Jens Høyrup is a Danish mathematician known for his work in the fields of mathematics education, history of mathematics, and the philosophy of mathematics. He has been active in exploring concepts related to mathematical thinking and the ways in which mathematics is taught and understood. His contributions often emphasize the social and cultural dimensions of mathematics, as well as the importance of historical context in understanding mathematical concepts.

Jesper Lützen is a mathematician known for his work in the field of mathematical logic, particularly in category theory and topology. He has contributed to the understanding of various mathematical concepts and frameworks.

Johan Ludvig Heiberg (1791–1860) was a Danish historian, playwright, and literary figure. He was an influential figure in 19th-century Denmark and played a significant role in the cultural and intellectual life of his time. Heiberg is known for his contributions to historical writing, literature, and theater, often focusing on topics related to Danish history and culture. Heiberg was part of the Romantic movement and was associated with various literary and artistic circles.

Kirsti Andersen is not a widely recognized public figure or concept, so it's possible that you might be referring to a private individual or a less prominent person. Depending on the context, the name could relate to various fields such as academia, literature, arts, or other areas.

Fuzzy Cold Dark Matter (FCDM) is a theoretical model in cosmology that seeks to address some challenges associated with cold dark matter (CDM) models, particularly at small scales. In the standard cosmological model, cold dark matter is envisioned as non-relativistic particles that interact only via gravity. Traditional CDM models have been successful in explaining large-scale structures of the universe, such as the distribution of galaxies and galaxy clusters.

Experiments for dark matter search are scientific endeavors aimed at detecting and understanding dark matter, a mysterious form of matter that makes up about 27% of the universe's mass-energy content but does not emit, absorb, or reflect light, making it invisible and detectable only through its gravitational effects. ### Types of Dark Matter Experiments 1. **Direct Detection Experiments**: - These experiments attempt to detect dark matter particles directly interacting with regular matter.

Axion can refer to different concepts depending on the context: 1. **Physics**: In particle physics, an axion is a hypothetical elementary particle that is proposed as a solution to the strong CP (Charge Parity) problem in quantum chromodynamics (QCD). It is a lightweight, neutral particle that could help explain why strong interactions do not seem to violate CP symmetry.

As of my last knowledge update in October 2023, "Axino" could refer to a few different things depending on context. However, it's not widely recognized as a specific term or entity in mainstream discussions. Here are a couple of possibilities: 1. **Axino Technology**: It could refer to a company or product in the technology sector. There are various companies with similar names, so it would be important to have more context to identify which one you're asking about.

A "dark-energy star" is a hypothetical astrophysical object that has been proposed in theories discussing the nature of dark energy, which is thought to be responsible for the accelerated expansion of the universe. In the context of these theories, dark-energy stars are envisioned as stellar objects that can exhibit properties influenced by dark energy, in contrast to ordinary stars that are primarily governed by electromagnetic and gravitational forces. The concept is largely theoretical and may involve exotic physics beyond the Standard Model of cosmology.

whoisxmlapi WHOIS record on April 28, 2011

As of my last knowledge update in October 2023, "Bullet Group" may refer to a few different entities or concepts depending on the context. It's important to clarify your question for accurate information, but potential interpretations include: 1. **Business or Corporate Entity**: There may be a company or organization called Bullet Group operating in various industries, such as marketing, technology, or logistics.

The Calorimetric Electron Telescope (CALET) is a scientific instrument designed to study high-energy cosmic rays, particularly electrons and gamma rays in the energy range from a few GeV (giga-electronvolts) up to several TeV (tera-electronvolts). It was launched to the International Space Station (ISS) in 2015 as part of a collaborative effort involving institutions from Japan, the United States, and Italy.

Cold dark matter (CDM) is a theoretical form of matter that makes up a significant portion of the total mass-energy content of the universe. It is a critical component in the standard model of cosmology, particularly in the context of the Big Bang theory and structure formation. Here are some key points about cold dark matter: 1. **Nature**: CDM is "cold" in the sense that it moves slowly compared to the speed of light and has low thermal velocities.