Kostka numbers, denoted as \( K_{n, \lambda} \), arise in combinatorial representation theory and algebraic geometry. They count the number of ways to arrange a certain type of tableau (specifically, standard Young tableaux) corresponding to partitions and is related to the representation theory of the symmetric group.
The Koecher–Vinberg theorem is a result in the field of arithmetic geometry, specifically concerning the structure of certain types of algebraic varieties. This theorem is particularly relevant in the study of symmetric spaces and the theory of quadratic forms. In broad terms, the Koecher–Vinberg theorem addresses the behavior of closed cones in the context of the theory of quadratic forms, stating conditions under which certain cones can be regarded as "nice" with respect to their arithmetic and geometric properties.
Niven's theorem is a result in number theory that concerns the rationality of certain integrals. Specifically, it states that if \( a \) is a positive integer, then the integral \[ \int_0^1 x^a (1 - x)^a \, dx \] is a rational number and can be expressed in terms of the binomial coefficient.
The associative property is a fundamental property of certain mathematical operations that describes how the grouping of numbers affects the result of the operation. It states that when performing an operation on three or more numbers, the way the numbers are grouped does not change the result. The associative property applies to both addition and multiplication.
The FOIL method is a mnemonic used to help remember the process of multiplying two binomials. FOIL stands for First, Outer, Inner, Last, which refers to the terms of the binomials being multiplied together. Here's how it works: 1. **First**: Multiply the first term of the first binomial by the first term of the second binomial. 2. **Outer**: Multiply the outer terms of the two binomials.
An inequation, often referred to as an inequality, is a mathematical expression that compares two quantities, indicating that they are not equal in value. It expresses a relationship where one side is greater than, less than, greater than or equal to, or less than or equal to the other side.
Egyptian algebra refers to the mathematical techniques and methods used by ancient Egyptians, particularly during the time of the Middle Kingdom (around 2000–1700 BCE). It is characterized by its practical approach to solving arithmetic and geometric problems, which were relevant to their daily lives, such as land measurement, taxation, and trade. The ancient Egyptians did not have a symbolic notation for unknowns like modern algebra, but they used a combination of arithmetic and geometric techniques to solve numerical problems.
Buck is a human resources consulting firm that specializes in providing various services related to employee benefits, compensation, actuarial solutions, and human capital management. The company assists organizations in designing, managing, and optimizing their employee benefit programs, including retirement plans, health and wellness initiatives, and other related services. Buck also offers expertise in areas such as talent management, employee engagement, and compliance with labor laws.
Pseudocode is a high-level description of an algorithm or a program's logic that uses a combination of natural language and programming constructs. It is not meant to be executed by a computer; rather, it serves as a way for developers and stakeholders to outline the program's structure and steps in a simple and easily understandable manner.
The chain rule for Kolmogorov complexity describes how the complexity of a joint object can be expressed in terms of the complexities of its components. Specifically, it provides a way to break down the complexity of a joint string \( x, y \) into the complexity of one of the strings conditioned on the other.
Universality probability is a concept that emerges from various fields such as mathematics, physics, and statistics. While the term "universality" is used in different contexts, it generally refers to the idea that certain properties or behaviors can be observed across a wide range of systems or phenomena, regardless of the specific details of those systems.
Copy trading is an investment strategy that allows individuals to automatically replicate the trades of experienced and successful traders. This method is particularly popular in the forex and cryptocurrency markets but can also be applied to stock trading and other financial instruments. Here's how it typically works: 1. **Platform Selection**: Traders choose a brokerage or trading platform that offers copy trading services. These platforms often provide a list of traders, along with their trading performance metrics, strategies, and risk levels.
The Volume-Weighted Average Price (VWAP) is a trading benchmark used to measure the average price a security has traded at throughout a specific time period, weighted by the volume of trades at each price level. It is commonly used by traders and investors to determine the average price at which a security has been bought or sold during a trading day.
"Jewels of Stringology" is a collection of problems, challenges, or contests centered around the field of stringology, which is a branch of computer science that deals with the study of strings (sequences of characters) and the algorithms that manipulate them. This field includes various topics such as string matching, string searching, pattern recognition, and text processing, among others.

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