Eugenio Giuseppe Togliatti is not likely a widely recognized name in historical or contemporary discussions. However, you might be referring to **Palmiro Togliatti**, who was an important Italian communist politician and the leader of the Italian Communist Party (PCI) for many years. He played a significant role in Italian politics in the mid-20th century, particularly after World War II.
Geir Ellingsrud is a mathematician known for his work in algebraic geometry, particularly in the areas related to algebraic statistics, deformation theory, and intersection theory. He has contributed to several important concepts and results in these fields, and his research often involves the application of advanced mathematical techniques to solve complex problems.
Giacomo Albanese could refer to various individuals, but one prominent figure with that name is an Italian actor known for his work in film and television.
A Q-plate is an optical device that manipulates the polarization of light through a spatially-varying phase shift. It typically consists of a thin layer of liquid crystal or a similar material that can introduce a controlled phase difference between different polarization components of light. The primary function of a Q-plate is to convert circularly polarized light into a different polarization state while simultaneously imparting a specific topological charge to the outgoing beam.
Biconvex optimization refers to a class of optimization problems that involve a biconvex function. A function \( f(x, y) \) defined on a product space \( X \times Y \) (where \( X \) and \( Y \) are convex sets) is considered biconvex if it is convex in \( x \) for each fixed \( y \), and convex in \( y \) for each fixed \( x \).
Voice inversion is a method used to obscure or scramble audio signals, particularly in the context of communication systems. This technique is often employed to protect the privacy of conversations or to secure sensitive information. In practical terms, voice inversion involves altering the audio signal in such a way that it becomes unintelligible to anyone who intercepts it but can be easily reversed or decoded by the intended recipient with knowledge of the process.
Hermann Schubert could refer to several individuals, but one prominent figure is Hermann Schubert (1851–1908), a German mathematician known for his contributions to algebraic forms and invariant theory.
Indranil Biswas is a common name and could refer to several individuals in different contexts, such as academia, literature, or professional fields. Without more specific context, it's challenging to pinpoint exactly who you are referring to.
As of my last knowledge update in October 2021, "Jakob Rosanes" does not refer to a widely recognized figure, concept, or term in mainstream discussions. It’s possible that he could be a private individual, a lesser-known public figure, or someone who has gained prominence after my last update.
James McKernan is a prominent figure in the field of mathematics, particularly known for his work in algebraic geometry and commutative algebra. He has made significant contributions to the understanding of the relationships between algebraic varieties and their defining equations. Throughout his career, McKernan has published numerous papers and collaborated with other mathematicians, and he has held various academic positions.
Misconceptions are incorrect or false understandings and ideas about a particular concept, topic, or phenomenon. These misunderstandings can arise from a variety of sources, including lack of information, misinformation, cultural beliefs, or simply misinterpretations of facts. Misconceptions can occur in various fields, such as science, history, mathematics, and even everyday situations.
Map projections are techniques used to represent the curved surface of the Earth on a flat surface, such as a map. Since the Earth is a three-dimensional, roughly spherical object, projecting it onto a two-dimensional plane presents challenges, as it can lead to distortions in size, shape, distance, and direction. Different map projections address these distortions in various ways, often prioritizing certain geographical features or properties depending on the purpose of the map.
Climate TRACE (Tracking Real-time Atmospheric Carbon Emissions) is an initiative aimed at providing accurate and timely data on greenhouse gas emissions globally. Founded in 2020, it leverages advanced technologies such as satellite imagery, machine learning, and artificial intelligence to monitor and analyze emissions from various sources, including power plants, factories, and transportation.
Honesty is the quality of being truthful, sincere, and free from deceit or fraud. It involves expressing one's thoughts, feelings, and beliefs openly and accurately, while adhering to moral and ethical principles. Honesty is often considered a foundational virtue in personal relationships, professional settings, and societal interactions, as it fosters trust, integrity, and transparency. Being honest can manifest in various ways, such as: 1. **Truthfulness**: Providing accurate information and avoiding lies or misleading statements.
José Felipe Voloch is a mathematician known for his work in the field of topology, specifically in the area of homotopy theory and algebraic topology. He has contributed to various mathematical concepts and has authored or co-authored numerous research papers on these subjects.
Wallacea is a biogeographical region that encompasses a group of islands located between the continents of Asia and Australia, specifically in the eastern part of Indonesia. It is named after the British naturalist Alfred Russel Wallace, who conducted important research in the region in the 19th century. Wallacea is characterized by its unique biodiversity and is known for having a mix of species that are typically found in either Asia or Australia, which contributes to its distinct ecological characteristics.
Klara Löbenstein is likely a fictional character or reference, as there isn't widely available information on her in literature, history, or popular culture up to my last update in October 2023.
Geomagnetism refers to the study of the Earth's magnetic field, its origin, changes, and effects. The Earth's magnetic field is generated by the movement of molten iron and other metals in its outer core, which creates electric currents that, in turn, produce magnetic fields. Key aspects of geomagnetism include: 1. **Magnetic Field Characteristics**: The Earth's magnetic field resembles that of a giant bar magnet tilted about 11 degrees from the rotational axis of the Earth.
Michel Raynaud is a French mathematician known for his contributions to the field of mathematics, particularly in areas related to analysis and topology. He is most notable for his work on fractals, dynamical systems, and complex analysis. One of his significant contributions is in the study of the fractal properties of functions and sets.

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