David Gale can refer to multiple individuals, but he is most commonly known as an influential American mathematician who made significant contributions to game theory, economics, and combinatorial optimization. Born on September 24, 1921, and passing on March 7, 2008, Gale is best known for his work on the Gale-Shapley algorithm, which is a foundational algorithm in matching theory, particularly in the context of stable marriages and other matching problems.
David A. Klarner is a mathematician known for his contributions to the field of combinatorial mathematics, particularly in the study of combinatorial structures such as polyhedra, graphs, and geometric configurations. He is also recognized for his work in the area of enumeration, which involves counting and classifying combinatorial objects. In addition to his research contributions, Klarner has been involved in teaching and mentoring students in mathematics.
Charles L. Bouton is a notable figure in the field of materials science and engineering, particularly known for his work on magnetic materials and their applications. He has made significant contributions to the understanding of magnetic properties, including various innovations in magnetic storage devices and related technologies. His work has had implications in several industries, including electronics and data storage.
Aviezri Fraenkel is a notable figure in the field of mathematical logic, particularly known for his contributions to set theory and combinatorics. He is recognized for his work in the area of infinitary combinatorics and has published several influential papers on related topics. His research often intersects with various branches of mathematics, and he has been involved in teaching and mentoring students in these areas.
The Tompkins-Paige algorithm is an algorithm used in the field of computer science, particularly in the domain of automated theorem proving and logic programming. It is primarily used for the resolution of logical formulas. The algorithm focuses on the resolution principle, which is a fundamental method in propositional and first-order logic. It allows for the derivation of conclusions from premises using a process called resolution, which involves combining clauses to produce new clauses.
The Steinhaus–Johnson–Trotter algorithm is a combinatorial algorithm used to generate all permutations of a finite set in a specific order. This algorithm produces permutations in a way that each permutation differs from the previous one by the interchange of two adjacent elements, following a particular pattern. ### Key Features of the Algorithm: 1. **Directionality**: Each element in the permutation has an associated direction (typically right or left). Initially, all elements can be thought of pointing to the left.
The Robinson–Schensted correspondence is a combinatorial bijection between permutations and pairs of standard Young tableaux of the same shape. It was introduced independently by John H. Robinson and Ferdinand Schensted in the mid-20th century. The correspondence is an important tool in representation theory, algebraic combinatorics, and the study of symmetric functions. ### Key Components: 1. **Permutations**: A permutation of a set is a rearrangement of its elements.
The term "reverse-search algorithm" can refer to different concepts in different contexts, but it often relates to search methods or strategies that are applied in various fields such as computer science, data structures, and graph theory. Below are some interpretations of what a reverse-search algorithm might involve: 1. **Graph Search Algorithms**: In graph theory, reverse-search may refer to algorithms that explore a graph from a target node back to the start node.
In mathematics, particularly in the context of category theory, a "picture" is often used to refer to a diagram that visually represents mathematical concepts or structures, such as objects and morphisms in a category. These diagrams help convey relationships and properties intuitively. However, the term "picture" can also refer to specific visual representations or constructions in various fields of mathematics.
Map folding is a mathematical and computational concept that involves the folding of a map or a two-dimensional surface into a smaller form while maintaining its overall structure and connectedness. The goal of map folding is often to simplify a map for better navigation or to present the information more efficiently. It can be used in various contexts, such as in cartography, computer graphics, and even in origami.
The concept of a "Loopless algorithm" typically refers to an approach in algorithm design that avoids traditional looping constructs—like `for` or `while` loops—in favor of alternative methods. This can be implemented for various reasons, including improving performance, simplifying reasoning about code, or adhering to certain programming paradigms, such as functional programming. One common example of a loopless approach is the use of recursion to achieve iteration.
The Lin–Kernighan heuristic is an effective algorithm used to solve the Traveling Salesman Problem (TSP), which is a classic optimization problem in combinatorial optimization. The goal of the TSP is to find the shortest possible route that visits a set of cities exactly once and returns to the original city.
The Lemke–Howson algorithm is a mathematical method used for finding Nash equilibria in two-player games that can be expressed in a strategic form. It is particularly useful for games that have an odd number of pure strategy Nash equilibria, as this condition guarantees that at least one mixed strategy Nash equilibrium exists. Here are some key points about the Lemke–Howson algorithm: 1. **Background**: The algorithm was developed by Eugene Lemke and J. R.
The Kernighan-Lin algorithm is a heuristic method used for graph partitioning. Specifically, it is designed to minimize the edge cut of a graph when dividing the vertices into two disjoint subsets. This algorithm is particularly useful in areas such as VLSI design, network analysis, and clustering, where balancing the workload or minimizing communication cost between different parts of a system is important.
Jeu de taquin, which translates to "the game of sliding tiles," is a combinatorial puzzle game that involves sliding tiles around in a grid to achieve a certain configuration. It is typically played on a square or rectangular grid containing a set of numbered tiles and an empty space, where players can slide adjacent tiles into the empty space. The objective often involves arranging the tiles in a specific sequence or configuration, such as in numerical order.
Heap's algorithm is a classic method for generating all possible permutations of a set of objects. It was developed by B. R. Heap in 1963. The algorithm is particularly efficient because it generates permutations by making only a small number of swaps, which minimizes the amount of work done compared to other permutation algorithms. ### Overview of Heap's Algorithm Heap's algorithm works by recursively generating permutations and is structured to handle the generation of permutations in a way that involves swapping elements.
A greedy algorithm is a computational method that makes the most optimal choice at each step with the hope of finding the global optimum. The fundamental principle behind greedy algorithms is to build up a solution piece by piece, always choosing the next piece that offers the most immediate benefit (i.e., the most "greedy" choice), without considering the long-term consequences.
The Garsia–Wachs algorithm is a well-known algorithm in combinatorial optimization, primarily utilized for efficiently finding the longest increasing subsequence (LIS) in a sequence of numbers. The algorithm was introduced by Garsia and Wachs in the early 1980s. ### Overview The longest increasing subsequence problem involves determining the longest subsequence of a given sequence such that all elements of the subsequence are in increasing order.
The Fisher–Yates shuffle, also known as the Knuth shuffle, is an algorithm used for generating a random permutation of a finite sequence—in simpler terms, it shuffles the elements of an array or list. The algorithm ensures that each permutation is equally likely, meaning it produces a uniform distribution of permutations.
Cycle detection refers to the process of identifying cycles (or loops) within a data structure, such as a graph or a linked list. A cycle is formed when a sequence of edges leads back to the starting vertex, creating a closed loop. Cycle detection is an important concept in computer science, particularly in graph theory, algorithm design, and data structure manipulation. Here are a few key concepts related to cycle detection: ### 1.

Pinned article: Introduction to the OurBigBook Project

Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
We have two killer features:
  1. topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculus
    Articles of different users are sorted by upvote within each article page. This feature is a bit like:
    • a Wikipedia where each user can have their own version of each article
    • a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
    This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
    Figure 1.
    Screenshot of the "Derivative" topic page
    . View it live at: ourbigbook.com/go/topic/derivative
  2. local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:
    This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
    Figure 5. . You can also edit articles on the Web editor without installing anything locally.
    Video 3.
    Edit locally and publish demo
    . Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact