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  2. List of unsolved problems in mathematics - Wikipedia

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

    Many mathematical problems have been stated but not yet solved. These problems come from many areas of mathematics, such as theoretical physics, computer science, algebra, analysis, combinatorics, algebraic, differential, discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential equations.

  3. 8.6mm Blackout - Wikipedia

    en.wikipedia.org/wiki/8.6mm_Blackout

    8.6mm Blackout (8.6×43 mm), sometimes referred to as 8.6 BLK, [1] is a centerfire rifle cartridge developed by the firearms manufacturer Q, LLC. [6] It utilizes a shortened case from the 6.5mm Creedmoor necked up to an 8.6 mm caliber (8.585 mm or 0.338 in diameter) projectile. 8.6 Blackout is designed for use in bolt-action rifles or as a caliber conversion for AR-10 style rifles.

  4. Woodcock–Johnson Tests of Cognitive Abilities - Wikipedia

    en.wikipedia.org/wiki/Woodcock–Johnson_Tests_of...

    The Cattell–Horn–Carroll theory factors that this test examines are based on 9 broad stratum abilities, although the test is able to produce 20 scores [4] only seven of these broad abilities are more commonly measured: comprehension-knowledge (Gc), fluid reasoning (Gf), short-term memory (Gsm), processing speed (Gs), auditory processing (Ga), visual-spatial ability (Gv), and long-term ...

  5. E8 (mathematics) - Wikipedia

    en.wikipedia.org/wiki/E8_(mathematics)

    The designation E 8 comes from the Cartan–Killing classification of the complex simple Lie algebras, which fall into four infinite series labeled A n, B n, C n, D n, and five exceptional cases labeled G 2, F 4, E 6, E 7, and E 8. The E 8 algebra is the largest and most complicated of these exceptional cases.

  6. Direct comparison test - Wikipedia

    en.wikipedia.org/wiki/Direct_comparison_test

    In mathematics, the comparison test, sometimes called the direct comparison test to distinguish it from similar related tests (especially the limit comparison test), provides a way of deducing whether an infinite series or an improper integral converges or diverges by comparing the series or integral to one whose convergence properties are known.

  7. 'He shouldn't have done that': Donald Trump criticizes ... - AOL

    www.aol.com/news/shouldnt-done-donald-trump...

    Donald Trump said in an interview with Fox News that Ukrainian President Volodymyr Zelenskyy "shouldn't have allowed" war in his country to happen.

  8. Mathematical optimization - Wikipedia

    en.wikipedia.org/wiki/Mathematical_optimization

    The function f is variously called an objective function, criterion function, loss function, cost function (minimization), [8] utility function or fitness function (maximization), or, in certain fields, an energy function or energy functional. A feasible solution that minimizes (or maximizes) the objective function is called an optimal solution.

  9. Can winter cause erectile dysfunction? - AOL

    www.aol.com/winter-cause-erectile-dysfunction...

    If you were to ask a Magic 8 ball, the answer might be, "signs point to yes." It isn't certain that winter causes erectile dysfunction, but many things about the season are linked to increased ED.