Rees algebra is a construction in commutative algebra that generalizes the notion of an ideal in a ring. It is particularly useful in the study of local rings and algebraic geometry. The Rees algebra is named after David Rees, who introduced it as a tool for the study of properties of ideals and their associated varieties.
Reinsurance actuarial premium refers to the calculation of premiums that a reinsurer charges to an insurance company for assuming risks that the insurer wants to transfer. This actuarial process involves assessing various factors to determine an appropriate premium level based on the risk characteristics of the covered policies. ### Key Aspects: 1. **Risk Assessment**: Actuaries analyze the underlying risks that the primary insurer is transferring to the reinsurer. This includes evaluating historical claims data, loss trends, and potential future risks.
The term "Central American Pacific Islands" typically refers to the island nations and territories located in the Pacific Ocean that are associated with Central America. While the primary landmass of Central America consists of countries like Guatemala, Belize, Honduras, El Salvador, Nicaragua, Costa Rica, and Panama, there are also islands and archipelagos in the Pacific connected to these nations.
Replica constructions in China refer to the practice of building full-scale replicas of famous landmarks, buildings, and historical sites, often from around the world. This phenomenon has grown significantly in recent decades and can be seen in various aspects of Chinese urban development and tourism. One of the most notable examples is the construction of entire theme parks or districts that mimic Western architecture, such as the "Venice of China" in Suzhou or the "French Town" in Hangzhou.
Reverse diffusion is a concept often discussed in the context of generative models, particularly in machine learning and statistical physics. In simple terms, it refers to a process in which a system moves from a state of higher disorder or uncertainty (often represented by noise) to a state of lower disorder or higher structure, effectively "reversing" the natural process of diffusion.
Advanced statistics in basketball refer to a set of metrics and analytical tools that go beyond traditional statistics (like points, rebounds, and assists) to provide deeper insights into player performance, team dynamics, and overall game strategy. These advanced metrics help coaches, analysts, and fans evaluate the effectiveness of players and teams in more nuanced ways.
Richard Cartwright is an influential philosopher, primarily known for his work in the philosophy of science, particularly concerning the philosophy of likelihood and causation. He has also contributed to discussions in metaphysics and the philosophy of language. His research often focuses on the foundations of scientific reasoning and the implications of scientific theories. Cartwright is recognized for advocating that scientific theories should be understood in terms of their capacity to provide explanations rather than merely being predictive.
As of my last update in October 2021, Harald Gröbner is not a widely recognized public figure, and there may have been limited available information about him. It's possible that you are referring to someone in a specific field, such as academia, research, or another area.
Wilhelm Traugott Krug (1770–1842) was a German philosopher known for his contributions to German idealism and his work in the fields of philosophy, logic, and pedagogy. He is often associated with the development of subjective idealism and was influenced by the works of German philosophers like Immanuel Kant and Georg Wilhelm Friedrich Hegel.
The TRAP (Trapped Radio Active atoms in Penning traps) experiment is a scientific endeavor aimed at studying fundamental interactions and properties of atomic and subatomic particles, often involving the confinement of radioactive isotopes in electromagnetic fields. This technique allows researchers to examine the behavior of these particles with high precision.
Cash-flow return on investment (CFROI) is a financial metric that measures the cash generated by an investment relative to the amount of capital invested. It provides insights into the efficiency of an investment in generating cash flow, making it particularly useful for investors and analysts who prioritize cash generation over accounting profitability.
Judith Liebman is a prominent figure in the field of mathematics, particularly known for her work in the areas of topology and combinatorics. She has made significant contributions to discrete mathematics and has been involved in various educational initiatives to promote mathematics.

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 5. . 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.
  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