negligible set
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Negligible set — See also: Generic property In mathematics, a negligible set is a set that is small enough that it can be ignored for some purpose. As common examples, finite sets can be ignored when studying the limit of a sequence, and null sets can be ignored… … Wikipedia
Negligible function — For other uses, see negligible. In mathematics, a negligible function is a function such that for every positive integer c there exists an integer Nc such that for all x > Nc, Equivalently, we may also use the following definition. A … Wikipedia
Meagre set — In the mathematical fields of general topology and descriptive set theory, a meagre set (also called a meager set or a set of first category) is a set that, considered as a subset of a (usually larger) topological space, is in a precise sense… … Wikipedia
Nowhere dense set — A subset A of a topological space X is nowhere dense in X if and only if the interior of the closure of A is empty. The order of operations is important. For example, the set of rational numbers, as a subset of R has the property that the closure … Wikipedia
Polar set (potential theory) — In mathematics, in the area of classical potential theory, polar sets are the negligible sets , similar to the way in which sets of measure zero are the negligible sets in measure theory. Definition A set Z in R^n (where nge 2) is a polar set if… … Wikipedia
null set — noun a) negligible set (in measure theory, a set which is negligible for the purposes of the measure in question) b) A less common name for the empty set … Wiktionary
List of exceptional set concepts — This is a list of exceptional set concepts. In mathematics, and in particular in mathematical analysis, it is very useful to be able to characterise subsets of a given set X as small , in some definite sense, or large if their complement in X is… … Wikipedia
Ideal (set theory) — In the mathematical field of set theory, an ideal is a collection of sets that are considered to be small or negligible . Every subset of an element of the ideal must also be in the ideal (this codifies the idea that an ideal is a notion of… … Wikipedia
Null set — In mathematics, a null set is a set that is negligible in some sense. For different applications, the meaning of negligible varies. In measure theory, any set of measure 0 is called a null set (or simply a measure zero set). More generally,… … Wikipedia
Strategies for Engineered Negligible Senescence — (SENS) is the name Aubrey de Grey gives to his proposal to research regenerative medical procedures to periodically repair all the age related damage in the human body, thereby maintaining a youthful state indefinitely.[1][2] The term first… … Wikipedia
