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The less-than sign is a mathematical symbol that denotes an inequality between two values. The widely adopted form of two equal-length strokes connecting in an acute angle at the left, <, has been found in documents dated as far back as the 1560s.
Specials is a short Unicode block of characters allocated at the very end of the Basic Multilingual Plane, at U+FFF0–FFFF, containing these code points: . U+FFF9 INTERLINEAR ANNOTATION ANCHOR, marks start of annotated text
Among English-speaking typographers the symbol may be called a "slashed O" [1] or "o with stroke". Although these names suggest it is a ligature or a diacritical variant of the letter o , it is considered a separate letter in Danish and Norwegian, and it is alphabetized after z — thus x , y , z , æ , ø , and å .
The feasible regions of linear programming are defined by a set of inequalities.. In mathematics, an inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions. [1]
Note that the vanilla Azuma's inequality requires symmetric bounds on martingale increments, i.e. .So, if known bound is asymmetric, e.g. , to use Azuma's inequality, one need to choose = (| |, | |) which might be a waste of information on the boundedness of .
In mathematics, the Paley–Zygmund inequality bounds the probability that a positive random variable is small, in terms of its first two moments.The inequality was proved by Raymond Paley and Antoni Zygmund.