Uncommon · Knowledge
Square function
Function which maps a number to its square
Even function
Summary built from Wikidata data
Text: Wikipédia, CC BY-SA 4.0. · Image: Auswahlaxiom (CC BY-SA 4.0) ·
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Hyperbolic functions
Mathematical function related with trigonometric functions
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Cauchy's functional equation
Functional equation
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Prime quadruplet
Four prime numbers of the form {p, p+2, p+6, p+8}
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Peirce quincuncial projection
Map projection
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Summation by parts
Theorem to simplify sums of products of sequences
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Dirichlet convolution
Convolution operation defined on complex‐valued functions over positive integers
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Order type
Two ordered sets X,Y are said to have the same order type just when they are order isomorphic, that is, when there exists a bijection f: X → Y such that both f and its inverse are strictly increasing
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Cosine integral
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Number theory
Branch of pure mathematics devoted primarily to the study of the integers
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Inverse hyperbolic tangent
Inverse of the hyperbolic tangent function
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Ihara zeta function
Mathematical finite graph-associated function
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String (formal languages)
Finite formal sequence of symbols in theorical mathematics of formal languages, applied to information science, computer science, and telecommunications
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histoire de la fonction zêta de Riemann
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Jordan algebra
Not-necessarily-associative commutative algebra over a field satisfiying the identity (𝑥𝑦)𝑥²=𝑥(𝑦𝑥²)
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Iterated function
Mathematical operation of composing a function with itself repeatedly
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Orthogonality
Two vectors are said to be orthogonal if their scalar product is zero
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Display aspect ratio
Ratio between a display's width and height
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sum-product method
Factoring by grouping