Pi is an irrational number, and like some irrational people it just goes on and on. What is it with this crazy, crucial ...

“ 说英雄谁是英雄？索末菲帐下众侠，玻恩派门内群英，狄拉克天降孤星。 大道晦涩，自教者明。 ” 摘要 ...

In 1994, a paper published in the journal Diabetes Care appeared to claim the discovery of "Tai's Model", a "mathematical model for the determination of total areas under curves from various metabolic ...

Other unsolved mathematical mysteries are akin to the branches of trees. The trees themselves—fields within the wider subject ...

|作者：曹则贤(中国科学院物理研究所)本文选自《物理》2025年第2期原文题目是“狄拉克：The Eigentutor in the era of quantum mechanics (上) ”“ ...

The song of the chingolo can be heard across South America. But young songbirds were no longer learning the tunes of their ...

Plasma physics is the study of a state of matter comprising charged particles. Plasmas are usually created by heating a gas until the electrons become detached from their parent atom or molecule.

This course is a continuation of high school calculus, but goes deeper into the theoretical foundations and develops the methods further in order to deal with more complicated cases. The course also ...

In the late 19th century, Karl Weierstrass invented a fractal-like function that was decried as nothing less than a “deplorable evil.” In time, it would transform the foundations of mathematics.

The file originally posted on 6.8.18 were replaced in February 2019 to indicate 2019 as ISO publication year. Superseded ...

If not stated otherwise, we assume spin–orbital labels for all operators. For convenience, we summarize our notation in Table 1. We employ the usual diagrammatic representation, (78−80) where dashed ...

Particle physics is the study of the elementary building blocks of matter and radiation and their interaction. The fundamental particles are summarised by the standard model. This includes leptons ...