The Eakin–Nagata theorem is a result in the field of functional analysis and specifically concerns the relationship between certain ideals in the context of Banach spaces and their duals. This theorem is particularly relevant in the study of dual spaces and the structure of various function spaces.
Walter Kutschera is an Austrian physicist known for his work in the fields of nuclear and particle physics. He has made significant contributions to the study of unstable isotopes and their applications in research. Kutschera is particularly recognized for his research involving the techniques of accelerator mass spectrometry and the study of the interactions of cosmic rays with matter. He has been involved in various academic and research institutions and has published numerous scientific papers in these fields.
A Boolean conjunctive query is a type of query used in database systems and information retrieval that combines multiple conditions using logical conjunction (often represented by the AND operator). This type of query retrieves data that satisfies all of the specified conditions. In a Boolean conjunctive query, each condition typically involves the presence or absence of certain attributes or values.
In the context of algebra, particularly in ring theory, a minimal ideal refers to a specific type of ideal within a ring. An ideal \( I \) of a ring \( R \) is called a **minimal ideal** if it is non-empty and does not contain any proper non-zero ideals of \( R \). In other words, a minimal ideal \( I \) satisfies two properties: 1. \( I \neq \{0\} \) (i.e.
A **Principal Ideal Domain (PID)** is a special type of integral domain in the field of abstract algebra. Here are some key characteristics of a PID: 1. **Integral Domain**: A PID is an integral domain, which means it is a commutative ring with no zero divisors and has a multiplicative identity (usually denoted as 1). 2. **Principal Ideals**: In a PID, every ideal is a principal ideal.
The Tensor-hom adjunction is a concept in category theory that relates two functors: the "tensor" functor and the "hom" functor. This adjunction is particularly important in the context of monoidal categories, which are categories equipped with a tensor product.
The Weierstrass Preparation Theorem is a fundamental result in complex analysis and algebraic geometry concerning the behavior of holomorphic functions near a point where they have a zero. It is particularly important in the study of local properties of holomorphic functions and their singularities.
POP-11 is a programming language that is part of the POP (Programming in One Paradigm) family of languages, which was developed in the late 1970s and early 1980s at the University of Sussex in the UK. It was primarily designed for artificial intelligence (AI) programming and has strong support for list processing, symbolic computation, and complex data structures, making it suitable for research in AI and cognitive modeling.
The 20th century produced several notable Spanish physicists who made significant contributions to various fields of physics. Some of them include: 1. **Juan de la Cierva (1895–1936)** - Although primarily an engineer, Cierva is known for inventing the autogyro, an early type of rotary-wing aircraft. His work intersects with aerodynamics and fluid dynamics.
Zariski's finiteness theorem is a result in algebraic geometry, particularly concerning the structure of varieties over fields, particularly over algebraically closed fields. The theorem is named after Oscar Zariski, a prominent figure in the development of modern algebraic geometry. The essence of the theorem deals with the behavior of morphisms between algebraic varieties.
NL-complete problems are a class of decision problems that are both in the complexity class NL (nondeterministic logarithmic space) and are as hard as the hardest problems in NL. The concept of NL-completeness is similar to that of NP-completeness, but with respect to problems that can be solved using a restricted amount of memory.
P-complete problems are a class of problems in computational complexity theory that are considered to be the "hardest" problems within the complexity class P, which consists of all decision problems that can be solved in polynomial time by a deterministic Turing machine.
The 20th century saw several notable Swiss physicists who made significant contributions to various fields of physics. Here are a few prominent figures: 1. **Albert Einstein (1879–1955)**: Probably the most famous physicist of the 20th century, Einstein was born in Germany but became a Swiss citizen in 1901. He developed the theory of relativity, which revolutionized our understanding of space, time, and gravity.
Robert McCann is a prominent mathematician known for his work in the fields of partial differential equations, geometric analysis, and optimal transport. He is a professor at the University of Toronto and has made significant contributions to the mathematical understanding of transport phenomena, which has applications in various areas such as economics, fluid dynamics, and more. One of his notable achievements is the application of optimal transport theory to problems in differential geometry and the study of Ricci flow.
The Clique problem is a well-known problem in graph theory and computer science, particularly within the field of computational complexity. A clique in a graph is defined as a subset of vertices such that every two distinct vertices in the subset are adjacent, which means there is an edge connecting every pair of vertices in that subset.
Atomistix Virtual NanoLab (AVN) is a software platform developed for simulating and modeling nanostructures and nanomaterials. It is particularly useful in the field of nanotechnology and materials science, allowing researchers to perform quantum mechanical simulations of complex systems at the nanoscale.
Graph coloring is a concept in graph theory that involves assigning labels, or "colors," to the vertices (or sometimes edges) of a graph under certain constraints. The primary goal is to ensure that adjacent vertices (or edges) do not share the same color. This is useful in various applications such as scheduling, register allocation in compilers, and frequency assignment in telecommunications.
The 21st century has seen several prominent Dutch physicists making significant contributions across various fields of physics. Some notable figures include: 1. **Frank Wilczek** - Although primarily associated with the United States, he has Dutch ancestry and has occasionally collaborated with Dutch institutions. Wilczek is known for his work in theoretical physics, particularly in the areas of quantum field theory and particle physics.
A hydraulic drop, often referred to in the context of fluid dynamics and hydraulics, is typically used to describe a sudden change in the hydraulic gradient or pressure drop in a fluid system. This concept can apply to various scenarios including open channel flow, pipe flow, and hydraulic structures.
Graphs are mathematical structures used to model pairwise relationships between objects. They consist of vertices (or nodes) and edges (connections between the vertices). Graphs can be used to represent various systems in numerous fields, including computer science, social science, biology, and transportation. ### Key Terminology: 1. **Vertices (or Nodes)**: The fundamental units or points of the graph. They can represent entities such as people, cities, or any discrete items.

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