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  2. List of problems in loop theory and quasigroup theory

    en.wikipedia.org/wiki/List_of_problems_in_loop...

    Comments: The former has been solved by Rajah and Chee (2011) where they showed that for distinct odd primes p 1 < ··· < p m < q < r 1 < ··· < r n, all Moufang loops of order p 1 2 ···p m 2 q 3 r 1 2 ···r n 2 are groups if and only if q is not congruent to 1 modulo p i for each i.

  3. 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]

  4. Loop group - Wikipedia

    en.wikipedia.org/wiki/Loop_group

    In its most general form a loop group is a group of continuous mappings from a manifold M to a topological group G.. More specifically, [1] let M = S 1, the circle in the complex plane, and let LG denote the space of continuous maps S 1 → G, i.e.

  5. Path (topology) - Wikipedia

    en.wikipedia.org/wiki/Path_(topology)

    In mathematics, a path in a topological space is a continuous function from a closed interval into . Paths play an important role in the fields of topology and mathematical analysis . For example, a topological space for which there exists a path connecting any two points is said to be path-connected .

  6. List of drill and tap sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_drill_and_tap_sizes

    Example (metric coarse): For M7.0×1.0, major minus pitch yields 6.0, but 6.1 also works well. Example (metric fine): For M7.0×0.5, major minus pitch yields 6.5, which at 92.9% happens to be an example that pushes over the outer bound of the 90% ± 2 pp , but major minus pitch is still valid, although smaller drills (6.3 mm, 1 ⁄ 4 , 6.4 mm ...

  7. Knot (mathematics) - Wikipedia

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

    Pretzel bread in the shape of a 7 4 pretzel knot. In mathematics, a knot is an embedding of the circle (S 1) into three-dimensional Euclidean space, R 3 (also known as E 3). Often two knots are considered equivalent if they are ambient isotopic, that is, if there exists a continuous deformation of R 3 which takes one knot to the other.

  8. Knot theory - Wikipedia

    en.wikipedia.org/wiki/Knot_theory

    An example is 1*2 −3 2. The 1* denotes the only 1-vertex basic polyhedron. The 2 −3 2 is a sequence describing the continued fraction associated to a rational tangle. One inserts this tangle at the vertex of the basic polyhedron 1*. A more complicated example is 8*3.1.2 0.1.1.1.1.1 Here again 8* refers to a basic polyhedron with 8 vertices.

  9. Millennium Prize Problems - Wikipedia

    en.wikipedia.org/wiki/Millennium_Prize_Problems

    The conjecture is that there is a simple way to tell whether such equations have a finite or infinite number of rational solutions. More specifically, the Millennium Prize version of the conjecture is that, if the elliptic curve E has rank r , then the L -function L ( E , s ) associated with it vanishes to order r at s = 1 .