An analytic polyhedron is a geometric object in mathematics that combines the concepts of polyhedra with analytic properties. Specifically, an analytic polyhedron is defined in the context of real or complex spaces and is typically described using analytic functions. 1. **Polyhedron Definition**: A polyhedron is a three-dimensional geometric figure with flat polygonal faces, straight edges, and vertices. Each face of a polyhedron is a polygon, and the overall shape can be described using vertices and edges.
The Favard operator is an integral operator used in the field of functional analysis and approximation theory. It is typically associated with the approximation of functions and the study of convergence properties in various function spaces. The operator is used to construct a sequence of polynomials that can approximate continuous functions, particularly in the context of orthogonal polynomials. The Favard operator can be defined in a way that it maps continuous functions to sequences or series of polynomials by integrating against a certain measure.
The Mazur–Ulam theorem is a fundamental result in the field of functional analysis and geometry. It deals with the structure of isometries between normed spaces.
Minlos's theorem is a result in the field of mathematical physics, particularly in the study of classical and quantum statistical mechanics. It concerns the existence of a certain kind of measure and the characterization of the states of a system described by a Gaussian field or process. More formally, Minlos's theorem provides conditions under which a Gaussian measure on the space of trajectories (or functions) can be constructed.
The Monge equation, often referred to in the context of optimal transport theory and differential geometry, describes the relationship between a function and its gradient in terms of a specific type of geometric problem. Specifically, in the context of optimal transport, the Monge-Ampère equation is one of the key equations studied.
The Plancherel theorem is a fundamental result in the field of harmonic analysis, particularly in the context of Fourier transforms and Fourier series. It establishes an important relationship between the \( L^2 \) spaces of functions and distributions, indicating that the Fourier transform is an isometry on these spaces.
The Remmert–Stein theorem is a result in the field of complex analysis and several complex variables. It is concerned with the behavior of holomorphic functions and the structure of holomorphic maps in the context of proper mappings between complex spaces. Specifically, the theorem addresses the conditions under which a proper holomorphic map between two complex spaces induces a certain kind of behavior regarding the images of compact sets.
Zahorski's theorem is a result in the field of mathematical analysis and set theory, particularly dealing with properties of Baire spaces. Specifically, it pertains to the existence of certain types of functions or mappings in the context of continuous functions in Baire spaces.
Aizik Volpert is a notable mathematician known for his contributions to various areas of mathematics, particularly in the fields of topology, algebra, and mathematical education. He has worked extensively on topics related to mathematical analysis and has published numerous research papers.
Ben Lockspeiser is not a widely recognized public figure or topic as of my last knowledge update in October 2021.
Guido Fubini (1879-1943) was an influential Italian mathematician, best known for his contributions to functional analysis, complex analysis, and the theory of integrals. He is particularly noted for the Fubini theorem, which provides conditions under which one can interchange the order of integration in a double integral. Fubini's work also extended to issues in measure theory and the study of differential equations.
Emil Grosswald (1911–2004) was a notable Polish-born American mathematician recognized primarily for his contributions to number theory and the theory of special functions. He made significant advancements in various mathematical areas and published numerous papers throughout his career. Grosswald was involved in academic activities and contributed to the mathematical community, mentoring students and participating in seminars and conferences. His work continues to influence contemporary research in mathematics.
Macromolecular docking is a computational process used to predict the preferred orientation of two macromolecules—typically a protein and a ligand (which can be another protein, a small molecule, or nucleic acid)—when they interact to form a stable complex. This technique is widely employed in fields such as drug discovery, structural biology, and biochemistry, where understanding the interactions between biomolecules is crucial for elucidating biological functions and developing therapeutic strategies.
Jovan Karamata is a prominent Serbian mathematician known for his contributions to functional analysis, particularly in the areas of summability theory and sequence spaces. One of his most notable contributions is the Karamata theorem, which deals with the asymptotic behavior of positive, regularly varying functions. His work has had a significant impact on various fields of mathematics, including real analysis and measure theory.
Ozgur B. Akan is a prominent figure in the field of electrical and computer engineering, particularly noted for his work in wireless communications, sensor networks, and the Internet of Things (IoT). He is a professor at the College of Engineering at the University of Georgia. His research often focuses on advanced wireless technologies, including methods for improving communication systems and network performance.
As of my last update in October 2023, Jørgen Dybvad does not appear to be a widely recognized public figure or entity, and there may not be specific information about him in major databases or news sources.
AZ64 is a data compression algorithm developed by Amazon Web Services (AWS) for use with its cloud services, particularly in Amazon Redshift, a data warehousing solution. The algorithm is designed to optimize the storage and performance of large-scale data processing jobs by effectively compressing data. AZ64 benefits include: 1. **High Compression Ratios**: AZ64 employs advanced techniques to achieve better compression ratios compared to traditional methods. This can lead to reduced storage costs and improved data transfer speeds.
Elias delta coding is a variable-length prefix coding scheme used for encoding integers, particularly useful in applications such as data compression and efficient numeral representation. It is part of a family of Elias codes, which also includes Elias gamma and Elias omega coding. The Elias delta coding scheme consists of the following steps for encoding a positive integer \( n \): 1. **Binary Representation**: First, determine the binary representation of the integer \( n \).
An "almost perfect number" is a type of natural number that is closely related to perfect numbers. A perfect number is a positive integer that is equal to the sum of its proper divisors (excluding itself). For example, 6 is a perfect number because its divisors (1, 2, and 3) add up to 6.
Neutron activation is a process in nuclear physics and radiochemistry whereby stable or radioactive isotopes capture neutrons, leading to the formation of new isotopes. When a nucleus absorbs a neutron, it can become unstable, resulting in radioactive decay and the emission of radiation. This process is significant for several reasons: 1. **Isotope Production**: Neutron activation can be used to produce specific isotopes in a controlled manner.

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