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  2. Snake-in-the-box - Wikipedia

    en.wikipedia.org/wiki/Snake-in-the-box

    In graph theory terminology, this is called finding the longest possible induced path in a hypercube; it can be viewed as a special case of the induced subgraph isomorphism problem. There is a similar problem of finding long induced cycles in hypercubes, called the coil-in-the-box problem.

  3. Induced path - Wikipedia

    en.wikipedia.org/wiki/Induced_path

    An induced path is sometimes called a snake, and the problem of finding long induced paths in hypercube graphs is known as the snake-in-the-box problem. Similarly, an induced cycle is a cycle that is an induced subgraph of G ; induced cycles are also called chordless cycles or (when the length of the cycle is four or more) holes .

  4. Longest path problem - Wikipedia

    en.wikipedia.org/wiki/Longest_path_problem

    In graph theory and theoretical computer science, the longest path problem is the problem of finding a simple path of maximum length in a given graph.A path is called simple if it does not have any repeated vertices; the length of a path may either be measured by its number of edges, or (in weighted graphs) by the sum of the weights of its edges.

  5. Force of Evil - Wikipedia

    en.wikipedia.org/wiki/Force_of_Evil

    Force of Evil is a 1948 American film noir starring John Garfield and Beatrice Pearson and directed by Abraham Polonsky. It was adapted by Polonsky and Ira Wolfert from Wolfert's novel Tucker's People. [3] Polonsky had been a screenwriter for the boxing film Body and Soul (1947), in which Garfield had also played the male lead.

  6. List of Superman enemies - Wikipedia

    en.wikipedia.org/wiki/List_of_Superman_enemies

    Superman's archenemy, and the consummate evil genius. He continues to play different roles in various Superman comics and media. The version of Luthor that debuted in Action Comics #23 during the Golden Age was called Alexei Luthor and was a dangerous mad scientist who antagonized Superman and plotted to take over the world.

  7. Epicurean paradox - Wikipedia

    en.wikipedia.org/wiki/Epicurean_paradox

    Epicurus was not an atheist, although he rejected the idea of a god concerned with human affairs; followers of Epicureanism denied the idea that there was no god. While the conception of a supreme, happy and blessed god was the most popular during his time, Epicurus rejected such a notion, as he considered it too heavy a burden for a god to have to worry about all the problems in the world.

  8. Hall effect - Wikipedia

    en.wikipedia.org/wiki/Hall_effect

    The result is an asymmetric distribution of charge density across the Hall element, arising from a force that is perpendicular to both the straight path and the applied magnetic field. The separation of charge establishes an electric field that opposes the migration of further charge, so a steady electric potential is established for as long as ...

  9. Problem of evil - Wikipedia

    en.wikipedia.org/wiki/Problem_of_evil

    The early version of "deny evil" is called the "privation theory of evil", so named because it described evil as a form of "lack, loss or privation". One of the earliest proponents of this theory was the 2nd-century Clement of Alexandria who, according to Joseph Kelly, [ 65 ] stated that "since God is completely good, he could not have created ...