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Moment generating function - Wikipedia

https://en.wikipedia.org/wiki/Moment_generating_function
If the expectation does not exist in an open neighborhood of 0, we say that the moment generating function does not exist

Bijection - Wikipedia

https://en.wikipedia.org/wiki/Bijective
A function is bijective if and only if it is invertible; that is, a function f : X → Y {\displaystyle f:X\to Y} is bijective if and only if there is a function g : Y → X , {\displaystyle g:Y\to X,} the inverse of f, such that each of the two ways for composing the two functions produces an identity function: g ( f

Poincaré recurrence theorem - Wikipedia

https://en.wikipedia.org/wiki/Poincar%C3%A9_recurrence_theorem
[3][4] In simple terms, it states that if a system has a finite volume (or total probability measure) and preserves that volume over time, then almost every initial state will eventually return arbitrarily close to its starting position, and it will do so infinitely many times

Lehmann–Scheffé theorem - Wikipedia

https://en.wikipedia.org/wiki/Lehmann%E2%80%93Scheff%C3%A9_theorem
This is where the Lehmann–Scheffé theorem comes in, if T {\displaystyle T} is also complete, that is, for any real-valued measurable function φ {\displaystyle \varphi } it holds E θ [ φ ( T ( X ) ) ] = 0 ⟹ φ ( T ( X ) ) = 0 P θ -a

Slavery in ancient Egypt - Wikipedia

https://en.wikipedia.org/wiki/Slavery_in_ancient_Egypt
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Truth table - Wikipedia

https://en.wikipedia.org/wiki/Truth_tables
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Interval (mathematics) - Wikipedia

https://en.wikipedia.org/wiki/Interval_(mathematics)
[1] The endpoints of an interval are its supremum (least upper bound), and its infimum (greatest lower bound), if they exist as real numbers

Semigroup - Wikipedia

https://en.wikipedia.org/wiki/Semigroup
If the semigroup operation is commutative, then the semigroup is called a commutative semigroup or (less often than in the analogous case of groups) it may be called an abelian semigroup

White noise - Wikipedia

https://en.wikipedia.org/wiki/White_noise
[3] In particular, if each sample has a normal distribution with zero mean, the signal is said to be additive white Gaussian noise

Mathematical proof - Wikipedia

https://en.wikipedia.org/wiki/Mathematical_proof
A proposition that has not been proved but is believed to be true is known as a conjecture, or a hypothesis if frequently used as an assumption for further mathematical work

Ideal (ring theory) - Wikipedia

https://en.wikipedia.org/wiki/Ideal_(ring_theory)
If the ring is commutative, the definitions of left, right, and two-sided ideal coincide, and one talks simply of an ideal

Autoregressive conditional heteroskedasticity - Wikipedia

https://en.wikipedia.org/wiki/Autoregressive_conditional_heteroskedasticity
The ARCH model is appropriate when the error variance in a time series follows an autoregressive (AR) model; if an autoregressive moving average (ARMA) model is assumed for the error variance, the model is a generalized autoregressive conditional heteroskedasticity (GARCH) model

Projective variety - Wikipedia

https://en.wikipedia.org/wiki/Projective_varieties
A projective variety is a projective curve if its dimension is one; it is a projective surface if its dimension is two; it is a projective hypersurface if its dimension is one less than the dimension of the containing projective space; in this case it is the set of zeros of a single homogeneous polynomial

Axiomatic system - Wikipedia

https://en.wikipedia.org/wiki/Axiomatic_system
It is not, however, evident whether the existence of inverse elements was axiomatic: it would follow from the semantic assumption that groups were permutation groups (permutations being invertible by definition) or geometric transformations with the same property

Autoregressive model - Wikipedia

https://en.wikipedia.org/wiki/Autoregressive_model
Continuing this process shows that the effect of ε 1 {\displaystyle \varepsilon _{1}} never ends, although if the process is stationary then the effect diminishes toward zero in the limit

Mathematical descriptions of the electromagnetic field - Wikipedia

https://en.wikipedia.org/wiki/Mathematical_descriptions_of_the_electromagnetic_field
If only the electric field (E) is non-zero, and is constant in time, the field is said to be an electrostatic field

Kurtosis - Wikipedia

https://en.wikipedia.org/wiki/Excess_kurtosis
In particular if all of the ''i''</sub>"}},"i":0}}]}'>Xi have the same variance, then this simplifies to Kurt ⁡ [ Y ] − 3 = 1 n 2 ∑ i = 1 n ( Kurt ⁡ [ X i ] − 3 )

p-adic number - Wikipedia

https://en.wikipedia.org/wiki/P-adic_number
} In general the series that represents a p-adic number is not convergent in the usual sense, but it is convergent for the p-adic absolute value | s | p = p − k , {\displaystyle |s|_{p}=p^{-k},} where k is the least integer i such that a i ≠ 0 {\displaystyle a_{i}\neq 0} (if all a i {\displaystyle a_{i}} are zero

Affine connection - Wikipedia

https://en.wikipedia.org/wiki/Affine_connection
In differential geometry, an affine connection[a] is a geometric object on a smooth manifold which connects nearby tangent spaces, so it permits tangent vector fields to be differentiated as if they were functions on the manifold with values in a fixed vector space

Timeline of scientific discoveries - Wikipedia

https://en.wikipedia.org/wiki/Timeline_of_scientific_discoveries
This article discounts mere speculation as discovery, although imperfect reasoned arguments, arguments based on elegance/simplicity, and numerically/experimentally verified conjectures qualify (as otherwise no scientific discovery before the late 19th century would count)

Statistical hypothesis test - Wikipedia

https://en.wikipedia.org/wiki/Hypothesis_test
If this probability (called the p-value) is less than the significance level of the test (denoted α {\displaystyle \alpha } ), then the null hypothesis is rejected

Statistical hypothesis test - Wikipedia

https://en.wikipedia.org/wiki/Hypothesis_testing
If this probability (called the p-value) is less than the significance level of the test (denoted α {\displaystyle \alpha } ), then the null hypothesis is rejected

Markov chain - Wikipedia

https://en.wikipedia.org/wiki/Markov_chain
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Poisson distribution - Wikipedia

https://en.wikipedia.org/wiki/Poisson_distribution
z-1\right)\right]} Fisher information 1 λ {\displaystyle {\frac {1}{\lambda }}} In probability theory and statistics, the Poisson distribution (/ˈpwɑːsɒn/) is a discrete probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time if these events

Log-normal distribution - Wikipedia

https://en.wikipedia.org/wiki/Log-normal_distribution
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Appeasement - Wikipedia

https://en.wikipedia.org/wiki/Appeasement
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Glossary of commutative algebra - Wikipedia

https://en.wikipedia.org/wiki/Glossary_of_commutative_algebra
  An ideal in a polynomial ring over a field is called absolutely prime if its extension remains prime for every extension of the field

Group (mathematics) - Wikipedia

https://en.wikipedia.org/wiki/Group_(mathematics)
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Game theory - Wikipedia

https://en.wikipedia.org/wiki/Game_theory
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Financial economics - Wikipedia

https://en.wikipedia.org/wiki/Financial_economics
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