The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...
Let $R$ be a star-ring and let $R_\dagger$ denote the set of star-regular elements in $R$. It is shown that the relation $a \triangle b$, defined by $aa^\ast a = ab ...
The study of symmetries in black hole spacetimes has provided profound insights into the fundamental dynamics governing these enigmatic astrophysical objects. By identifying both explicit and hidden ...