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  2. Badminton - Wikipedia

    en.wikipedia.org/wiki/Badminton

    Badminton is a racquet sport played using racquets to hit a shuttlecock across a net. Although it may be played with larger teams, the most common forms of the game are "singles" (with one player per side) and "doubles" (with two players per side). Badminton is often played as a casual outdoor activity in a yard or on a beach; formal games are ...

  3. Round-robin tournament - Wikipedia

    en.wikipedia.org/wiki/Round-robin_tournament

    Round-robin tournament. A round-robin tournament or all-play-all tournament is a competition format in which each contestant meets every other participant, usually in turn. [1][2] A round-robin contrasts with an elimination tournament, wherein participants are eliminated after a certain number of wins or losses.

  4. Bye (sports) - Wikipedia

    en.wikipedia.org/wiki/Bye_(sports)

    The Australian Football League, which comprises an even number of clubs, gives each club a bye week in mid-season [a], as well as a bye the week before the finals. In 1915, 1919 to 1924, 1942 and 1943, 1991 to 1994 and 2011, when there were an odd number of clubs competing, each club was given two byes.

  5. Even and odd functions - Wikipedia

    en.wikipedia.org/wiki/Even_and_odd_functions

    The cosine function and all of its Taylor polynomials are even functions. In mathematics, an even function is a real function such that for every in its domain. Similarly, an odd function is a function such that for every in its domain. They are named for the parity of the powers of the power functions which satisfy each condition: the function ...

  6. Parity (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Parity_(mathematics)

    In mathematics, parity is the property of an integer of whether it is even or odd. An integer is even if it is divisible by 2, and odd if it is not. [1] For example, −4, 0, and 82 are even numbers, while −3, 5, 7, and 21 are odd numbers. The above definition of parity applies only to integer numbers, hence it cannot be applied to numbers ...

  7. BWF World Tour - Wikipedia

    en.wikipedia.org/wiki/BWF_World_Tour

    The BWF World Tour is a Grade 2 badminton tournament series, sanctioned by Badminton World Federation (BWF). It is a competition open to the top world ranked players in singles (men's and women's) and doubles (men's, women's and mixed). [1] The competition was announced on 19 March 2017 and came into effect starting from 2018, replacing the BWF ...

  8. Bracket (tournament) - Wikipedia

    en.wikipedia.org/wiki/Bracket_(tournament)

    Assuming an even number of pools (e.g., pool A, B, C, and D), each of the #1 ranked team based upon their pool play results play an initial game (A1 vs B1, C1 vs D1). Winners go to the championship. Losers play for 3rd and 4th place. Assuming an odd pools number of pools (e.g., pool A, B, and C), Seed 1 from Pool A (A1) plays seed 1 from Pool B ...

  9. Parity of a permutation - Wikipedia

    en.wikipedia.org/wiki/Parity_of_a_permutation

    The permutation is odd if and only if this factorization contains an odd number of even-length cycles. Another method for determining whether a given permutation is even or odd is to construct the corresponding permutation matrix and compute its determinant. The value of the determinant is the same as the parity of the permutation. Every ...