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  2. Irreducible fraction - Wikipedia

    en.wikipedia.org/wiki/Irreducible_fraction

    For example, ⁠ 1 / 4 ⁠, ⁠ 5 / 6 ⁠, and ⁠ −101 / 100 ⁠ are all irreducible fractions. On the other hand, ⁠ 2 / 4 ⁠ is reducible since it is equal in value to ⁠ 1 / 2 ⁠, and the numerator of ⁠ 1 / 2 ⁠ is less than the numerator of ⁠ 2 / 4 ⁠. A fraction that is reducible can be reduced by dividing both the numerator ...

  3. V-model - Wikipedia

    en.wikipedia.org/wiki/V-Model

    The V-model falls into three broad categories, the German V-Modell, a general testing model, and the US government standard. [2] The V-model summarizes the main steps to be taken in conjunction with the corresponding deliverables within computerized system validation framework, or project life cycle development. It describes the activities to ...

  4. PROP (category theory) - Wikipedia

    en.wikipedia.org/wiki/PROP_(category_theory)

    The name PROP is an abbreviation of "PROduct and Permutation category". The notion was introduced by Adams and Mac Lane; the topological version of it was later given by Boardman and Vogt. [ 2 ] Following them, J. P. May then introduced the term “ operad ”, which is a particular kind of PROP, for the object which Boardman and Vogt called ...

  5. V-model (software development) - Wikipedia

    en.wikipedia.org/wiki/V-Model_(software_development)

    In software development, the V-model [2] represents a development process that may be considered an extension of the waterfall model and is an example of the more general V-model. Instead of moving down linearly, the process steps are bent upwards after the coding phase, to form the typical V shape.

  6. Greedy algorithm for Egyptian fractions - Wikipedia

    en.wikipedia.org/wiki/Greedy_algorithm_for...

    The simplest fraction3 / y ⁠ with a three-term expansion is ⁠ 3 / 7 ⁠. A fraction4 / y ⁠ requires four terms in its greedy expansion if and only if y ≡ 1 or 17 (mod 24), for then the numerator −y mod x of the remaining fraction is 3 and the denominator is 1 (mod 6). The simplest fraction4 / y ⁠ with a four-term ...

  7. If It Seems Like Everyone Has Norovirus, It's Because They ...

    www.aol.com/seems-everyone-norovirus-because...

    Related: Chef Sentenced to 3 Months in Jail After Serving Wedding Guests Food Infected with Norovirus “It only takes a few norovirus particles to make you and other people sick.”

  8. The 5 Best Canned Soups for Better Blood Pressure ... - AOL

    www.aol.com/5-best-canned-soups-better-120000978...

    Just 1 cup of canned black bean soup provides 6 grams of protein, 8 grams of fiber and 309 milligrams of potassium. So, go ahead and dig in! Sweet Potato Soup.

  9. Klein four-group - Wikipedia

    en.wikipedia.org/wiki/Klein_four-group

    V is the symmetry group of this cross: flipping it horizontally (a) or vertically (b) or both (ab) leaves it unchanged.A quarter-turn changes it. In two dimensions, the Klein four-group is the symmetry group of a rhombus and of rectangles that are not squares, the four elements being the identity, the vertical reflection, the horizontal reflection, and a 180° rotation.