Nno Hegirae, AH 436
NNO may stand for: * Nuveen North Carolina Dividend Advantage Municipal Fund 2 (stock symbol: NNO) * Natural number object, in category theory, a subfield of mathematics * National Night Out, a crime prevention activity in the United States * Nynorsk, ISO 639-2 and ISO 639-3 language codes * Nitrous oxide Nitrous oxide (dinitrogen oxide or dinitrogen monoxide), commonly known as laughing gas, nitrous, or factitious air, among others, is a chemical compound, an Nitrogen oxide, oxide of nitrogen with the Chemical formula, formula . At room te ...

Nuveen North Carolina Dividend Advantage Municipal Fund 2
Nuveen is an American asset manager and wholly owned subsidiary of financial planning firm TIAA, itself known for its legacy focus on managing money for not-for-profit institutions such as universities and their employees. As a consequence of integration efforts over the last several years, Nuveen (or branded sub-affiliates) now manage the entirety of TIAA's own capital as well as all capital sourced from third parties. It is one of a limited number of non-sovereign money managers globally that have exceeded one trillion dollars in assets under management in recent years, and one of only a few that are not part of a larger organization offering retail or institutional banking at scale. Nuveen was founded in Chicago, Illinois, in 1898 and originally focused solely on municipal bond underwriting and investments. While its investments today span nearly all major areas of capital markets, it is known for its size and influence in domestic fixed income generally, tax advantaged municip ...
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Natural Number Object
In category theory, a natural numbers object (NNO) is an object endowed with a Recursion (computer science), recursive Mathematical structure, structure similar to natural numbers. More precisely, in a Category (mathematics), category E with a terminal object 1, an NNO ''N'' is given by: # a global element ''z'' : 1 → ''N'', and # an morphism, arrow ''s'' : ''N'' → ''N'', such that for any object ''A'' of E, global element ''q'' : 1 → ''A'', and arrow ''f'' : ''A'' → ''A'', there exists a unique arrow ''u'' : ''N'' → ''A'' such that: # ''u'' ∘ ''z'' = ''q'', and # ''u'' ∘ ''s'' = ''f'' ∘ ''u''. In other words, the triangle and square in the following diagram commute. The pair (''q'', ''f'') is sometimes called the ''recursion data'' for ''u'', given in the form of a recursive definition: # ⊢ ''u'' (''z'') = ''q'' # ''y'' ∈E ''N'' ⊢ ''u'' (''s'' ''y'') = ''f'' (''u'' (''y'')) The above definition is the universal property of NNOs, meaning they are defined ...
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Category Theory
Category theory is a general theory of mathematical structures and their relations. It was introduced by Samuel Eilenberg and Saunders Mac Lane in the middle of the 20th century in their foundational work on algebraic topology. Category theory is used in most areas of mathematics. In particular, many constructions of new mathematical objects from previous ones that appear similarly in several contexts are conveniently expressed and unified in terms of categories. Examples include quotient space (other), quotient spaces, direct products, completion, and duality (mathematics), duality. Many areas of computer science also rely on category theory, such as functional programming and Semantics (computer science), semantics. A category (mathematics), category is formed by two sorts of mathematical object, objects: the object (category theory), objects of the category, and the morphisms, which relate two objects called the ''source'' and the ''target'' of the morphism. Metapho ...
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National Night Out
National Night Out is a community policing awareness-raising event in the United States, held the first Tuesday of August. Texas celebrates on the first Tuesday in October. History National Night Out was established by Matt Peskin in the western suburbs of Philadelphia Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ..., Pennsylvania, and has been held annually since 1984. In the United States, the event is sponsored by the National Association of Town Watch.Block, Deborah (August 3, 2016).US National Night Out Brings Neighbors Together to Fight Crime. ''VOA News''. National Night Out began simply with neighbors turning on their porch lights and sitting in front of their homes. The first National Night Out involved 2.5 million residents across 400 communities in 23 states; National ...
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Nynorsk
Nynorsk (; ) is one of the two official written standards of the Norwegian language, the other being Bokmål. From 12 May 1885, it became the state-sanctioned version of Ivar Aasen's standard Norwegian language (''Landsmål''), parallel to the Dano-Norwegian written standard known as Riksmål. The name Nynorsk was introduced in 1929. After a series of reforms, it is still the written standard closer to , whereas Bokmål is closer to Riksmål and Danish. Between 10 and 15 percent of Norwegians (primarily in the west around the city of Bergen) have Nynorsk as their official language form, estimated by the number of students attending secondary schools. Nynorsk is also taught as a mandatory subject in both high school and middle school for all Norwegians who do not have it as their own language form. History Norway had its own written and oral language—Old Norse, Norwegian. After the Kalmar Union, Norway became a Denmark–Norway, less important part of Denmark. At that time, Dani ...
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