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  2. 3D rotation group - Wikipedia

    en.wikipedia.org/wiki/3D_rotation_group

    In mechanics and geometry, the 3D rotation group, often denoted SO (3), is the group of all rotations about the origin of three-dimensional Euclidean space under the operation of composition. [1] By definition, a rotation about the origin is a transformation that preserves the origin, Euclidean distance (so it is an isometry), and orientation ...

  3. Fibonacci sequence - Wikipedia

    en.wikipedia.org/wiki/Fibonacci_sequence

    In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn . Many writers begin the sequence with 0 and 1, although some authors start it from 1 and 1 [1][2] and some (as did Fibonacci) from 1 ...

  4. Orthogonal group - Wikipedia

    en.wikipedia.org/wiki/Orthogonal_group

    The Weyl group of SO(2n + 1) is the semidirect product {} of a normal elementary abelian 2-subgroup and a symmetric group, where the nontrivial element of each {±1} factor of {±1} n acts on the corresponding circle factor of T × {1} by inversion, and the symmetric group S n acts on both {±1} n and T × {1} by permuting factors.

  5. 1 + 2 + 3 + 4 + ⋯ - ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%2B_2_%2B_3_%2B_4_%2B_%E...

    The first four partial sums of the series 1 + 2 + 3 + 4 + ⋯.The parabola is their smoothed asymptote; its y-intercept is −1/8, and the area of the parabola ...

  6. Addition - Wikipedia

    en.wikipedia.org/wiki/Addition

    Addition. 3 + 2 = 5 with apples, a popular choice in textbooks [1] Addition (usually signified by the plus symbol +) is one of the four basic operations of arithmetic, the other three being subtraction, multiplication and division. [2] The addition of two whole numbers results in the total amount or sum of those values combined.

  7. Woman surprises 91-year-old veteran with viral fundraiser ...

    www.aol.com/woman-surprises-91-old-veteran...

    September 27, 2024 at 2:05 PM. A New Hampshire woman surprised a veteran with an online fundraiser that has gone viral and raised over $446,000 in just three months. Jenelle Marie, who requested ...

  8. Missing Mom and 4 Children, Including 2-Week-Old Girl, Found ...

    www.aol.com/lifestyle/missing-mom-4-children...

    On Friday, Sept. 27, New South Wales Police said in a news release that Watts was last seen at around 2:30 p.m. local time in the town of Goulburn, located approximately 120 miles southwest of Sydney.

  9. E. coli infections tied to McDonald's burgers rise to 75, US ...

    www.aol.com/news/us-fda-says-75-people-151321897...

    October 25, 2024 at 12:17 PM. By Ananya Mariam Rajesh and Aishwarya Venugopal. (Reuters) -The number of people infected by the E. coli outbreak tied to McDonald's Quarter Pounder hamburgers ...

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