M. C. Escher, whose full name is Maurits Cornelis Escher, was a Dutch graphic artist known for his mathematically inspired works. Born on June 17, 1898, in Leeuwarden, Netherlands, and passing away on March 27, 1972, in Hilversum, Netherlands, Escher is renowned for his intricate and imaginative prints that feature impossible constructions, explorations of infinity, symmetry, and tessellations.
Functions and mappings are fundamental concepts in mathematics, often used interchangeably, though they can have slightly different connotations depending on the context. ### Functions A **function** is a specific type of relation between two sets that assigns exactly one output from a set (the codomain) to each input from another set (the domain).
Infinite products are an extension of the concept of finite products, where instead of multiplying a finite number of terms together, an infinite sequence of terms is multiplied. The general form of an infinite product is: \[ P = \prod_{n=1}^{\infty} a_n \] where \( a_n \) are the terms in the sequence.
Mathematical relations refer to the ways in which different mathematical entities are connected or associated with one another. In mathematics, a relation is essentially a set of ordered pairs that describe a relationship between two sets of elements. Here are some key concepts related to mathematical relations: 1. **Definition**: A relation from a set \( A \) to a set \( B \) is a subset of the Cartesian product \( A \times B \).
Mathematical logicians are scholars and researchers who study mathematical logic, a subfield of mathematics that focuses on formal systems, proofs, and the foundational aspects of mathematics. Their work lies at the intersection of mathematics, philosophy, and computer science, and it involves the exploration of various logical systems, including propositional logic, predicate logic, modal logic, and more.
Mathematical axioms are fundamental statements or propositions that are accepted without proof as the starting point for further reasoning and arguments within a mathematical framework. They serve as the foundational building blocks from which theorems and other mathematical truths are derived. Axioms are thought to be self-evident truths, although their acceptance may vary depending on the mathematical system in question.
Mathematical logic hierarchies refer to the structured classifications of various logical systems, mathematical theories, and their properties. These hierarchies help to categorize and understand the relationships and complexities between different logical frameworks.
"Statistician stubs" typically refer to short articles or entries related to statisticians that are incomplete or underdeveloped on platforms like Wikipedia. In the context of online collaborative encyclopedias, a "stub" is a page that provides only a minimal amount of information about a subject. These stubs are often marked with a "stub" template to indicate that they need expansion and additional content.
In mathematics, particularly in differential geometry and multivariable calculus, a volume form is a differential form that provides a way to define volume on a manifold. It is a useful concept in areas such as integration on manifolds and the study of geometric structures. ### Definition 1. **Differential Forms**: In the context of manifolds, a differential form of degree \( n \) on an \( n \)-dimensional manifold represents an infinitesimal volume element.
The Mathematical Optimization Society (MOS) is an international organization dedicated to the advancement and promotion of research in the field of mathematical optimization. Among its various activities, the society recognizes outstanding contributions to the field through several awards. As of my last update, the key awards presented by the MOS include: 1. **The Fulkerson Prize**: This is awarded for outstanding papers in the area of discrete mathematics and optimization, specifically for work that significantly advances the field. 2. **The George B.
The Fuss–Catalan numbers are a generalization of the Catalan numbers. They count certain combinatorial structures that can be generalized to several parameters.
Graph enumeration is the field of study in combinatorial mathematics and computer science focused on counting, listing, and studying the properties of different types of graphs. A graph is a mathematical structure consisting of vertices (or nodes) connected by edges. Graph enumeration involves exploring how many distinct graphs can be formed under various conditions and constraints.

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 2.
    You can publish local OurBigBook lightweight markup files to either https://OurBigBook.com or as a static website
    .
    Figure 3.
    Visual Studio Code extension installation
    .
    Figure 4.
    Visual Studio Code extension tree navigation
    .
    Figure 5.
    Web editor
    . 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.
    Video 4.
    OurBigBook Visual Studio Code extension editing and navigation demo
    . Source.
  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