Beyond second order, previous estimations of spectral response strength in non-Hermitian systems have been surpassed; this ...

A mixed-methods study in two Ghanaian paediatric intensive care units finds that nurses, doctors, and families perceive ...

A new spectrally grounded framework proves that collapsing network connectivity, measured by the Fiedler eigenvalue, is a ...

In statistics measuring the same "poverty," one definition yields 1.1 million people, while another yields 1.8 million. That ...

Schrödinger did not derive his equation from classical mechanics using only mechanical calculations. He connected de ...

Network synchronization researchers at Universitat Rovira i Virgili show that ordinary pairwise networks generate ...

Even with imperfect detectors, qubits can maintain entanglement longer, according to new research on a two-transmon system.

Network synchronization in phase oscillators faces a hidden geometric barrier inside network loops, a new Communications ...

Tweets about algebra, number theory, and miscellaneous math by @JohnDCook.

Robot swarms classify arena shapes by estimating a global spectral signature from information exchanged between robots.

"A common heuristic to choose the *'right'* number of clusters is to make use of the so called *'eigenvalue gap'* (also called spectral gap) (Tibshirani, Walther & Hastie 2001;Bolla\n", "1991; Mohar ...