The number 158 is an integer that comes after 157 and before 159. It can be expressed in different contexts, such as: - **Mathematical properties**: It's an even number and can be factored into primes as \(2 \times 79\). - **Roman Numerals**: In Roman numerals, 158 is written as CLVIII. - **In other bases**: In binary, it is represented as 10011110.
In algebraic geometry, the **dimension** of an algebraic variety is a fundamental concept that provides a measure of the "size" or "degrees of freedom" of the variety. Specifically, there are two common ways to define the dimension of an algebraic variety: 1. **Geometric Dimension**: This definition is based on the notion of irreducible components of the variety.
The number 16 is an integer that comes after 15 and before 17. It is a composite number, as it has divisors other than 1 and itself. Specifically, it can be factored into \( 4 \times 4 \) or \( 2 \times 2 \times 2 \times 2 \) (which is \( 2^4 \)).
Dimension theory in algebra, particularly in the context of commutative algebra and algebraic geometry, is a field that studies the notion of the "dimension" of algebraic objects, such as rings, modules, and varieties. The concept of dimension provides a way to understand the structure and properties of these objects, often geometric in nature, and to categorize them based on certain characteristics.
Five-dimensional space, often denoted as \( \mathbb{R}^5 \), is an extension of the familiar three-dimensional space we experience in our daily lives. In mathematics, dimensions refer to the number of coordinates needed to specify a point in that space.
"Flatland" is a novella written by Edwin A. Abbott and published in 1884. The full title is "Flatland: A Romance of Many Dimensions." The story is set in a two-dimensional world inhabited by geometric shapes, which are referred to as "Flatlanders." The characters represent different social classes based on their geometric forms—squares, triangles, circles, and so forth—with more complex shapes representing higher social status.
The term "Helmert Bank" could refer to a couple of different concepts depending on the context, but it is not widely recognized in common references.
In the context of matroid theory, the **rank** of a matroid is a fundamental concept that generalizes the notion of linear independence from vector spaces and graphs. A matroid is a combinatorial structure that captures the essence of independence in various mathematical settings.
A matrix of ones is a matrix in which every element is equal to one. It can be represented in various shapes and sizes, such as a 2x3 matrix, a 4x4 matrix, or any \( m \times n \) matrix, where \( m \) is the number of rows and \( n \) is the number of columns.
The term "matrix pencil" refers to a mathematical concept used in the field of linear algebra, particularly in the context of systems of linear equations, control theory, and numerical analysis. A matrix pencil is typically denoted in the form: \[ \mathcal{A}(\lambda) = A - \lambda B \] where: - \(A\) and \(B\) are given matrices, - \(\lambda\) is a complex variable.
The number 176 is a three-digit integer that can be broken down as follows: - **Mathematical Properties**: - It is an even number, as it ends in 6. - It is a composite number, meaning it has divisors other than 1 and itself. The factors of 176 are 1, 2, 4, 8, 11, 16, 22, 44, 88, and 176.
Ferdinand Georg Frobenius (1849-1917) was a prominent German mathematician known for his contributions to various fields, including algebra, group theory, and linear algebra. He made significant advances in the theory of matrices and determinants and is perhaps best known for the Frobenius theorem, which pertains to the integration of differential equations and the concept of integrable distributions.
The number 178 is an integer that falls between 177 and 179. It can be classified in various mathematical contexts: 1. **Even or Odd**: 178 is an even number since it is divisible by 2. 2. **Prime or Composite**: 178 is a composite number because it has divisors other than 1 and itself. Specifically, its divisors include 1, 2, 89, and 178.
The number 180 has various significances across different fields: 1. **Mathematics**: - **Geometric Angle**: In geometry, 180 degrees is the measure of a straight angle. - **Sum of Angles**: In a triangle, the sum of the interior angles is always 180 degrees. 2. **Degrees**: - 180 degrees corresponds to half a circle in a 360-degree system.
The number 182 is an integer that comes after 181 and before 183. It can be factored into prime numbers as \( 2 \times 91 \) and further \( 91 \) can be factored into \( 7 \times 13 \). So, the prime factorization of 182 is \( 2 \times 7 \times 13 \). In addition, it has various mathematical properties: - It is an even number.
The number 183 is an integer that follows 182 and precedes 184. It is an odd number and can be analyzed in various mathematical contexts. Here are some interesting facts about 183: 1. **Prime Factorization:** The prime factorization of 183 is \(3 \times 61\). 2. **Properties:** It is an odd number and is not a prime number because it has divisors other than 1 and itself.
Zero-dimensional space, often denoted as \(0\)-D space, refers to a mathematical concept where a space has no dimensions. In a zero-dimensional space, all points are dimensionless, meaning there is no length, area, or volume associated with any part of the space. A classic example of a zero-dimensional space is a single point, which can be viewed as a space that contains only one element and has no extent in any direction.
The number 189 is a natural number that follows 188 and precedes 190. It can be factored into primes as \(3^3 \times 7\) (meaning \(3\) raised to the power of \(3\) multiplied by \(7\)). In addition to its mathematical properties, 189 may have various meanings in different contexts, such as being a year (e.g.
Friedrich Wilhelm Levi is not a widely recognized historical or contemporary figure in prominent fields such as politics, science, literature, or art. It's possible that the name might refer to a lesser-known individual in a specific niche or context, or there might be some confusion with a similar name.

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