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  2. Fatou's lemma - Wikipedia

    en.wikipedia.org/wiki/Fatou's_lemma

    This sequence converges uniformly on S to the zero function and the limit, 0, is reached in a finite number of steps: for every x ≥ 0, if n > x, then f n (x) = 0. However, every function f n has integral −1. Contrary to Fatou's lemma, this value is strictly less than the integral of the limit (0).

  3. Föppl–von Kármán equations - Wikipedia

    en.wikipedia.org/wiki/Föppl–von_Kármán...

    where E is the Young's modulus of the plate material (assumed homogeneous and isotropic), υ is the Poisson's ratio, h is the thickness of the plate, w is the out–of–plane deflection of the plate, P is the external normal force per unit area of the plate, σ αβ is the Cauchy stress tensor, and α, β are indices that take values of 1 and ...

  4. Limit inferior and limit superior - Wikipedia

    en.wikipedia.org/wiki/Limit_inferior_and_limit...

    That is, xlim sup X n if and only if there exists a subsequence (X n k) of (X n) such that xX n k for all k. lim inf X n consists of elements of X which belong to X n for all except finitely many n (i.e., for cofinitely many n). That is, xlim inf X n if and only if there exists some m > 0 such that xX n for all n > m.

  5. Function of a real variable - Wikipedia

    en.wikipedia.org/wiki/Function_of_a_real_variable

    If f(x) is such a complex valued function, it may be decomposed as f(x) = g(x) + ih(x), where g and h are real-valued functions. In other words, the study of the complex valued functions reduces easily to the study of the pairs of real valued functions.

  6. Changhe Z-18 - Wikipedia

    en.wikipedia.org/wiki/Changhe_Z-18

    Z-18A / Z-8G: Transport variant with extended nose expected to replace Z-8A/B. Features a nose mounted terrain-following radar. [2] Multiple subvariants with differing equipment configurations such as: SATCOM fairing on tailboom, flare/chaff launchers + MAWS/RWR/LWR sensors on fuselage and sponsons, QJH001 machine gun on side door, ECM ...

  7. List of Life Bar episodes - Wikipedia

    en.wikipedia.org/wiki/List_of_Life_Bar_episodes

    Life Bar (Korean: 인생술집) is a South Korean Talk show distributed by tvN every Saturday at 10:50 pm. Season 1 broadcast its final episode on April 13, 2017. Season 2 premiered on May 18, 2017. [1] [2] As of April 11, 2019, 118 episodes of Life Bar have been aired.

  8. Incomplete gamma function - Wikipedia

    en.wikipedia.org/wiki/Incomplete_gamma_function

    Repeated application of the recurrence relation for the lower incomplete gamma function leads to the power series expansion: [2] (,) = = (+) (+) = = (+ +). Given the rapid growth in absolute value of Γ(z + k) when k → ∞, and the fact that the reciprocal of Γ(z) is an entire function, the coefficients in the rightmost sum are well-defined, and locally the sum converges uniformly for all ...

  9. (G,X)-manifold - Wikipedia

    en.wikipedia.org/wiki/(G,X)-manifold

    In geometry, if X is a manifold with an action of a topological group G by analytical diffeomorphisms, the notion of a (G, X)-structure on a topological space is a way to formalise it being locally isomorphic to X with its G-invariant structure; spaces with a (G, X)-structure are always manifolds and are called (G, X)-manifolds.