The average crossing number of a graph is a concept from graph theory that relates to the arrangement of edges in a graph when drawn in the plane. Specifically, it quantifies the average number of crossings that occur when edges are drawn between vertices. ### Key Points: 1. **Graph Drawing**: When a graph is drawn on a plane, edges might cross each other. A crossing occurs whenever two edges intersect at a point that is not a vertex.
The Birman–Wenzl algebra, often denoted as \( BW_n \), is an algebraic structure that arises in the study of knot theory, representation theory, and those interactions with combinatorics. It is named after Joan Birman and Hans Wenzl, who introduced it in the context of their work on braids and coloring of knots.
The Fáry–Milnor theorem is a result in the field of geometric topology, specifically concerning the properties of simple closed curves in three-dimensional Euclidean space. The theorem states that every simple closed curve in \(\mathbb{R}^3\) can be represented as a polygonal curve (a finite concatenation of straight line segments) with a finite number of vertices.
The list of mathematical knots and links refers to the classification and naming of different types of knots and links studied in the field of topology, particularly in knot theory. Knots are closed curves in three-dimensional space that do not intersect themselves, and links are collections of two or more knots that may or may not be interlinked. Here are some commonly recognized knots and links: ### Knots 1. **Unknot**: The simplest knot, which is equivalent to a simple loop.
The Tait conjectures, proposed by the Scottish mathematician Peter Guthrie Tait in the late 19th century, relate to the field of knot theory, a branch of topology. Tait conjectured that there are specific relationships between the number of crossings in a knot diagram and its properties, particularly concerning its link or knot type.
The vortex theory of the atom, often associated with the work of 19th-century physicist William Thomson (also known as Lord Kelvin), proposes that atoms are not solid, indivisible particles but rather are composed of swirling vortices in the aether. According to this theory, these vortices would represent the fundamental particles of matter, with their motions and interactions giving rise to the properties of atoms and molecules.
A knowledge base (KB) is a structured set of information or data that is organized and categorized to facilitate easy access, retrieval, and management. Knowledge bases are commonly used in various contexts, including: 1. **Customer Support**: Many companies create knowledge bases to provide answers to frequently asked questions (FAQs), product information, troubleshooting guides, and tutorials. These resources help customers find solutions quickly without needing to contact customer support.
300 mm artillery typically refers to large-caliber artillery pieces that fire projectiles with a diameter of 300 millimeters (30 cm). This size of artillery is often associated with heavy howitzers or siege guns, which are designed for long-range bombardment and can deliver powerful explosive shells over significant distances. Historically, 300 mm artillery has been used in many military conflicts and can be mounted on both towed and self-propelled platforms.
Peer-to-peer (P2P) is a distributed network architecture that allows participants, or "peers," to connect directly with one another to share resources, information, or services without relying on a centralized server. In a P2P network, each participant typically has equal standing and can act as both a client and a server, which distinguishes it from traditional client-server models where clients request resources from a centralized server.
The SECI model is a framework for understanding the processes of knowledge creation and transfer within organizations, developed by Japanese management scholar Ikujiro Nonaka and his colleagues in the 1990s. The acronym SECI stands for the four key modes of knowledge conversion: 1. **Socialization**: This mode involves the sharing of tacit knowledge through social interactions and experiences.
Flow is a project management and collaboration software that helps teams plan, organize, and track their work. It provides a variety of features designed to enhance productivity, streamline workflows, and facilitate communication within teams. Here are some key aspects of Flow: 1. **Task Management**: Users can create tasks, assign them to team members, set deadlines, and track progress. This allows for better organization of work and accountability among team members.
Intellectual Capital Management (ICM) refers to the systematic management of an organization's intangible assets, which are crucial for achieving competitive advantage and enhancing overall value. These intangible assets typically include knowledge, expertise, relationships, and innovation capabilities. ICM aims to recognize, foster, and leverage these assets to optimize organizational performance and drive growth. ### Key Components of Intellectual Capital: 1. **Human Capital**: The skills, knowledge, and experience of an organization’s employees.
Knowledge management software is a type of application designed to help organizations capture, store, manage, and share knowledge and information efficiently. Its primary goal is to facilitate information sharing and create a culture of knowledge sharing, enhancing organizational learning and collaboration.
The term "234 mm artillery" typically refers to artillery pieces or ammunition with a caliber of 234 millimeters. This specific caliber is not among the most commonly used in modern artillery systems, as most artillery pieces are typically measured in more standard calibers such as 105 mm, 155 mm, or 203 mm. However, artillery of this caliber could be related to specific historical weapons or specialized systems used in particular military forces.
Nuclear knowledge management (NKM) refers to the systematic handling of knowledge within the nuclear sector, including the nuclear power industry, nuclear waste management, and nuclear research. The goal of NKM is to ensure the effective use, preservation, and transfer of knowledge related to nuclear technologies, policies, safety, and regulations. Key aspects of nuclear knowledge management include: 1. **Knowledge Creation and Capture**: This involves establishing processes for documenting knowledge generated through research, operations, and experiences in the field.
A Process Development Execution System (PDES) is a structured framework or set of tools used in industries such as pharmaceuticals, biotechnology, and manufacturing to streamline and optimize the development, execution, and management of processes involved in the creation and delivery of products. The PDES integrates several aspects of process development, from initial research and development through to production, to ensure that processes are efficient, reproducible, and compliant with quality and regulatory standards.
The Canadian Arctic Rift System (CARS) is a geological feature that is part of the complex tectonic framework of the Canadian Arctic. This rift system represents a significant geological process involving the extension and thinning of the Earth's crust, which can lead to the formation of new basins and other geological structures over time. CARS is primarily situated in the Arctic Archipelago of Canada, which includes islands such as Baffin Island and Ellesmere Island.
The term "success trap" refers to a situation where an individual or organization becomes overly focused on past successes to the detriment of future growth and adaptation. This phenomenon can manifest in various ways, including: 1. **Complacency**: When past achievements lead to a false sense of security, resulting in a lack of innovation and risk-taking. Individuals or organizations may stop exploring new opportunities or adapting to changing environments because they believe their current methods will continue to yield success.
The World Café is a conversational process designed to facilitate open dialogue and collective thinking among a large group of people. It is often used in community engagement, organizational development, and educational settings to enhance collaboration and generate new ideas or solutions on specific topics. The core elements of a World Café include: 1. **Setting the Environment:** The venue is typically set up like a café, with small tables that encourage a relaxed atmosphere.
The **Averaged Lagrangian** is a concept often used in the context of dynamical systems, particularly in the fields of mechanics and control theory. It is associated with the method of averaging, which is a mathematical technique used to simplify the analysis of systems with periodic or oscillatory behavior.
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!
Intro to OurBigBook
. Source. We have two killer features:
- 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-calculusArticles 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/derivativeVideo 2. OurBigBook Web topics demo. Source. - 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.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
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. - Infinitely deep tables of contents:
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





