Recent theoretical and observational advances have revitalised the study of black holes endowed with scalar fields. Traditionally, the no‐hair theorem suggested that black holes could be fully ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. To understand how the new research, which was published in September to the preprint database ...

The theory of the representation of wave fields in terms of superpositions of monochromatic plane waves is presented for fields satisfying the inhomogeneous scalar wave equation. The discussion ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Imagine a wave that could achieve faster than light communications; one that could travel through ...

We consider piecewise H¹ functions and vector fields associated with a class of meshes generated by independent refinements and show that they can be effectively analyzed in terms of the number of ...