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  2. Staircase paradox - Wikipedia

    en.wikipedia.org/wiki/Staircase_paradox

    [6] For any smooth curve , polygonal chains with segment lengths decreasing to zero, connecting consecutive vertices along the curve, always converge to the arc length . The failure of the staircase curves to converge to the correct length can be explained by the fact that some of their vertices do not lie on the diagonal. [ 7 ]

  3. Closest pair of points problem - Wikipedia

    en.wikipedia.org/wiki/Closest_pair_of_points_problem

    The algorithm will always correctly determine the closest pair, because it maps any pair closer than distance to the same grid point or to adjacent grid points. The uniform sampling of pairs in the first step of the algorithm (compared to a different method of Rabin for sampling a similar number of pairs) simplifies the proof that the expected ...

  4. National Council of Educational Research and Training

    en.wikipedia.org/wiki/National_Council_of...

    The program was renamed to National Talent Search Scheme with the NTSE examination now being conducted for classes X, XI, and XII. Currently, the NTSE exam is conducted only for 10th class students in India in two phases with subjects relating to Mental Ability Test and Scholastic Aptitude Test (SAT) for 100 marks each. [6] [7]

  5. Closure (mathematics) - Wikipedia

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

    In mathematics, a subset of a given set is closed under an operation of the larger set if performing that operation on members of the subset always produces a member of that subset. For example, the natural numbers are closed under addition, but not under subtraction: 12 is not a natural number, although both 1 and 2 are.

  6. List of unsolved problems in mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    6 [6] Clay Mathematics Institute: 2000 Simon problems: 15 <12 [7] [8] Barry Simon: 2000 Unsolved Problems on Mathematics for the 21st Century [9] 22-Jair Minoro Abe, Shotaro Tanaka: 2001 DARPA's math challenges [10] [11] 23-DARPA: 2007 Erdős's problems [12] >934: 617: Paul Erdős: Over six decades of Erdős' career, from the 1930s to 1990s

  7. Dihedral group of order 6 - Wikipedia

    en.wikipedia.org/wiki/Dihedral_group_of_order_6

    Cayley table as general (and special) linear group GL(2, 2) In mathematics, D 3 (sometimes alternatively denoted by D 6) is the dihedral group of degree 3 and order 6. It equals the symmetric group S 3. It is also the smallest non-abelian group. [1] This page illustrates many group concepts using this group as example.

  8. Scalar (mathematics) - Wikipedia

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

    A scalar is an element of a field which is used to define a vector space.In linear algebra, real numbers or generally elements of a field are called scalars and relate to vectors in an associated vector space through the operation of scalar multiplication (defined in the vector space), in which a vector can be multiplied by a scalar in the defined way to produce another vector.

  9. Look Closer - Wikipedia

    en.wikipedia.org/wiki/Look_Closer

    Look Closer may refer to: "Crabbit Old Woman", a poem by Phyllis McCormack that is also titled "Look Closer" "Look Closer", an episode of the television series ...