An icosidodecahedral prism is a type of polyhedral solid that can be classified as a prism. More specifically, it is formed by taking two identical icosidodecahedron bases and connecting them with rectangular faces. The icosidodecahedron is a convex Archimedean solid made up of 20 equilateral triangular faces and 12 regular pentagonal faces, with 30 edges and 60 vertices.
Ilkka Hanski (1947–2021) was a prominent Finnish ecologist and biologist known for his significant contributions to the fields of population ecology, conservation biology, and landscape ecology. He was particularly recognized for his work on the metapopulation theory, which examines how populations of species interact across fragmented habitats. His research emphasized the importance of habitat connectivity and spatial dynamics in understanding population viability and biodiversity.
Ilesanmi Adesida is a prominent Nigerian-American electrical engineer and academic known for his contributions to the field of electrical and computer engineering. He has held various academic and administrative positions, including serving as a professor and in leadership roles at universities. Adesida's research typically focuses on semiconductor devices, nanotechnology, and other areas within the electrical engineering discipline. He is recognized for his contributions to education and has been involved in initiatives to promote engineering and technology in both the United States and Nigeria.
An **incompressible surface** is a concept from the field of topology, specifically in the study of 3-manifolds. It refers to a two-dimensional surface that cannot be compressed into a simpler form without cutting it. This property is significant in both mathematical theory and applications, such as in knot theory and the study of 3-manifolds.
Index arbitrage is a trading strategy that involves exploiting the price discrepancies between a stock market index and its underlying components or derivatives. The goal is to profit from mispricings that may exist between the index and the assets that make it up or financial instruments that track the index. ### How Index Arbitrage Works 1. **Identifying Mispricing:** Traders observe the index value and compare it to the combined value of the individual stocks that comprise the index.
Salvador Dalí was a prominent Spanish surrealist artist known for his imaginative and eccentric artworks that often explored themes of dreams, subconsciousness, and the bizarre. Born on May 11, 1904, in Figueres, Catalonia, Dalí became one of the most influential figures in 20th-century art. He is best known for his stunning and often bizarre paintings, which featured dreamlike imagery, distorted forms, and unexpected juxtapositions.
The "Self-Portrait" in the Alte Pinakothek is a painting by the Dutch artist Rembrandt van Rijn. The Alte Pinakothek is a renowned art museum located in Munich, Germany, that houses a significant collection of European masterpieces from the 14th to the 18th centuries. Rembrandt's self-portrait is one of many he created throughout his life, showcasing his mastery of light, shadow, and the human condition.
The E. H. Moore Research Article Prize is an award presented by the American Mathematical Society (AMS) to recognize outstanding research articles in mathematics. It is named after Eliakim Hastings Moore, an influential American mathematician known for his contributions to various areas of mathematics, including functional analysis and topology. The prize is awarded for research articles published in the Transactions of the American Mathematical Society, and it aims to highlight the importance of exceptional research work in the mathematical community.
The Levi L. Conant Prize is an award given by the American Mathematical Society (AMS). It honors the memory of Levi L. Conant, who was a notable figure in the field of mathematics, particularly known for his contributions to mathematical education and his role in promoting mathematics. The prize is typically awarded for articles published in the AMS's publications that are aimed at a broad mathematical audience and that exhibit expository excellence.
The Merten M. Hasse Prize is an award given for outstanding contributions to the field of number theory. Named after the mathematician Merten M. Hasse, the prize typically recognizes work in areas related to algebraic number theory, transcendental number theory, and related fields. The prize is often associated with a particular institution or society, such as the American Mathematical Society (AMS) or similar organizations, although specific details can vary.
The Information-Action Ratio (IAR) is a concept used to evaluate the efficiency of information in prompting action or decision-making. It highlights the balance between the amount of information acquired and the actions taken as a result of that information. The ratio can be expressed as: \[ \text{IAR} = \frac{\text{Information}}{\text{Action}} \] Where: - **Information** refers to the relevant data or insights that inform a decision or action.

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