Homological stability is a concept in algebraic topology and representation theory that deals with the behavior of homological groups of topological spaces or algebraic structures as their dimensions or parameters vary. The basic idea is that for a sequence of spaces \(X_n\) (or groups, schemes, etc.), as \(n\) increases, the homological properties of these spaces become stable in a certain sense.
The degree of an algebraic variety is a fundamental concept in algebraic geometry that provides a measure of its complexity and size. Specifically, it reflects how intersections with linear subspaces behave in relation to the variety.
John Love is known for his work as a scientist and researcher, particularly in the fields of polymer science and materials chemistry. He has made significant contributions to the understanding and development of novel materials with applications in various industries.
As of my last knowledge update in October 2021, Anna Romanowska could refer to a specific individual or figure in various contexts, but there is not a widely recognized or notable person by that name in public records or popular culture. It is possible that Anna Romanowska could be a private individual, a professional in a certain field, or a fictional character.
Benjamin Peirce (1809–1880) was an American mathematician and philosopher known for his significant contributions to various fields, including mathematics, astronomy, and logic. He was a professor at Harvard University and played a crucial role in the development of mathematical logic and set theory. Peirce is particularly recognized for his work in the areas of algebra, and he made notable contributions to the field of geodesy.
Bhāskara II, also known as Bhāskara Aiyangār, was a prominent Indian mathematician, astronomer, and poet who lived during the 12th century (approximately 1114–1185 CE). He is best known for his work in mathematics, particularly in the fields of calculus and number theory, and for his contributions to astronomy.
Efim Zelmanov is a prominent mathematician known for his contributions to the field of algebra, particularly in the area of group theory. Born on November 16, 1941, in Tashkent, Uzbekistan, he is best known for his work on the structure of groups and for proving the restricted Burnside problem in the 1990s, which garnered significant attention in the mathematical community.
Michael Artin is a prominent mathematician known for his contributions to algebra, particularly in algebraic geometry and related fields. He has made significant advancements in the theory of schemes, algebraic groups, and the study of rational points on algebraic varieties. Artin is noted for his work on the Artin–Mumford conjecture and for introducing the concept of "Artin rings," which plays an important role in algebraic geometry.
A **power automorphism** is a concept from the field of group theory, a branch of mathematics. To understand it, we first need to define a few key terms: - **Automorphism**: An automorphism is a function from a mathematical structure to itself that preserves the structure's operations.
Rafael Bombelli (1526–1572) was an Italian mathematician, known primarily for his work in algebra. He is best known for his contributions to the understanding of complex numbers and for developing rules for operations involving imaginary numbers. His most significant work, "L'Algebra" (published in 1572), laid foundational principles for manipulating these numbers, laying the groundwork for future developments in algebra and mathematics.
Sorin Popa can refer to different individuals or contexts, as the name may belong to various people. Without specific context, it's difficult to determine which Sorin Popa you are referring to. There may be noted individuals in fields such as sports, academia, or business with that name.
A projective representation is an extension of the concept of a group representation, which is commonly used in mathematics and theoretical physics. In a standard group representation, a group \( G \) acts on a vector space \( V \) through linear transformations that preserve the vector space structure. Specifically, for a group representation, there is a homomorphism from the group \( G \) into the general linear group \( GL(V) \) of the vector space.
As of my last knowledge update in October 2023, there is no widely recognized figure named Vladimir Andrunakievich in politics, science, or popular culture. It's possible that he could be a private individual or a lesser-known person who has come to prominence after that time.

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