FreeS/WAN is an open-source software implementation of the IPsec (Internet Protocol Security) protocol suite, which is used to secure Internet Protocol (IP) communications through encryption and authentication. The name "FreeS/WAN" stands for "Free Secure Wide Area Network." Developed in the late 1990s, FreeS/WAN was one of the first IPsec implementations available for Linux, allowing users to create secure virtual private networks (VPNs).
The Kadomtsev–Petviashvili (KP) equation is a fundamental nonlinear partial differential equation (PDE) that describes the propagation of waves in a quasi-one-dimensional medium. It arises in various fields such as fluid dynamics, plasma physics, and nonlinear optics. The equation serves as a higher-dimensional generalization of the Korteweg–de Vries (KdV) equation, which describes solitons in one dimension.
The Korteweg–de Vries (KdV) equation is a third-order nonlinear partial differential equation that describes the evolution of waves in shallow water. It is significant in various fields, including fluid dynamics, nonlinear wave theory, and mathematical physics.
Kingman's subadditive ergodic theorem is a fundamental result in the field of probability theory and ergodic theory. It deals with sequences of random variables and provides conditions under which the average of these random variables converges to a predictable limit.
Prabhakar Misra refers to a specific figure, concept, or context within different domains, but without specific context, it's challenging to provide a precise answer. If you are referring to an individual, it would be helpful to know more about the context—such as their profession, contributions, or any specific field they are associated with. Alternatively, it could refer to a cultural, historical, or academic reference.
The "Golden Age of Spanish Software" refers to a period in the late 1980s and early 1990s when the Spanish software industry experienced significant growth and development. This era was characterized by the emergence of numerous software companies, innovations in software development, and the creation of products that catered to both domestic and international markets.
Hendrik van Heuraet is a name that may refer to various topics, but it is most commonly associated with Hendrik van Heuraet (or Heuraet), a Dutch painter from the 17th century, known for his genre paintings and portraits.
Maximizing measures generally refers to approaches or methodologies used in various contexts—like statistics, optimization, economics, or decision-making—where the goal is to maximize a certain performance metric, outcome, or utility measure. Here are a few contexts in which maximizing measures might be relevant: 1. **Statistics and Machine Learning**: In these fields, maximizing measures can relate to optimizing models to achieve the best predictive performance.
Antonio Monteiro is a mathematician known for his contributions to various fields of mathematics, including differential equations, dynamical systems, and applied mathematics. His work often focuses on the intersection of pure and applied mathematics, blending theoretical insights with practical applications. Though not as widely recognized as some other mathematicians, Monteiro may be involved in research, teaching, and contributions to mathematical literature and education. Information on specific publications or areas of expertise might be available in academic databases or through institutional affiliations.
Gino Fano is a name that can refer to different contexts, but it most commonly relates to the Italian mathematician Gino Fano, who made significant contributions to geometry and algebraic topology in the early to mid-20th century. He is perhaps best known for his work on projective geometry and for developing the concept of "Fano manifolds" in algebraic geometry, which are an important class of varieties with rich geometric properties.

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