and related areas of mathematics, the neighbourhood system, complete system of neighbourhoods, or neighbourhood filter N ( x ) {\displaystyle {\mathcal...

defining the neighbourhood system, and then open sets as those sets containing a neighbourhood of each of their points. A neighbourhood system on X {\displaystyle...

A neighbourhood (Commonwealth English) or neighborhood (American English) is a geographically localized community within a larger city, town, suburb or...

administered by a neighbourhood council. It is located within the City Information System area of Śródmieście Północne. The name of the neighbourhood, Żelazna...

influence. "Clearing the neighbourhood" is one of three necessary criteria for a celestial body to be considered a planet in the Solar System, according to the...

of the many neighbourhoods that make up Toronto, Ontario, Canada has earned the city its unofficial nickname of "the city of neighbourhoods." There are...

for opposition to development of an area. Neighbourhood character has become a key term in the planning system of Victoria, Australia. Since 2001, it has...

filter at a point (because each is, in particular, also a neighbourhood subbasis). A π–system is a non-empty family of sets that is closed under finite...

Singapore modelled after the Japanese kōban system, whereby police presence is enhanced in the neighbourhoods with the aid of a high number of smaller police...

administered by a neighbourhood council. It is located within the City Information System area of Muranów, within the historical neighbourhood of Muranów. The...