Foster's reactance theorem is a concept in electrical engineering and circuit theory that deals with the behavior of linear passive networks. Specifically, it provides a way to analyze the reactive components (like inductors and capacitors) of a network by examining how they behave in response to complex-frequency signals.
The Star-Mesh Transform is a mathematical technique used in network theory, particularly in the analysis and design of electrical networks. It is a method for converting circuits with a star (or Y) configuration into an equivalent mesh (or Δ) configuration, or vice versa. This transform simplifies the analysis of electrical circuits by allowing engineers and mathematicians to work with configurations that may be easier to analyze.
John Cioffi is an influential figure in the field of electrical engineering, particularly known for his work in digital communications and signal processing. He is often recognized for his contributions to the development of technologies related to data transmission over telephone lines, particularly through his research on DSL (Digital Subscriber Line) technology, which has significantly impacted broadband internet access. Cioffi has held various academic and professional positions, including being a professor at Stanford University and involved with several telecommunications companies.
Professional wargaming refers to the use of structured tabletop games, simulations, or digital platforms to model and analyze military operations, strategies, or tactics for training, education, and decision-making purposes. These games are designed to replicate real-world military scenarios and can vary in complexity from simple board games to elaborate simulations involving advanced technology.
Cram is a fast-paced, strategic board game designed for two players. The objective is simple: players take turns placing their pieces on a grid-like board, aiming to create a path from one side of the board to the other while blocking their opponent's path. The game combines elements of tactical maneuvering and spatial reasoning, as players must think ahead, anticipate their opponent's moves, and adapt their strategy accordingly.
Game complexity refers to the various dimensions and aspects that determine the intricacy of a game. It encompasses multiple factors, including: 1. **Strategic Depth**: The range of strategies available to players and the implications of their decisions. A game with high strategic depth often requires thoughtful planning and offers multiple ways to achieve victory. 2. **Rules and Mechanics**: The complexity of the game's rules and how they interact can significantly affect player experience.
Additive combinatorics is a branch of mathematics that studies combinatorial properties of sets of integers, particularly focusing on operations like addition. It explores how various properties of sets relate to their additive behaviors, as well as the relationships among different sets under addition.
Ben Green is a mathematician known for his work in number theory, particularly in the areas of additive combinatorics and the study of prime numbers. He is a professor at the University of Oxford and has made significant contributions to understanding the distribution of prime numbers and the structure of sets of integers. One of his notable achievements is his collaboration with Terence Tao, with whom he proved the Green-Tao theorem in 2004.
Eric Temple Bell (1883–1960) was a Scottish-born mathematician, mathematician, and science fiction writer who made significant contributions to mathematics and its popularization. He is perhaps best known for his work in the fields of number theory, analysis, and the theory of functions. In addition to his academic work, Bell was a prolific writer and authored numerous books aimed at a general audience, making complex mathematical concepts accessible to non-specialists.
A Euclidean vector is a mathematical object that represents both a direction and a magnitude in a Euclidean space, which is the familiar geometric space described by Euclidean geometry. These vectors are used to illustrate physical quantities like force, velocity, and displacement. ### Properties of Euclidean Vectors: 1. **Magnitude**: The length of the vector, which can be calculated using the Pythagorean theorem.
As of my last knowledge update in October 2023, Yousef Alavi does not refer to a widely recognized individual in global news, entertainment, science, or history. However, it is possible that he may be a local figure, a professional in a specific field, or someone who has gained prominence more recently.
"Ars Combinatoria" is a scientific journal dedicated to combinatorial mathematics and its applications. It publishes research articles covering a wide range of topics in combinatorics, including graph theory, design theory, enumerative combinatorics, and combinatorial optimization, among others. The journal serves as a platform for researchers to share their findings and advancements in these areas, often featuring original research papers, surveys, and occasionally special issues focused on specific themes or topics.
Algorithmic combinatorics on partial words is a specialized area of combinatorics that deals with the study of combinatorial structures that arise from partial words. A partial word can be thought of as a sequence of symbols that may include some "undefined" or "unknown" positions, often represented by a special symbol (like a question mark or a dot). ### Key Concepts: 1. **Partial Words**: These are sequences where some characters are unspecified.
The Euclidean shortest path refers to the shortest distance between two points in a Euclidean space, which is the standard two-dimensional or three-dimensional space in which we can measure distances using the Euclidean metric. The distance between two points is calculated using the Euclidean distance formula.
The Ascending Chain Condition (ACC) is a property related to partially ordered sets (posets) and certain algebraic structures in mathematics, particularly in order theory and abstract algebra. **Definition:** A partially ordered set satisfies the Ascending Chain Condition if every ascending chain of elements eventually stabilizes.
An **atomic domain** is a concept in the field of mathematics, specifically in the area of ring theory, which is a branch of abstract algebra. A domain is a specific type of ring that has certain properties, and an atomic domain is a further classification of such a ring. In general, a **domain** (often referred to as an integral domain) is a commutative ring with no zero divisors and where the multiplication operation is closed.
The Eakin–Nagata theorem is a result in the field of functional analysis and specifically concerns the relationship between certain ideals in the context of Banach spaces and their duals. This theorem is particularly relevant in the study of dual spaces and the structure of various function spaces.
Walter Kutschera is an Austrian physicist known for his work in the fields of nuclear and particle physics. He has made significant contributions to the study of unstable isotopes and their applications in research. Kutschera is particularly recognized for his research involving the techniques of accelerator mass spectrometry and the study of the interactions of cosmic rays with matter. He has been involved in various academic and research institutions and has published numerous scientific papers in these fields.
A Boolean conjunctive query is a type of query used in database systems and information retrieval that combines multiple conditions using logical conjunction (often represented by the AND operator). This type of query retrieves data that satisfies all of the specified conditions. In a Boolean conjunctive query, each condition typically involves the presence or absence of certain attributes or values.
In the context of algebra, particularly in ring theory, a minimal ideal refers to a specific type of ideal within a ring. An ideal \( I \) of a ring \( R \) is called a **minimal ideal** if it is non-empty and does not contain any proper non-zero ideals of \( R \). In other words, a minimal ideal \( I \) satisfies two properties: 1. \( I \neq \{0\} \) (i.e.

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