Spectral sensitivity refers to the sensitivity of an organism's visual system or a photodetector to different wavelengths of light. It is a crucial concept in fields like biology, vision science, and optics. In the context of biology, different species have varying spectral sensitivities depending on the types of photoreceptors they possess (like rods and cones in vertebrates).
OPN1MW2 is a gene that encodes a protein involved in the phototransduction process in the retina, specifically related to vision. This gene is part of the opsin family, which are light-sensitive proteins that play a crucial role in the detection of light and the conversion of that signal into neural information that can be interpreted by the brain.
Complex analysis is a branch of mathematics that studies functions of complex numbers and their properties. This field is particularly important in both pure and applied mathematics due to its rich structure and the numerous applications it has in various areas, including engineering, physics, and number theory.
The term "principal branch" can refer to different concepts in various fields, but it is commonly associated with mathematics, particularly in complex analysis. In complex analysis, the principal branch often refers to the principal value of a multi-valued function. One of the most notable examples is the complex logarithm. The logarithm function, when extended to complex numbers, is inherently multi-valued due to the periodic nature of the complex exponential function.
"Compositions for guitar" generally refers to written pieces specifically designed for the guitar, encompassing a wide range of styles, techniques, and musical genres. These compositions can include original works by composers, arrangements of existing pieces, or traditional folk tunes adapted for guitar. Often categorized by their complexity, they can range from simple beginner pieces to advanced works that require a high level of technical skill.
The Bismut connection, named after Jean-Michel Bismut, is a concept from differential geometry and the theory of connections on vector bundles. It is particularly significant in the context of studying geometric structures and their associated differential operators, especially in relation to heat kernels and the analysis of elliptic operators.
"Compositions for harp" refers to musical works specifically created for the harp, an instrument known for its unique sound and complex playing techniques. These compositions can range from solo pieces to harp ensembles, and can include various styles and genres, such as classical, contemporary, folk, and more. Prominent composers of harp music include: - **Claude Debussy**: Notably his piece "Danses sacrée et profane.
Ana Caraiani is a prominent mathematician known for her work in number theory and related fields. Her research often involves areas such as automorphic forms, arithmetic geometry, and the Langlands program. She has contributed to the mathematical community through her publications and collaboration with other mathematicians. Additionally, she is known for her role in mentoring and supporting students and colleagues in mathematics.
The Enzyme Function Initiative (EFI) is a scientific project aimed at enhancing our understanding of enzyme functions and their applications. Launched by the National Institutes of Health (NIH), the EFI seeks to uncover the enzymatic roles of various proteins and expand the knowledge base regarding their mechanisms, activities, and potential uses in biotechnology and medicine.
A star network is a type of network topology in which all nodes (such as computers, printers, or other devices) are connected to a central hub or switch. The hub acts as a central point of communication, allowing devices to communicate with each other through this central node. Here are some key characteristics and advantages of a star network: ### Characteristics: 1. **Central Hub**: All devices are connected to a central device, which can be a switch, router, or hub.
Bernard Frénicle de Bessy (1610–1675) was a French mathematician known for his work in geometry and for being an early contributor to the field of combinatorics. He is particularly noted for his studies in the area of combinatorial geometry and for his investigations into polyhedra. Frénicle de Bessy is recognized for his work on the properties of geometric figures, including his exploration of their dimensional characteristics.
Elie Track is a scenic coastal path located in Elie, a village in Fife, Scotland. The track provides stunning views of the coastline, the North Sea, and the surrounding areas, making it popular for walkers and nature enthusiasts. The path is part of the wider Fife Coastal Path, which stretches for 117 miles and offers opportunities for hiking, birdwatching, and enjoying the natural beauty of the region.
C. T. C. Wall, also known as the Conformal Thin Shells in Cosmology Wall, is a framework used in cosmological models to study the effects of thin matter shells in the universe. This concept is often related to the study of gravitational collapse, structure formation, and the dynamics of cosmological phenomena.
Meike Akveld is a professional figure in the field of computer science and artificial intelligence. She is known for her contributions to research, particularly in the areas of machine learning and data science. Her work has often focused on the practical applications of AI and its implications in various industries.
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.
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.
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.

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