Supersingular primes are an important concept in the context of moonshine theory, which is a branch of number theory that connects two seemingly disparate areas: modular forms and finite group theory. More specifically, moonshine theory is famous for exploring the relationship between certain mathematical structures—the Monster group, the largest of the so-called sporadic simple groups, and modular functions.
A relatively hyperbolic group is a type of group in geometric group theory that generalizes the concept of hyperbolic groups. A group \( G \) is said to be relatively hyperbolic with respect to a collection of subgroups \( \mathcal{P} \) if the asymptotic geometry of \( G \) behaves somewhat like that of a hyperbolic group, but it can include additional structure provided by the subgroups in \( \mathcal{P} \).
The Thurston boundary is a concept from the field of topology, particularly in the study of 3-manifolds. More specifically, it refers to a boundary that arises in the context of 3-dimensional hyperbolic geometry and is used in the classification of 3-manifolds. In general terms, the Thurston boundary often arises in relation to the concept of a compactification of a space.
Rudolf Wille is a German mathematician known for his contributions to formal ontologies and lattice theory. He is particularly recognized for developing the formal concept analysis (FCA), a mathematical method for data analysis and knowledge representation that uses lattice theory to structure and analyze data and relationships. FCA has applications in various fields, including computer science, information science, and social sciences. Through his work, Wille has influenced the study of conceptual structures and the organization of knowledge.
Join dependency is a concept in database theory that is related to the normalization of relational databases, specifically within the context of the fifth normal form (5NF). A join dependency occurs when a relation (table) can be reconstructed by joining multiple smaller relations (subsets of the original relation) based on certain attributes, and this relationship can't be captured simply by functional dependencies.
The Rasiowa–Sikorski lemma is a result in the field of mathematical logic, particularly in set theory and model theory. It provides a criterion for determining whether a certain kind of subset exists in a model of set theory. The lemma is named after the mathematicians Helena Rasiowa and Andrzej Sikorski, who contributed to the field of logic in the mid-20th century.
A harmonious set is a concept that can refer to different things depending on the context in which it is used. Generally, it relates to a collection of elements that work well together or create a pleasing combination. Here are a few interpretations based on different fields: 1. **Mathematics/Logic**: In mathematical contexts, a harmonious set may refer to a set of numbers or elements that exhibit a certain balance or relationship, possibly in terms of averages or ratios.
An **orbital integral** is a concept primarily used in the fields of representation theory and harmonic analysis on groups, especially in the context of Lie groups and algebraic groups. It typically arises in the study of automorphic forms and the trace formula. In general, an orbital integral can be thought of as a tool for integrating a certain class of functions over orbits of a group action.
CAPICOM (Cryptographic API Component Object Model) is a Microsoft technology that provides a simplified interface for developers to implement cryptographic functions in applications. It allows for secure data transactions and is designed to work on Windows platforms. CAPICOM offers functionalities such as: 1. **Digital Signatures**: Allows users to sign documents or data electronically to prove authenticity and integrity. 2. **Encryption and Decryption**: Provides tools to encrypt data so that only authorized users can access it.
In mathematics, specifically in vector calculus, the term "rotor" often refers to the **curl** of a vector field. The curl measures the tendency of a vector field to induce rotation at a point in space.
In abstract algebra, specifically in the study of rings, a **nilpotent ideal** is an ideal such that there exists some positive integer \( n \) for which the \( n \)-th power of the ideal is equal to the zero ideal.
The Go Text Protocol (GTP) is a communication protocol used for connecting Go game software, such as Go engines or game servers, with user interfaces or other software components. It enables the interaction between a Go engine that can play the game and a frontend user interface that displays the game, allowing players to input moves, receive responses, and manage the game state.
"Milestones" is a racing simulation video game developed by the Italian company Milestone Srl. The game features a range of motorsport disciplines and is known for its realistic driving mechanics and detailed graphics. Players can choose from various types of vehicles and race on a variety of tracks, often reflecting real-world locations and circuits.
AlphaGo is an artificial intelligence program developed by DeepMind, a subsidiary of Alphabet Inc. It was designed to play the board game Go, which is known for its complexity and the vast number of possible positions. AlphaGo employs advanced machine learning techniques, including deep neural networks and reinforcement learning, to analyze and evaluate board positions and make strategic decisions. Lee Sedol is a highly skilled South Korean Go player who is widely regarded as one of the best in the history of the game.
Shogi software refers to various programs and applications designed for playing, analyzing, or studying the game of shogi, which is a traditional Japanese board game similar to chess. Here’s a list of some notable shogi software: 1. **Ishikawa Shogi** - A popular shogi software that offers a strong AI opponent and various game modes.
Pinball game designers are professionals who create and design pinball machines, which are mechanical games that combine elements of skill, chance, and entertainment. The design process involves a variety of skills and areas of expertise, including: 1. **Game Mechanics**: Designers develop the rules and gameplay mechanics, determining how the ball interacts with the machine, the scoring systems, and how players progress through the game's objectives.
The term "slope number" can have different meanings depending on the context in which it is used, but it is not a standard term commonly found in mathematical literature.
Stochastic geometry is a branch of mathematics that deals with the study of random spatial structures and patterns. It combines elements from geometry, probability theory, and statistics to analyze and understand phenomena where randomness plays a key role in the geometric configuration of objects. Key concepts and areas of interest in stochastic geometry include: 1. **Random Sets**: Studying collections of points or other geometric objects that are distributed according to some random process.
The Caristi fixed-point theorem is a result in the field of metric spaces and fixed-point theory. It provides conditions under which a mapping has a fixed point under certain circumstances.
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!
Intro to OurBigBook
. Source. We have two killer features:
- 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-calculusArticles 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/derivativeVideo 2. OurBigBook Web topics demo. Source. - 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.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
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. - Infinitely deep tables of contents:
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





