"Everything and More: A Compact History of Infinity" is a book by philosopher and mathematician Robert Kaplan, published in 2004. The book explores the concept of infinity in mathematics, tracing its historical development and the philosophical implications that arise from it. Kaplan examines the various ways in which infinity has been understood, from ancient Greek philosophy to modern mathematical theories.
Jan Gullberg is a Swedish mathematician and author, best known for his work in popularizing mathematics through his books. Among his notable works is "Mathematics: From the Birth of Numbers," which provides a comprehensive overview of the history and development of mathematics, exploring both its theoretical and practical aspects. Gullberg's writing aims to make mathematics accessible and interesting to a broad audience, highlighting its importance and relevance in various fields.
Edward Frenkel is a well-known mathematician, particularly recognized for his work in the areas of algebra, representation theory, and mathematical physics. Born in Russia in 1968, he has made significant contributions to the understanding of certain mathematical concepts, particularly in relation to the Langlands program, a set of deep conjectures connecting number theory and representation theory. Frenkel is also noted for his efforts to popularize mathematics through writing and teaching.
Eric Lander is a prominent American geneticist and molecular biologist known for his significant contributions to the field of genomics. He was one of the principal leaders of the Human Genome Project, which was an international research initiative aimed at mapping and understanding all the genes of the human species. Lander has served as a professor at the Massachusetts Institute of Technology (MIT) and is also a founding director of the Broad Institute, a collaborative research institution focused on genomics and biomedical science.
Stanisław Ulam was a Polish-American mathematician and physicist, born on April 13, 1909, in Lwów, Poland (now Lviv, Ukraine), and he passed away on May 13, 1984, in Santa Fe, New Mexico, USA. He is best known for his work in several fields, including mathematics, nuclear physics, and the development of the hydrogen bomb.
"The Art of Mathematics" is a phrase that can refer to multiple concepts, including a book title, a philosophical approach to mathematics, or the appreciation of the beauty and creativity inherent in mathematical thought and structure. 1. **Book Title**: One notable instance is the book "The Art of Mathematics: Coffee Time in Memphis" by Béla Bollobás, which explores mathematical concepts through engaging problems that encourage creative and critical thinking.
As of my last knowledge update in October 2023, Jacob Eichenbaum does not appear to be a widely recognized public figure, concept, or topic. It is possible that he could be a private individual or someone who has gained prominence after that date.
"Cocker's Decimal Arithmetick" is a mathematical work authored by Edward Cocker, first published in the 17th century, around 1678. The book is notable for its comprehensive treatment of decimal arithmetic, which was a significant development during that period as the use of decimal notation became more widespread. Cocker's work includes explanations of basic arithmetic operations—addition, subtraction, multiplication, and division—using decimals, as well as more complex financial and practical applications of decimal calculations.
A Discrete Fourier Transform (DFT) matrix is a mathematical construct used in the context of digital signal processing and linear algebra. It represents the DFT operation in matrix form, enabling the transformation of a sequence of complex or real numbers into its frequency components.
Matrix consimilarity (or sometimes referred to as "consimilar matrices") is a concept in linear algebra that relates to matrices that have the same "shape" or "structure" in terms of their relationships to one another.
A **hollow matrix** typically refers to a type of matrix structure where the majority of the elements are zero, and the non-zero elements are arranged in such a way that they form a specific pattern or shape. This term can apply in various mathematical or computational contexts, such as: 1. **Sparse Matrix**: A hollow matrix can be considered a sparse matrix, where most of the elements are zero. Sparse matrices are often encountered in scientific computing, especially when dealing with large datasets.
A monotone matrix is typically defined in the context of certain ordered structures. In matrix theory, a matrix \( A \) is considered monotone if it preserves a certain order under specific conditions.
A shift matrix, often used in linear algebra and related fields, is a specific type of matrix that represents a shift operation on a vector space. There are typically two types of shift matrices: the left shift matrix and the right shift matrix. 1. **Left Shift Matrix**: This matrix shifts the elements of a vector to the left. For example, if you have a vector \( \mathbf{x} = [x_1, x_2, x_3, ...
Antieigenvalue theory is not a widely recognized term in mathematics or physics, and it doesn’t appear to be a standard concept within the established literature. It’s possible that it could refer to a niche area of study, a new research development, or even a typographical error or misunderstanding of another concept such as "eigenvalue theory." Eigenvalue theory is a significant concept in linear algebra involving eigenvalues and eigenvectors associated with matrices or linear transformations.
The Moore-Penrose inverse, denoted as \( A^+ \), is a generalization of the inverse of a matrix that can be applied to any matrix, not just square matrices. It is particularly useful in scenarios where matrices are not of full rank or are not invertible. The Moore-Penrose inverse is defined for a matrix \( A \) and satisfies four specific properties: 1. **Hermitian property**: \( A A^+ A = A \) 2.
Quasideterminants are a concept from linear algebra that extends the notion of determinants to matrices that may not be square or might be singular. They are particularly useful in areas such as the theory of matrix singularity, matrix equations, and algebraic combinatorics. A quasideterminant is defined for a specific submatrix of a matrix.
Interpretive discussion is a method of dialogue designed to deepen understanding of a particular text, concept, or subject matter. The process emphasizes interpretation and meaning-making rather than simply summarizing or regurgitating information. This type of discussion often takes place in educational settings, such as classrooms or book clubs, where participants are encouraged to share their insights, perspectives, and emotional responses to the text or topic.
Metasemantics is a branch of philosophy and linguistics that investigates the relationship between meaning and the factors that determine it. While semantics is concerned with the meanings of words, phrases, and sentences in a language, metasemantics focuses on the underlying principles, contexts, and structures that influence how those meanings are interpreted and understood. Here are some key aspects of metasemantics: 1. **Meaning Determination**: Metasemantics explores how meanings are assigned to linguistic expressions.
The term "Chisini" does not have a widely recognized or standard meaning in English or any other major language. It could potentially be a name, a brand, or a term specific to a certain culture or community.
The concepts of essential infimum and essential supremum are used in measure theory and functional analysis to extend the idea of infimum and supremum in a way that accounts for sets that may have measure zero. These concepts are particularly useful when dealing with functions that may have discontinuities or singularities on sets of measure zero.

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