NP-20, NP-24 and NP-24A) are based on the M-77B variant. All variants of the Type 77
Type_77_pistol
Set of problems in computational complexity theory
space complexity classes relate to each other in the following way: L⊆NL⊆P⊆NP⊆PSPACE⊆EXPTIME⊆NEXPTIME⊆EXPSPACE Where ⊆ denotes the subset relation. However
Complexity_class
Concept in complexity theory
An NP-complete problem with known pseudo-polynomial time algorithms is called weakly NP-complete. An NP-complete problem is called strongly NP-complete
Pseudo-polynomial_time
American computer scientist (born 1963)
language in co-NP that does not have an interactive protocol. In November 1989, Fortnow received an email from Noam Nisan showing that co-NP had multiple
Lance_Fortnow
Chemical compound
ions with the formula Np(C2O4)2. It has been known at least since 1947. It is known to form several hydrates with formulas Np(C2O4)2·xH2O (x = 1, 2,
Neptunium(IV)_oxalate
Burmese journalist (born 1985)
October 1985) is a Burmese journalist and the founder and editor-in-chief of NP News, a media outlet that gained significant attention after the 2021 military
Kyaw_Myo_Min
(state) ALP 28 L-NP 39 Grn 12 IND 9* other 11 *generic IND, may be overstated 2PP (respondent) 51-49 to L-NP My 2PP estimate 51.9 to L-NP (+4.6) #springst"
Opinion polling for the 2026 Victorian state election
Opinion_polling_for_the_2026_Victorian_state_election
Entry for Nepal in ISO 3166-2
ISO 3166-2:NP is the entry for Nepal in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO)
ISO_3166-2:NP
Unsolved problem in computational complexity theory
solvable in polynomial time nor to be NP-complete, and therefore may be in the computational complexity class NP-intermediate. It is known that the graph
Graph_isomorphism_problem
When a finite set S of relations yields polynomial-time or NP-complete problems
finite set S of relations over the Boolean domain yields polynomial-time or NP-complete problems when the relations of S are used to constrain some of the
Schaefer's_dichotomy_theorem
Chemical compound
is an inorganic compound of neptunium and oxygen with the chemical formula NpO3. Neptunium trioxide can be obtained by oxidating neptunium(V) nitrate solution
Neptunium_trioxide
Chemical compound
fluorine with the formula NpF5. Neptunium(V) fluoride can be prepared by reacting neptunium(VI) fluoride with iodine: 10 NpF6 + I2 → 10 NpF5 + 2 IF5 From the
Neptunium(V)_fluoride
Unsolved problem in structural complexity theory
computer science Is there a polynomial time isomorphism between every two NP-complete languages? More unsolved problems in computer science In structural
Berman–Hartmanis_conjecture
Python library for numerical programming
= np.linspace(-np.pi, np.pi, 100) b: float64 = np.sin(a) c: float64 = np.cos(a) # Functions can take both numbers and arrays as parameters. print(np.sin(1))
NumPy
Complexity class
class FNP is the function problem extension of the decision problem class NP. The name is somewhat of a misnomer, since technically it is a class of binary
FNP_(complexity)
Abstract machine that models computation
be reduced to ϵ ℓ {\displaystyle \epsilon ^{\ell }} . The complexity class NP may be viewed as a very simple proof system. In this system, the verifier
Interactive_proof_system
Mathematical optimization problem restricted to integers
integer constraints) are linear. Integer programming is NP-complete (the difficult part is showing the NP membership). In particular, the special case of 0–1
Integer_programming
cast a cloud over the elections, which were again won by the National Party (NP) under the leadership of P. W. Botha, although for the first time it faced
1987 South African general election
1987_South_African_general_election
Complexity class
{\mathsf {NP}}\cap {\mathsf {coNP}}={\mathsf {P}}} then F ( N P ∩ c o N P ) = F P {\displaystyle {\mathsf {F}}({\mathsf {NP}}\cap {\mathsf {coNP}})={\mathsf
TFNP
Branch of computational complexity theory
of efficient, exact, and deterministic solving algorithms for NP-complete, or otherwise NP-hard, problems is considered unlikely, if input parameters are
Parameterized_complexity
Chemical compound
chemical formula of NpBr3. Neptunium(III) bromide can be prepared by reacting neptunium dioxide and aluminium bromide: 6 NpO2 + 8 AlBr3 → 6 NpBr3 + 4 Al2O3 +
Neptunium(III)_bromide
Unsolved problem in computational complexity theory
P ≠ NP, then for many important problems it is not only impossible to get an exact solution in polynomial time (as postulated by the P versus NP problem)
Unique_games_conjecture
French nuclear reactor design company
series of mergers with Cogema and Technicatome, Framatome became the Areva NP division of the new Areva. It changed its name back to Framatome in 2018 after
Framatome
Problem of determining if a Boolean formula could be made true
problem that was proven to be NP-complete—this is the Cook–Levin theorem. This means that all problems in the complexity class NP, which includes a wide range
Boolean satisfiability problem
Boolean_satisfiability_problem
Chemical compound
chemical formula NpI3. Neptunium(III) iodide can be produced by the reaction of neptunium dioxide and aluminium iodide: 6 NpO2 + 8 AlI3 → 6 NpI3 + 4 Al2O3
Neptunium(III)_iodide
Classification of computer problems
in computer science – whether P = NP – by showing that the complexity class P is not equal to the complexity class NP. The idea behind the approach is
Geometric_complexity_theory
Difficulty measures for computer science problems
and complementation) of NP sets. Equivalently, the Boolean hierarchy can be described as the class of Boolean circuits over NP predicates. A collapse of
Boolean_hierarchy
Last election in South Africa under apartheid
required until 1992) by the recently elected head of the National Party (NP), F. W. de Klerk, who was in the process of replacing P. W. Botha as the country's
1989 South African general election
1989_South_African_general_election
NP (the set of all decision problems checkable, but not necessarily solvable, in polynomial time). Since P is a subset of NP, this would mean that NP
Resource-bounded_measure
If there is a polynomial time algorithm for unambiguous-SAT, then NP equals RP
algorithm for Unambiguous-SAT, then NP = RP. It was proven by Leslie Valiant and Vijay Vazirani in their paper titled NP is as easy as detecting unique solutions
Valiant–Vazirani_theorem
Complication of lung parenchymal infection
Necrotizing pneumonia (NP), also known as cavitary pneumonia or cavitatory necrosis, is a rare but severe complication of lung parenchymal infection. In
Necrotizing_pneumonia
complexity class NP. The low hierarchy starts from complexity class P and grows "upwards", while the high hierarchy starts from class NP and grows "downwards"
Low_and_high_hierarchies
Chemical compound
fluoride or neptunium tetrafluoride is an inorganic compound with the formula NpF4. It is a green salt and is isostructural with UF4. Neptunium(IV) fluoride
Neptunium(IV)_fluoride
Randomized polynomial time class of computational complexity theory
≠ NP, this then implies that RP is strictly contained in NP. It is not known whether RP = co-RP, or whether RP is a subset of the intersection of NP and
RP_(complexity)
Chemical compound
1-Nitropropane (1-NP) is a solvent. It is a colorless liquid, an isomer of 2-nitropropane (2-NP), and classified as a nitro compound. 1-nitropropane is
1-Nitropropane
Macedonian political party
(Macedonian: ВMPO–Народна Партија, romanized: VMRO – Narodna Partija) and VMRO–NP (Macedonian: ВMPO–НП), is a national-conservative political party in North
VMRO_–_People's_Party
Problem of finding a cycle through all vertices of a graph
class of NP-complete problems, as shown in Michael Garey and David S. Johnson's book Computers and Intractability: A Guide to the Theory of NP-Completeness
Hamiltonian_path_problem
Structural protein which encapsidates viral RNA
Influenza virus nucleoprotein (NP) is a structural protein which encapsidates the negative strand viral RNA. NP is one of the main determinants of species
Influenza_virus_nucleoprotein
Subset of a graph's vertices, including at least one endpoint of every edge
classical optimization problem. It is NP-hard, so it cannot be solved by a polynomial-time algorithm if P ≠ NP. Moreover, it is hard to approximate –
Vertex_cover
believed that NP is unequal to co-NP (the class of complements of languages in NP), which would imply more strongly that the complements of all NP-complete
Polynomial_creativity
National park in Maine, United States
Harbor's Zip Code is 04609 "U.S. Climate Normals Quick Access – Station: Acadia NP, ME (1991–2020)". National Oceanic and Atmospheric Administration. Retrieved
Acadia_National_Park
Revolver
People's Republic of China. It is also identified as ZLS05, Type 05 and Norinco NP-216. The 9mm police revolver was designed for law enforcement use. The overall
Norinco_9mm_Police_Revolver
Chemical compound
chemical formula NpN. Neptunium nitride can be prepared by the reaction of freshly obtained neptunium hydride and ammonia: NpH3 + NH3 → NpN + 3H2 The reaction
Neptunium_nitride
Post-secondary academic institution in Singapore
Ngee Ann Polytechnic (NP, /ˈniː ɑːn/ NEE ahn) is a post-secondary education institution and statutory board under the purview of the Ministry of Education
Ngee_Ann_Polytechnic
Problem of finding the longest simple path for a given graph
path problem is NP-hard and the decision version of the problem, which asks whether a path exists of at least some given length, is NP-complete. This means
Longest_path_problem
Minister Council Madhesh". ocmcm.madhesh.gov.np. "Ministry of Physical Infrastructure Development". mopid.p2.gov.np. Official website Official website "भूमि
List_of_ministries_of_Nepal
Chemical compound
carbon with the chemical formula NpC. Heating of freshly obtained neptunium hydride with carbon at 1400 °C: NpHx + C → NpC + (x/2)H2↑ The compound forms
Neptunium_monocarbide
Algorithm characteristic in computations
class distNP if L is in NP and D is P-computable. When L is in NP and D is P-samplable, (L, D) belongs to sampNP. Together, AvgP and distNP define the
Average-case_complexity
U.S. national park located in West Texas, bordering Mexico
population. More than 450 species of birds have been recorded at Big Bend NP. Eight basic land cover types occur in the park. In order of predominance
Big_Bend_National_Park
NP
NP
NP
NP
Boy/Male
Tamil
Sowmika | ஸோவà¯à®®à¯€à®•à®¾
Angel, Princess
Girl/Female
German
Army of elves.
Surname or Lastname
English (Midlands)
English (Midlands) : probably an anecdotal nickname meaning ‘fall in the well’.
Girl/Female
Hebrew
Seed.
Girl/Female
Indian, Punjabi, Sikh
The King of Gods
Boy/Male
Hindu, Indian, Tamil
Lord Shiva
Boy/Male
Hindu, Indian, Marathi, Telugu
The Karma we Perform in this Birth
Boy/Male
Australian, Hebrew, Italian
The Lord has Remembered
Boy/Male
Arabic Muslim
Divides.
Surname or Lastname
English
English : from a pet form of Bagge 2.
NP
NP
NP
NP
NP
a.
Of or pertaining to npotism.