Schrödinger operators, typically formulated as −Δ + V where Δ denotes the Laplacian and V a potential function, are central to quantum mechanics and spectral theory. A key focus in recent ...

Brushless and brushed motors, as two common types of DC motors, exhibit significant differences in structure, working ...

Scientific American is the authority on science and technology for a general audience, with coverage that explains how research changes our understanding of the world and shapes our lives. First ...

We study the following question: suppose that A and ℬ are two algebras of complex n × n matrices such that the ring commutator [A, B] = AB – BA is "small" for each A ∈ A and B ∈ ℬ; does this imply ...

The Global Electric Commutators Market is expected to grow at more than 5% CAGR from 2019 to 2031. It is expected to reach above USD 5.9 billion by 2031 from USD 3.5 billion in 2019. Exactitude ...