A **Feedback Arc Set** (FAS) is a concept in graph theory that refers to a specific type of subset of edges in a directed graph (digraph). The purpose of a feedback arc set is to eliminate cycles in the graph. More formally, a feedback arc set of a directed graph is a set of edges such that, when these edges are removed, the resulting graph becomes acyclic (i.e., it contains no cycles).
Pascal Massart could refer to a few different things, but in the context of notable figures, it is likely referencing a French statistician known for his contributions to the field of statistics, particularly in nonparametric statistics and empirical processes. He has authored various papers and books on statistical theory.
William Kruskal was a prominent American statistician known for his contributions to statistical theory and methodology. He played a significant role in developing non-parametric statistics, particularly through the Kruskal-Wallis test, which is used for comparing three or more independent samples. Kruskal was also involved in other areas of statistics, including multivariate analysis and the analysis of variance. His work has had a considerable impact on the field, and he has been recognized for his contributions throughout his career.
The term "5th-century mathematicians" typically refers to various mathematicians and scholars who made significant contributions to mathematics during the 5th century AD. This period is notable for advancements in mathematics, particularly in the realm of geometry and number theory, influenced by earlier Greek mathematicians. Some key figures associated with this time include: 1. **Hypatia of Alexandria (c.
"Iraqi mathematicians" refers to individuals from Iraq who have made contributions to the field of mathematics, either historically or in contemporary times. Iraq, historically known as Mesopotamia, is often considered the cradle of civilization, and it has a rich history in mathematics and science that dates back to ancient times. The ancient Babylonians, for instance, developed a base-60 number system and made significant advancements in geometry, algebra, and astronomy.
Carniolan mathematicians refer to mathematicians from the historical region of Carniola, which is now part of Slovenia. Carniola was known for its cultural and intellectual contributions, and several notable mathematicians emerged from this area. One of the most prominent figures is Jurij Vega (also known as Georgius Vega) from the 18th century, who made significant contributions to mathematics, particularly in areas like trigonometry and the development of mathematical tables.
Kenyan mathematicians refers to individuals from Kenya who have made significant contributions to the field of mathematics, either through research, teaching, or application of mathematical concepts. Kenya has a growing community of mathematicians who are involved in various areas of research, including pure mathematics, applied mathematics, statistics, and mathematical modeling. Kenyan mathematicians may be affiliated with universities, research institutions, or organizations that promote mathematical education and research. Notable figures in the Kenyan mathematical community include: 1. **Prof.
No closed form solution, but good approximation that can be calculated by hand with the Hartree-Fock method, see hartree-Fock method for the helium atom.
Bibliography:
Force carrier of quantum chromodynamics, like the photon is the force carrier of quantum electrodynamics.
One big difference is that it carrier itself color charge.
Crazy overlaps with Ciro Santilli's OurBigBook Project, Wikipedia states:
Administrators of Project Xanadu have declared it superior to the World Wide Web, with the mission statement: "Today's popular software simulates paper. The World Wide Web (another imitation of paper) trivialises our original hypertext model with one-way ever-breaking links and no management of version or contents.
www.nature.com/articles/d41586-023-02600-xThey overreached it seems.
Almost since it began, however, the HBP has drawn criticism. The project did not achieve its goal of simulating the whole human brain — an aim that many scientists regarded as far-fetched in the first place. It changed direction several times, and its scientific output became “fragmented and mosaic-like”, says HBP member Yves Frégnac
Their website, and in particular the recruitment section, are so creepy.
There's not mention of bombs. No photos of atomic explosions. The words "atomic" and "weapon" do not even show up in the front page!!! The acronym AWE is instead used everywhere as an euphemism.
In the recruitment section we can see a bunch of people smiling: web.archive.org/web/20211007213222/https://www.awe.co.uk/careers/working-at-awe/, suggesting:There's even children outreach!!!
Ciro Santilli is not against storing a few nukes to be ready against dictatorships. But don't be such a pussy! Just say what the fuck you are doing more clearly! You are making weapons to kill people and destroy things in order to maintain the Balance of power. If the public can't handle such facts, then shut down the fucking program.
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