• Thumbnail for Packing problems
    Packing problems are a class of optimization problems in mathematics that involve attempting to pack objects together into containers. The goal is to...
    22 KB (2,676 words) - 07:08, 25 April 2025
  • The bin packing problem is an optimization problem, in which items of different sizes must be packed into a finite number of bins or containers, each of...
    53 KB (7,098 words) - 08:15, 17 June 2025
  • Thumbnail for Sphere packing
    sphere packing problems can be generalised to consider unequal spheres, spaces of other dimensions (where the problem becomes circle packing in two dimensions...
    28 KB (3,419 words) - 09:38, 3 May 2025
  • Set packing is a classical NP-complete problem in computational complexity theory and combinatorics, and was one of Karp's 21 NP-complete problems. Suppose...
    12 KB (1,514 words) - 10:17, 13 October 2024
  • Square packing is a packing problem where the objective is to determine how many congruent squares can be packed into some larger shape, often a square...
    11 KB (1,189 words) - 22:27, 19 February 2025
  • Thumbnail for Knapsack problem
    displaying wikidata descriptions as a fallback List of knapsack problems Packing problem – Problems which attempt to find the most efficient way to pack objects...
    49 KB (7,799 words) - 12:31, 12 May 2025
  • Rectangle packing is a packing problem where the objective is to determine whether a given set of small rectangles can be placed inside a given large polygon...
    7 KB (949 words) - 08:43, 9 March 2025
  • space to the volume of the space itself. In packing problems, the objective is usually to obtain a packing of the greatest possible density. If K1,......
    4 KB (555 words) - 18:24, 2 June 2025
  • Thumbnail for Circle packing
    hexagonal packing is generally not optimal for small numbers of circles. Specific problems of this type that have been studied include: Circle packing in a...
    11 KB (1,315 words) - 01:47, 19 April 2025
  • sphere packings thanks to their large number. Sphere packing problems are distinguished between packings in given containers and free packings. This article...
    16 KB (2,655 words) - 05:13, 15 June 2025
  • Circle packing in a square is a packing problem in recreational mathematics where the aim is to pack n unit circles into the smallest possible square....
    5 KB (271 words) - 11:00, 4 March 2025
  • Thumbnail for Sphere packing in a sphere
    Sphere packing in a sphere is a three-dimensional packing problem with the objective of packing a given number of equal spheres inside a unit sphere. It...
    3 KB (58 words) - 00:34, 21 June 2024
  • Circle packing in a circle is a two-dimensional packing problem with the objective of packing unit circles into the smallest possible larger circle. If...
    7 KB (370 words) - 07:36, 12 November 2024
  • Thumbnail for Prabhakar Raghavan
    Discrete Ham-Sandwich Theorems: Provably Good Algorithms for Routing and Packing Problems". UC Berkeley. Retrieved 19 May 2014. Advisor: Clark D. Thompson Roth...
    15 KB (1,177 words) - 02:27, 12 June 2025
  • applications, such as packing objects into shipping containers (see e.g. containerization: the related sphere packing problem has been studied since...
    18 KB (2,422 words) - 17:31, 21 October 2024
  • The strip packing problem is a 2-dimensional geometric minimization problem. Given a set of axis-aligned rectangles and a strip of bounded width and infinite...
    48 KB (7,808 words) - 00:28, 17 December 2024
  • Thumbnail for Logic puzzle
    Wonderland. In his book The Game of Logic he introduced a game to solve problems such as confirming the conclusion "Some greyhounds are not fat" from the...
    4 KB (517 words) - 19:42, 19 February 2025
  • Thumbnail for Close-packing of equal spheres
    In geometry, close-packing of equal spheres is a dense arrangement of congruent spheres in an infinite, regular arrangement (or lattice). Carl Friedrich...
    19 KB (2,447 words) - 09:25, 16 June 2025
  • Thumbnail for Bill Gosper
    patterns by many orders of magnitude. Gosper has created numerous packing problem puzzles, such as "Twubblesome Twelve". Gosper was the first person...
    7 KB (627 words) - 08:34, 24 April 2025
  • and astronomer Johannes Kepler, is a mathematical theorem about sphere packing in three-dimensional Euclidean space. It states that no arrangement of...
    22 KB (2,721 words) - 15:39, 5 June 2025
  • that. Covering problems are minimization problems and usually integer linear programs, whose dual problems are called packing problems. The most prominent...
    8 KB (938 words) - 21:24, 21 January 2025
  • Thumbnail for Hilbert's problems
    Hilbert's problems are 23 problems in mathematics published by German mathematician David Hilbert in 1900. They were all unsolved at the time, and several...
    41 KB (3,685 words) - 07:11, 17 June 2025
  • Thumbnail for Sphere packing in a cylinder
    Sphere packing in a cylinder is a three-dimensional packing problem with the objective of packing a given number of identical spheres inside a cylinder...
    28 KB (3,286 words) - 05:32, 24 September 2024
  • Thumbnail for Independent set (graph theory)
    one need be output. This problem is sometimes referred to as "vertex packing". In the maximum-weight independent set problem, the input is an undirected...
    30 KB (3,561 words) - 16:58, 9 June 2025
  • spheres it touches. For a lattice packing the kissing number is the same for every sphere, but for an arbitrary sphere packing the kissing number may vary from...
    18 KB (2,204 words) - 17:11, 14 May 2025
  • Thumbnail for Problem solving
    classification of problem-solving tasks is into well-defined problems with specific obstacles and goals, and ill-defined problems in which the current...
    87 KB (9,997 words) - 00:26, 1 June 2025
  • Thumbnail for Vertex cover
    optimization problem that has an approximation algorithm. Its decision version, the vertex cover problem, was one of Karp's 21 NP-complete problems and is therefore...
    22 KB (2,556 words) - 01:21, 17 June 2025
  • a sealing material Packing problems, a family of optimization problems in mathematics All pages with titles beginning with Packing All pages with titles...
    944 bytes (159 words) - 16:20, 20 January 2025
  • Thumbnail for Ulam's packing conjecture
    Unsolved problem in mathematics Is there any three-dimensional convex body with lower packing density than the sphere? More unsolved problems in mathematics...
    4 KB (514 words) - 11:43, 27 January 2025
  • Many mathematical problems have been stated but not yet solved. These problems come from many areas of mathematics, such as theoretical physics, computer...
    195 KB (20,069 words) - 07:07, 11 June 2025