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  2. Even and odd functions - Wikipedia

    en.wikipedia.org/wiki/Even_and_odd_functions

    is an example of an even function. A real function f is even if, for every x in its domain, −x is also in its domain and [1]: p. 11 or equivalently Geometrically, the graph of an even function is symmetric with respect to the y -axis, meaning that its graph remains unchanged after reflection about the y -axis. Examples of even functions are: The absolute value for any even integer cosine ...

  3. p-adic number - Wikipedia

    en.wikipedia.org/wiki/P-adic_number

    The valuation of a nonzero p -adic number x, commonly denoted is the exponent of p in the first nonzero term of every p -adic series that represents x. By convention, that is, the valuation of zero is This valuation is a discrete valuation.

  4. Kim Yo-han - Wikipedia

    en.wikipedia.org/wiki/Kim_Yo-Han

    Kim Yo-han (Korean: 김요한, born September 22, 1999), also known by the mononym Yohan (요한), is a South Korean singer and actor. He is a member of the boy group WEi and a former member of boy group X1, finishing first on Produce X 101.

  5. Topological space - Wikipedia

    en.wikipedia.org/wiki/Topological_space

    Any set can be given the cocountable topology, in which a set is defined as open if it is either empty or its complement is countable. When the set is uncountable, this topology serves as a counterexample in many situations.

  6. Ron Lim - Wikipedia

    en.wikipedia.org/wiki/Ron_Lim

    Lim penciled the Silver Surfer (vol. 3) series for almost six years (1988–94). He also penciled most of the "Infinity" trilogy of large-scale crossover limited series which Marvel published in the early 1990s— Infinity Gauntlet (1991), Infinity War (1992), and Infinity Crusade (1993).

  7. Ulam spiral - Wikipedia

    en.wikipedia.org/wiki/Ulam_spiral

    For the first of these polynomials, the sequence of remainders is 1, 2, 2, 1, 2, 2, ..., while for the second, it is 2, 0, 0, 2, 0, 0, .... This implies that in the sequence of values taken by the second polynomial, two out of every three are divisible by 3, and hence certainly not prime, while in the sequence of values taken by the first ...

  8. Independence (probability theory) - Wikipedia

    en.wikipedia.org/wiki/Independence_(probability...

    Stated in terms of odds, two events are independent if and only if the odds ratio of ⁠ ⁠ and ⁠ ⁠ is unity (1). Analogously with probability, this is equivalent to the conditional odds being equal to the unconditional odds: O ( A ∣ B ) = O ( A ) and O ( B ∣ A ) = O ( B ) , {\displaystyle O (A\mid B)=O (A) {\text { and }}O (B\mid A)=O (B),} or to the odds of one event, given the ...

  9. Han-byul - Wikipedia

    en.wikipedia.org/wiki/Han-byul

    Han-byul is a Korean given name. Notable people with the name include: Jang Han-byul (born 1990), Australian singer, actor, producer, and television personality Park Han-byul (born 1984), South Korean actress and model Lim Han-byul (born 1989), South Korean singer and songwriter