Le Potier's vanishing theorem is a result in algebraic geometry concerning sheaf cohomology on certain types of varieties, specifically on smooth projective varieties. It is particularly concerned with the behavior of cohomology groups of coherent sheaves under the action of the derived category.
Circles are fundamental shapes in geometry, and several important theorems govern their properties and behaviors. Here are some key theorems about circles: 1. **Circumference Theorem**: The circumference \( C \) of a circle is given by the formula: \[ C = 2\pi r \] where \( r \) is the radius of the circle.
Hjelmslev's theorem is a result in the field of projective geometry that relates to the properties of conics (i.e., curves defined by quadratic equations) in projective spaces. Specifically, it addresses the conditions under which a conic in one projective plane can be transformed into an equivalent conic in another projective plane.
Spatial hearing loss refers to difficulties in locating and interpreting sounds in the environment, which can include challenges in distinguishing the direction and distance of sounds. This type of hearing loss typically affects a person's ability to perceive spatial cues that are essential for understanding where a sound is coming from, particularly in noisy environments.
Spatial memory is a type of memory that involves the ability to remember and navigate through the physical space around us. It allows individuals to recognize, recall, and use information about the locations of objects, distances, and the layout of environments. Spatial memory is essential for various activities, such as navigating through familiar and unfamiliar places, recalling the location of items, and recalling routes or paths.
Mosher's acid, also known as (S)-(+)-2-methyl-2-(trifluoromethyl)benzoic acid, is a chiral auxiliary used in asymmetric synthesis. It is particularly useful for the resolution of enantiomers and for studying stereochemistry due to its ability to form stable complexes with chiral compounds.
Racemization is a chemical process in which a chiral compound is converted into a racemic mixture, consisting of equal amounts of its enantiomers. Enantiomers are pairs of molecules that are mirror images of each other and cannot be superimposed. Because chiral compounds have specific spatial arrangements, they often exhibit different properties, including biological activity.
The Thorpe–Ingold effect refers to the stabilization of reaction intermediates or transition states in organic chemistry due to steric hindrance. Specifically, this effect is observed when bulky groups are positioned near a reactive center in a molecule, influencing the kinetics and thermodynamics of chemical reactions.
The Hardy–Littlewood Tauberian theorem is an important result in analytic number theory and summability theory. It provides a bridge between the growth conditions of a generating function and the convergence behavior of its associated series. In particular, it establishes conditions under which the summation of a series can be related to the growth of its generating function.
Littlewood's Tauberian theorem is a result in the field of mathematical analysis that connects the properties of series (or sequences) and their associated generating functions, specifically in the context of summability methods. The theorem provides conditions under which the convergence of a series can be inferred from the behavior of its generating function, particularly in relation to its analytic properties.
A fluid ounce (abbreviated as fl oz or oz fl) is a unit of volume commonly used to measure liquids. The fluid ounce varies in size depending on the system of measurement used: 1. **US Fluid Ounce**: In the United States, a fluid ounce is defined as approximately 29.57 milliliters (ml). It is often used in cooking and nutrition as well as for beverage measurements.
In topology, a normal space is a specific type of topological space that satisfies certain separation properties. A topological space \( X \) is called **normal** if it meets the following criteria: 1. **It is a T1 space**: This means that for any two distinct points in the space, there exist open sets that contain one point but not the other. In other words, points can be separated by neighborhoods.
Generalized functions, also known as distributions, extend the notion of functions to include objects that may not be functions in the traditional sense. They provide a framework for dealing with entities such as Dirac's delta function, which is not a function in the classical sense but is very useful in physics and engineering.
Serial killers are individuals who commit a series of two or more murders, typically with a distinct pattern or methodology. These murders are often characterized by emotional gratification, a specific motive, or a psychological compulsion. Serial killers may have a specific "victim type" and often engage in a cooling-off period between murders, which distinguishes them from mass murderers or spree killers. The psychology of serial killers is complex and can involve various factors, including a history of trauma, mental illness, or personality disorders.
The Brun–Titchmarsh theorem is a result in analytic number theory that provides an asymptotic estimate for the number of primes in an arithmetic progression. More specifically, it addresses the distribution of prime numbers in the form \( a + nd \), where \( a \) and \( d \) are coprime integers, and \( n \) ranges over the natural numbers.
Vinogradov's mean-value theorem is a result in additive number theory that concerns the distribution of the values of additive functions. It has significant implications for the study of Diophantine equations and is particularly important in the field of analytic number theory. The theorem essentially states that for a certain class of additive functions (typically of the type that can be exhibited as sums of integers), the average number of representations of a number as a sum of other integers can be understood in a mean-value sense.
The Walsh–Lebesgue theorem is a result in the field of harmonic analysis and real analysis concerning the properties of functions represented by Walsh series, which are expansions using Walsh functions. Walsh functions are a specific orthonormal basis used in the space of square-integrable functions on the interval [0, 1].
Rohan Rao may refer to different individuals depending on the context, as it is a relatively common name. Without specific context, such as a field (e.g., sports, entertainment, academia) or location, it's difficult to provide a precise answer.
A nephroid is a type of mathematical curve that resembles the shape of a kidney, which is where it gets its name (from the Greek word "nephros," meaning kidney). It is defined as the envelope of a family of circles or can be described parametrically in Cartesian coordinates.
Ω-logic (Omega-logic) is a term that can refer to various concepts depending on the context, usually relating to formal systems in logic, mathematics, or computer science. However, it is not a widely recognized or standard term in mainstream logic or 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 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