Eid Hourany is a Lebanese social media influencer, entrepreneur, and creator known for her content on platforms like Instagram and TikTok. She gained popularity for her lifestyle, fashion, beauty, and travel-related posts, where she shares her experiences and insights with her followers. In addition to her social media presence, she may also be involved in various business ventures and collaborations with brands in the fashion and beauty industries.
A Herman ring is a concept in the field of dynamical systems, specifically in complex dynamics. It refers to a type of invariant set that arises in the study of maps, particularly those that are holomorphic or involve complex functions. A Herman ring is associated with a certain type of periodic point and is characterized by the presence of annular regions where the dynamics exhibit quasiconformal or non-unique properties.
Choi's theorem is an important result in the theory of completely positive (CP) maps in the context of operator algebras and quantum information theory. It provides a characterization of completely positive maps in terms of their action on matrices.
In mathematics, particularly in functional analysis and linear algebra, the concept of the **dual space** is important in studying vector spaces and linear maps. ### Definition Given a vector space \( V \) over a field \( F \) (commonly the real numbers \( \mathbb{R} \) or complex numbers \( \mathbb{C} \)), the **dual space** \( V^* \) is defined as the set of all linear functionals on \( V \).
The Schmidt decomposition is a mathematical technique used in quantum mechanics and quantum information theory to express a bipartite quantum state in a particularly useful form. It is analogous to the singular value decomposition in linear algebra. For a bipartite quantum system, which consists of two subsystems (commonly referred to as systems A and B), the Schmidt decomposition allows us to write a pure state \(|\psi\rangle\) in such a way that it identifies the correlations between the two subsystems.
The Hahn-Banach theorem is a fundamental result in functional analysis, particularly in the study of linear functionals on normed vector spaces. It has several formulations and applications, but its primary statement concerns the extension of linear functionals. ### Statement of the Hahn-Banach Theorem Informally, the theorem asserts that under certain conditions, a bounded linear functional defined on a subspace of a normed vector space can be extended to the whole space without increasing its norm.
Integer points in convex polyhedra refer to the points whose coordinates are integers and that lie within (or on the boundary of) a convex polyhedron defined in a Euclidean space. A convex polyhedron is a three-dimensional geometric figure with flat polygonal faces, straight edges, and vertices, such that a line segment joining any two points in the polyhedron lies entirely inside or on the boundary of the polyhedron.
An orthonormal basis is a specific type of basis used in linear algebra and functional analysis that has two key properties: orthogonality and normalization. 1. **Orthogonality**: Vectors in the basis are orthogonal to each other. Two vectors \( \mathbf{u} \) and \( \mathbf{v} \) are said to be orthogonal if their dot product is zero, i.e.
The Rule of Sarrus is a mnemonic used to evaluate the determinant of a \(3 \times 3\) matrix. It is particularly useful because it provides a simple and intuitive way to compute the determinant without resorting to the more formal cofactor expansion method.
Halley-type comets are a class of comets that have orbital characteristics similar to those of Halley's Comet, typically featuring periods of about 75 to 200 years. These comets are thought to originate from the Kuiper Belt or from a region beyond it, and their orbits often have relatively low eccentricities and inclinations.
A list of natural satellites refers to the various moons that orbit planets, dwarf planets, and other celestial bodies in our solar system and beyond. Here’s an overview of some notable natural satellites organized by the planets they orbit: ### Terrestrial Planets 1. **Earth**: - **Moon** (Luna) 2. **Mars**: - **Phobos** - **Deimos** ### Gas Giants 3.
Long-period comets are comets that take more than 200 years to complete an orbit around the Sun. Unlike short-period comets, which generally originate from the Kuiper Belt, long-period comets are believed to originate from the Oort Cloud, a distant and spherical shell of icy bodies that surrounds the solar system.
A sodium bicarbonate rocket is a type of simple rocket that uses the reaction between sodium bicarbonate (baking soda) and an acid to produce carbon dioxide gas, which generates thrust and propels the rocket upward. This reaction is often demonstrated in educational settings or hobby projects because of its safety and simplicity. ### Basic Components: 1. **Sodium Bicarbonate (Baking Soda)**: The fuel component.
Sacred geometry is a spiritual and philosophical belief that certain geometric shapes and proportions have symbolic meanings and significance. It is often associated with various traditions and religions, including Hinduism, Buddhism, Christianity, and ancient Egyptian beliefs, and it is thought to reflect the fundamental principles of the universe and creation. Sacred geometry explores the relationships between shapes, patterns, and forms, often emphasizing the idea that these geometric principles manifest the underlying order of the cosmos.
In the context of group theory, a strong generating set is a specific type of generating set used to describe a group in a way that can provide insights into its structure and properties.
Capped square antiprismatic molecular geometry refers to a specific three-dimensional arrangement of atoms within a molecular or coordination complex. In this geometry, the framework comprises a square antiprism, which is a polyhedron consisting of two parallel square faces connected by eight triangular faces. The "capped" aspect of this geometry indicates that there are additional atoms or groups that occupy specific positions above and below the square faces of the antiprism, effectively capping it.
In JavaScript, prototype methods refer to functions that are associated with an object's prototype. Every JavaScript object has a prototype, which is itself an object. When you try to access a property or method on an object, JavaScript first looks for that property or method on the object itself. If it doesn't find it, it continues searching up the prototype chain until it either finds the property/method or reaches the end of the chain (typically the `Object.prototype`).
Alexander Varchenko is a prominent mathematician known for his contributions to areas such as algebra, algebraic geometry, and mathematical physics. He is particularly recognized for his work on the theory of quantum groups and their applications to geometry and representation theory. His research often bridges different mathematical fields, establishing connections that have led to significant advancements in understanding complex mathematical structures.
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





